Plan your leaf peeping adventure at TNC preserves across North America.

Fall in Ohio Fall is a great time to hit the trails and experience nature in Ohio. © Dana-Ohman/TNC

As summer gives way to fall, nature invites us to slow down and notice the changing season. Across North America, forests, wetlands and open landscapes come alive with brilliant shades of gold, orange and crimson, offering opportunities to reconnect with the outdoors and discover something new.

Whether you're planning a scenic road trip, a quiet walk beneath colorful trees or a weekend adventure with family and friends, there are many Nature Conservancy preserves that offer breathtaking opportunities to make the most of this season. 

Use this interactive map to check out TNC preserves where autumn leaves put on an especially spectacular show!

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Baxter's Hollow Preserve
Orange and yellow leaves highlight a section of dense forest.

Baxter's Hollow Preserve

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For leaf peepers, this area's combination of high elevations, deep valleys and open woods creates a formula for fiery reds, oranges and yellows characterizing fall in Wisconsin.

Burnham Brook Preserve
A person stops at a rock outcrop to look out on a forested mountain valley.

Burnham Brook Preserve

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A large, healthy and diverse forest of oak, hickory, beech, birch, maple and conifers shows off impressive foliage each year when fall rolls around.

Dick and Nancy Eales Preserve at Moosic Mountain
A colorful landscape glows in autumn sunlight.

Dick and Nancy Eales Preserve at Moosic Mountain

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While there are 2,250 acres to explore, hiking the Blueberry Trail, preferably at sunset, is recommended for enjoying non-stop views and fall colors of the surrounding valley in all directions.

Green Hills Preserve
A mist emerges in a colorful mountain valley.

Green Hills Preserve

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The preserve protects more than 5,500 acres of forested ridgeline featuring a string of summits and outstanding views of the Presidential Range and Mount Washington, the highest peak in the northeast.

Lennox Woods Preserve
Yellow leaves adorn a stand of tall trees.

Lennox Woods Preserve

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Just a few hours northeast of Dallas, TNC’s Lennox Woods Preserve boasts one of the state’s few remaining examples of pristine, old-growth forests spared from logging unlike most of the surrounding landscape.

Nine Times Preserve
A white and yellow flower blooms from a tree trunk.

Nine Times Preserve

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Considered one of the most biologically significant conservation areas in the southeast, this landscape comes alive during fall when foliage emerges in full view of one of the preserve’s 1.7 miles of hiking trails.

Shady Valley Preserve: Orchard Bog and Quarry Bog
Red berries grow within thick foliage.

Shady Valley Preserve: Orchard Bog and Quarry Bog

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This mosaic of unique habitats is worth exploring no matter the season. In mid- to late October, you will see the fall foliage reach its peak!

Equinox Highlands Natural Area
Fall foliage covers a mountain located near a large body of water.

Equinox Highlands Natural Area

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Fall is the perfect time to take in the beauty of nature at Vermont's Mount Equinox and the surrounding area.

Bear Rocks Preserve
Large rocky outcrops emerge from a forest boasting vibratly colored leaves.

Bear Rocks Preserve

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A diverse and complex ecosystem of windswept heath barrens shows off vibrant colors during fall.

Holly Creek Preserve
A dense forest lines a creek.

Holly Creek Preserve

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Located in North Georgia, TNC's Holly Creek Preserve is adjacent to the Chattahoochee National Forest, which results in spectacular foliage each fall.

Echo Lake Preserve
Red leaves grow on a tree branch growing on a lake.

Echo Lake Preserve

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Autumn is an ideal time to visit TNC's Echo Lake Preserve in Michigan.

Independence Lake
Aspen and evergreen trees in fall.

Independence Lake

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Independence Lake is one of the most pristine alpine lakes west of the Rockies. is one of the most pristine alpine lakes west of the Rockies.

Santa Clara River Preserve
Yellow sycamore leaf.

Santa Clara River Preserve

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The preserve spans nearly two miles of the river and encompasses roughly 1,000 acres of upland habitat and riverbed, providing a beautiful space for outdoor education, community gatherings, wildlife viewing and hiking.

Ramsey Canyon Preserve
Fall colors over bridge.

Ramsey Canyon Preserve

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Each fall, Ramsey Canyon Preserve's towering Arizona sycamores and oak woodlands turn shades of gold and amber, bringing vibrant color to this mountain canyon. The preserve's scenic trails offer a beautiful way to experience autumn in Arizona's Sky Islands.

River Fork Ranch
Yellow house with trees and pond.

River Fork Ranch

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At River Fork Ranch, visitors can explore scenic trails through wetlands, meadows and river corridors where conservation, wildlife and sustainable ranching come together.

Hitz-Rhodehamel Woods
Close up of yellow leaf.

Hitz-Rhodehamel Woods

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Experience the beauty of fall in Indiana's Brown County Hills. Hitz-Rhodehamel Woods is known for its rugged forested ridges, quiet trails and vibrant autumn colors. As oak, hickory and maple trees transform the landscape, visitors can enjoy one of southern Indiana's most scenic woodland escapes.

Big Walnut Preserve
Stream shaded by trees.

Big Walnut Preserve

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Rolling hills, towering hardwoods and deep ravines make Big Walnut Preserve a spectacular fall destination. Follow wooded trails through one of Indiana's most scenic forest landscapes, where brilliant shades of gold, orange and red reflect the changing season along Big Walnut Creek.

Nachusa Grasslands
Autumnal landscape with trees and grass.

Nachusa Grasslands

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Fall paints Nachusa's restored oak savannas and prairies in warm hues of gold, amber and rust. Wander through sweeping grasslands dotted with ancient oaks and discover a landscape where seasonal color, wildlife and conservation come together in one of Illinois' most remarkable natural areas.

Edge of Appalachia Preserve System
Blue skies above forested hills.

Edge of Appalachia Preserve System

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Discover breathtaking fall color across the rolling hills of southern Ohio. The Edge of Appalachia Preserve System features sweeping overlooks, forested ridges and peaceful trails where vibrant autumn foliage highlights one of the most biologically diverse landscapes in the Midwest.

Catherine Wolter Wilderness Area
Moss-covered tree trunks with fall leaf litter on the ground and stream.

Catherine Wolter Wilderness Area

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Explore Wisconsin's Northwoods as autumn colors reflect across wild lakes and quiet forests. Catherine Wolter Wilderness Area offers peaceful trails through a landscape of undeveloped shorelines, wetlands and woodlands, creating a spectacular setting for fall hiking and wildlife watching.

Lulu Lake Preserve
Lake with fall colored trees in the background and grass in foreground.

Lulu Lake Preserve

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Glacial landscapes, oak openings and vibrant wetlands make Lulu Lake Preserve a beautiful place to experience fall. Hike through the southern Kettle Moraine as colorful woodlands and prairies showcase the season while supporting an extraordinary diversity of plants and wildlife.

Nags Head Woods
Woman sits on fishing pier with trees surrounding the pond.

Nags Head Woods

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Escape the beach crowds and discover one of the largest remaining maritime forests on the East Coast. At Nags Head Woods Preserve, winding trails lead through forested dunes, freshwater ponds, marshes and wetlands. In fall, maples, beeches and other hardwoods add vibrant color to this unique Outer Banks landscape.

Grand River Fen Preserve
Staff member with high vis yellow stands in grassy field surrounded by woods.

Grand River Fen Preserve

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Explore the headwaters of Michigan's longest river at Grand River Fen Preserve. This unique fen, fed by calcium-rich groundwater, supports diverse plant and animal life, including rare and threatened species. In fall, woodlands, prairies and wetlands create a colorful landscape that showcases the preserve's remarkable natural diversity.

Ideas for Your Visit

Fall colors may be what first draw you to a preserve, but they're only part of the story. Across the country, autumn is a season of movement and preparation. Songbirds, hawks and waterfowl are making long migrations, while animals like squirrels gather and store acorns for the months ahead. As you explore, take a moment to look beyond the leaves and discover more of what makes these places special.

Click the tiles below for some activity ideas!

Preserve Profiles

Ready to explore? From mountain overlooks and forest trails to prairies and wetlands, these preserves offer some of the best opportunities to experience fall's colors and discover more about the plants, wildlife and landscapes they protect.

A stream flows past a forest with colorful leaves.
Baxter's Hollow Fall foliage reflects in Otter Creek at Baxter's Hollow, TNC's largest preserve in Wisconsin. © Steve S. Meyer

Baxter's Hollow, Wisconsin

This time of year is a great time find your fall groove at a forest sanctuary located in the heart of one of the most ancient rock outcrops in North America. The forest located at TNC’s approximately 6,000-acre Baxter's Hollow Preserve is part of the state’s largest intact southern deciduous forest, a mosaic of oak, hickory, maple, basswood, yellow birch and ash that grows on Baraboo quartzite bluffs dominating this landscape and unique to the Midwest. For leaf peepers, this area's combination of high elevations, deep valleys and open woods creates a formula for fiery reds, oranges and yellows characterizing fall in Wisconsin. Even better, this part of the state also lends itself to scenic drives, apple picking, pumpkin patches and other seasonal activities. Stay up to date on fall color at Travel Wisconsin’s Fall Color Report.  

A person in a wheelchair is surrounded by woods.
Burnham Brook Preserve A visitor uses the all-terrain wheelchair at The Nature Conservancy's Burnham Brook Preserve in Connecticut. © The Nature Conservancy

Burnham Brook Preserve, Connecticut

TNC’s 1,122-acre Burnham Brook Preserve is home to a large, intact forest of oak, hickory, beech, birch, maple and conifers which, together, play a key role in protecting the Eightmile River watershed and supporting abundant wildlife. This healthy and diverse forest also shows off impressive foliage each year when fall rolls around. Visitors can access a good portion of the preserve, including a stunning overlook, via a system of trails that meet a variety of skill and experience levels. In Spring 2025, TNC announced a way that even more nature lovers can visit Burnham Brook with the addition of a new, all-terrain wheelchair, or “track chair.” It’s an exciting development that promises even more opportunities to enjoy fall colors, and all of the seasons, in Connecticut. The preserve also hosts the home (and now preserve office) of Dr. Richard Goodwin, one of TNC’s original founders in 1951.

Moss covered tree trunks among fall leaves on the ground.
Fall Forest Splendor Moss-covered tree trunks among fall leaves on the forest floor around the banks of a stream at the Catherine Wolter Wilderness Area Preserve. © Randy Urry

Catherine Wolter Wilderness Area, Wisconsin

Located between Presque Isle and Boulder Junction in Wisconsin’s Northwoods, Catherine Wolter Wilderness Area protects nearly 10 miles of undeveloped shoreline surrounding 15 wild lakes and ponds. In autumn, colorful forests reflect across the preserve’s waters, creating a beautiful setting for hiking, birding and enjoying fall color.

The preserve provides habitat for diverse fish, wildlife and native plants while helping connect larger protected forest landscapes in Wisconsin and Michigan. From spectacular birding to peaceful lakeside views, visitors can experience the beauty and solitude of the Northwoods throughout the changing seasons.

A dirt path winds through a wooded area at sunset.
Dick and Nancy Eales Preserve TNC's Dick and Nancy Eales Preserve at Moosic Mountain is an ideal place to go birding, hiking and mountain biking during fall. © Melissa Soysal/TNC

Dick and Nancy Eales Preserve at Moosic Mountain, Pennsylvania

TNC’s Dick & Nancy Eales Preserve at Moosic Mountain is so popular during the fall, that it has become a destination for engagement shoots, family portraits and local media influencers. Don’t let that deter you. People are discovering the Eales Preserve because it is unique. Easily accessible from nearby population hubs such as Philadelphia, the state capital of Harrisburg and (for lovers of The Office) Scranton, Pennsylvania, this preserve features a broad ridgetop of bedrock slabs and boulders interspersed with vast meadows and unique, fire-dependent heath barrens of stunted pine and oak forest dominated by huckleberry, blueberry, rhodora and other low-lying shrubs. While there are 2,250 acres to explore, hiking the Blueberry Trail, preferably at sunset, is recommended for enjoying non-stop views and fall colors of the surrounding valley in all directions. 

A blue sky is a backdrop for colorful leaves on a tall tree.
Edge of Appalachia Oak trees are a keystone species in Ohio forests, including at The Nature Conservancy's Edge of Appalachia Preserve System. © Running Wild Media

Edge of Appalachia Preserve System, Ohio

TNC’s Richard and Lucile Durrell Edge of Appalachia Preserve System, better known by Ohioans as “The Edge,” encompasses over 21,000 acres in the foothills of the Appalachian Mountains. During the fall season in Ohio, this collection of nature preserves shows off spectacular colors as forests become ablaze with hues of deep russet, burgundy and amber while goldenrod, ironweed, field thistle and aster cover the prairies. The best place to take in the full palette is atop the Buzzardroost Rock, considered by many the most amazing view in the state. Another option for great leaf peeping is the Charles A. Eulett Wilderness Preserve, which offers a 2.4-mile loop trail that leads deep into the woods as green leaves transform into bright autumnal colors. 

Grassy meadow surrounded by trees, some in fall colors.

Grand River Fen Preserve, Michigan

Located in southern Michigan, Grand River Fen Preserve protects the headwaters of the Grand River, the state's longest river. Established by The Nature Conservancy in 1996, the 627-acre preserve features a rare fen ecosystem, along with woodlands and prairies that create a diverse and beautiful landscape. During autumn, colorful forests and open habitats highlight the preserve's unique blend of wetlands and uplands.

The preserve's fen is fed by calcium-rich groundwater, making it less acidic and more nutrient-rich than a bog and allowing it to support an exceptional variety of plants and wildlife. Grand River Fen is home to many rare and threatened species, including one of the last remaining populations of the endangered Mitchell's satyr butterfly. Visitors can explore the preserve's trails while discovering how its wetlands help filter and protect the headwaters of the Grand River for both people and nature.

Thin clouds frame mountains and a forested valley.
Green Hills Preserve The Nature Conservancy's Green Hills Preserve features views of New Hampshire's Mount Washington Valley. © Joe Klementovich

Green Hills Preserve, New Hampshire

Visitors looking for fall foliage will not be disappointed upon visiting TNC’s Green Hills Preserve. The preserve protects more than 5,500 acres of forested ridgeline featuring a string of summits and outstanding views of the Presidential Range and Mount Washington, the highest peak in the northeast. TNC, the Town of Conway and the State of New Hampshire have partnered to protect much of this land (combined, nearly 9,000 acres) for public benefit. But that’s not all. The Green Hills are part of an even more ambitious initiative to conserve and connect the 80-million-acre Northern Appalachians region, which represents the largest intact example of temperate forest in the Western Hemisphere. Check out the preserve’s trail map and pick your autumn adventure. 

Close up of yellow leaf on tree.
Hitz-Rhodehamel Woods Autumn at Hitz-Rhodehamel Woods in Brown County, Indiana © Fauna Creative

Hitz-Rhodehamel Woods, Indiana

Located in Indiana's Brown County Hills, Hitz-Rhodehamel Woods spans ridge tops, ravines and upland forests in one of the state's largest connected forest landscapes. The preserve is known for its scenic hiking opportunities, spring wildflowers and stunning fall colors, when chestnut oak and white oak forests transform the hillsides with vibrant autumn foliage.

Part of a region that resembles pre-European Indiana more than almost anywhere else in the state, the preserve supports a rich diversity of plants and wildlife. Visitors can experience the beauty of this forested landscape while learning about TNC's work to protect and steward the Brown County Hills for future generations.

Tall trees with yellow leaves form a tree canopy in a forest.
Independence Lake Forest Reflection Independence Lake Preserve near Reno, NV © Simon Williams/The Nature Conservancy

Independence Lake, California

Independence Lake is one of the most pristine alpine lakes west of the Rockies. About 1,000 feet higher than Lake Tahoe and one hour north from Truckee, but feels like a world away since it is so private and remote. Since protecting the lake in 2010, TNC has been committed to stewarding this cherished destination for nature lovers. The lake and surrounding alpine forests offer exceptional recreation, including hiking, fishing, kayaking and bird watching in the beautiful Sierra Nevada. 

From beneath the lake’s surface to the surrounding pine forest, this spectacular mountain sanctuary supports an array of rare, native wildlife including the Lahontan cutthroat trout, the willow flycatcher, the mountain yellow-legged frog and the Sierra Nevada mountain beaver. Black bears, mountain lions, eagles and ospreys roam the forests and shorelines of Independence Lake, an important source of drinking water for the people of Reno, Nevada—a thriving community of 250,000 people. 

Tall trees with yellow leaves form a tree canopy in a forest.
Lennox Woods Preserve The Nature Conservancy's Lennox Woods Preserve boasts vibrant colors in the fall. © R.J. Hinkle

Lennox Woods Preserve, Texas

You don’t need to travel far from Texas’ second largest city to find fall foliage. Just a few hours northeast of Dallas, TNC’s Lennox Woods Preserve boasts one of the state’s few remaining examples of pristine, old-growth forests spared from logging unlike most of the surrounding landscape. Owned and maintained by the Lennox Family for four generations since 1863, this 1,335-acre TNC property supports towering mature oaks, maples, sweetgum and hickories that make it a perfect destination for leaf peepers when autumn rolls around. And lucky for them, the preserve is open to the public and includes the 1.5-mile Martha Lennox Memorial Nature Trail, which loops through the forest to provide visitors with spectacular views of vibrant fall colors. 

Lake with forest in fall colors.
Lulu Lake Located in the Mukwonago River watershed, Lulu Lake Preserve is home to wetlands, oak openings and rare fish and mussels. © Clint Farlinger

Lulu Lake Preserve, Wisconsin

Located in Wisconsin’s Southern Kettle Moraine, Lulu Lake Preserve is home to wetlands, oak openings and a glacial kettle lake surrounded by diverse natural communities. In fall, colorful woodlands and restored habitats create a vibrant backdrop for exploring one of the state’s highest-quality natural areas.

The preserve’s streams, wetlands and oak openings provide habitat for rare fish, mussels and many native plants and animals. Ongoing restoration efforts help maintain these rare habitats while supporting scientific research and conservation. Visitors can enjoy scenic views, seasonal color and a remarkable diversity of life throughout the preserve.

Bison herd in fall colors.
Autumn on the Prairie Bison roam Nachusa Grassland's prairies all year-round. © The Nature Conservancy

Nachusa Grasslands, Illinois

Located in north-central Illinois near Franklin Grove, Nachusa Grasslands protects more than 4,000 acres of prairie, savanna, wetlands, streams and working lands. In autumn, the preserve's oak savannas glow with shades of orange and red while native grasses add warm color across the rolling landscape. 

Nachusa is home to high-quality remnant communities, re-created prairies of exceptional diversity and a herd of bison. Decades of restoration work have helped reconnect a landscape that provides habitat for hundreds of native plant and bird species. Visitors can enjoy hiking, birdwatching and expansive views across one of Illinois' most celebrated conservation landscapes.

Woman walks on trail surrounded by fall foilage.
Autumn Hiking along a trail in fall color. © Ben Herndon

Nags Head Woods Preserve, North Carolina

Located on North Carolina’s Outer Banks, Nags Head Woods Preserve protects one of the largest remaining maritime forests on the East Coast. Shaded trails wind through wooded dunes, ponds and marshes, offering a peaceful contrast to the nearby beaches. In fall, the preserve’s maples, beeches and other hardwoods bring vibrant color to this coastal landscape.

The preserve supports a remarkable variety of habitats and wildlife, including more than 150 bird species. Visitors can explore eight trails, enjoy scenic overlooks and discover how this unique maritime forest provides refuge for plants and animals in a landscape shaped by both land and sea.

Trees adorned with colorful autumn leaves cover a mountain valley.
Nine Times Preserve The Nature Conservancy's Nine Times Preserve is located where South Carolina's Piedmont region intersects with the Southern Blue Ridge Mountains. © Margaret Fields/TNC

Nine Times Preserve, South Carolina

In South Carolina’s Piedmont region, at the intersection of the Blue Ridge Mountains, TNC’s Nine Times Preserve packs five mountains and seven distinct forest types into a small-but-mighty 560-acre property. Considered one of the most biologically significant conservation areas in the southeast, this landscape comes alive during fall when foliage emerges in full view of one of the preserve’s 1.7 miles of hiking trails. Local lore has it that travelers between nearby Cherokee towns had to cross a two-mile-long tributary of the Little Eastatoee River nine different times in order to stay on the path. This tributary is now known as Nine Times Creek. The preserve is also well known for its wildflowers, with 134 species documented there to date. While visitors might see a few autumn flowers, a spring visit is also highly recommended! 

Trees with fall foilage arond trail.
Fall colors along the trail in Ramsey Canyon Fall colors along the trail in Ramsey Canyon © Marlena Lopez

Ramsey Canyon Preserve, Arizona

Each fall, Ramsey Canyon Preserve's towering Arizona sycamores and oak woodlands turn shades of gold and amber, bringing vibrant color to this mountain canyon. The preserve's scenic trails offer a beautiful way to experience autumn.

Ramsey Canyon Preserve sits within Arizona's Sky Islands, an extraordinary landscape where the Rocky Mountains, the Sierra Madre of Mexico and the Sonoran and Chihuahuan deserts converge. This ecological crossroads supports an exceptional diversity of plants and wildlife, from pine forests and grasslands to shaded canyon habitats found nowhere else in the region.

Fed by a perennial stream, Ramsey Canyon offers a cool, lush retreat where towering sycamores, maples and wildflowers thrive alongside iconic desert plants like agave and yucca. Visitors can explore scenic trails, experience vibrant fall color and discover one of the Southwest's most remarkable natural landscapes.

River meanders with trees with yellow foilage and mountains in the background.
River Fork Ranch Fall colors at River Fork Ranch in Nevada. © Chip Carroon

River Fork Ranch, Nevada

River Fork Ranch sits at the confluence of the East and West Forks of the Carson River near Genoa, Nevada, where more than 800 acres of protected floodplain, wetlands, meadows and riparian habitat support a remarkable diversity of wildlife, including bald eagles, sandhill cranes, monarch butterflies and mule deer. The preserve is also a working cattle ranch, demonstrating how conservation and agriculture can thrive together.

Over the past two decades, The Nature Conservancy has restored wetlands, meadows and river corridors across the ranch, helping reconnect the Carson River to its floodplain and improve habitat for wildlife. Visitors can explore trails through this scenic landscape to experience the preserve's ongoing restoration work and the seasonal beauty of the Carson Valley. 

In autumn, cottonwoods lining the Carson River add vibrant color to the preserve's patchwork of wetlands and meadows, creating a striking backdrop for wildlife viewing, photography and exploring one of Nevada's most ecologically important river landscapes.

Yellow sycamore leaf.
Sycamore Leaf As autumn arrives, Santa Clara River Preserve comes alive with the warm yellows and golds of cottonwoods and sycamores lining the river. © The Nature Conservancy

Santa Clara River Preserve, California

At Santa Clara River Preserve, the golden leaves of Fremont cottonwoods and California sycamores bring vibrant color to the river corridor each fall. These native trees transform the landscape, creating a striking contrast against the preserve's rugged mountains and open floodplain.

Up until recently, there have been few locations accessible to the public along this dynamic waterway just an hour north of Los Angeles. But that has all changed with the opening of the Santa Clara River Preserve in January 2024. The preserve spans nearly two miles of the river and encompasses roughly 1,000 acres of upland habitat and riverbed, providing a beautiful space for outdoor education, community gatherings, wildlife viewing and hiking.

Join one of our monthly guided nature hikes along the Santa Clara River. These hikes are led by a professional naturalist and educator, who will teach you about the local flora and fauna of the Santa Clara River. This is a great opportunity to connect with other nature enthusiasts and with nature!

Green leaves surround big red berries.
Cranberries Wetlands in Tennessee's Shady Valley, one of only two places in Tennessee where American cranberries grow naturally, are showcased during an annual fall festival. © The Nature Conservancy

Shady Valley: Orchard Bog and Quarry Bog

Located in East Tennessee near the Great Smoky Mountains, Orchard Bog and Quarry Bog offer a glimpse into one of the region's most unusual landscapes, where rare mountain wetlands sit among forests that glow with brilliant shades of gold, orange and red each fall. Part of the Shady Valley landscape, these preserves protect remnants of an ancient ecosystem shaped by cool temperatures and unique geological conditions that have persisted since the last Ice Age.

The bogs support rare sphagnum wetlands and are home to an impressive variety of plants and wildlife, including naturally occurring American cranberry, which grows in only a handful of locations in Tennessee. These distinctive habitats also provide refuge for species such as the federally threatened southern bog turtle and many other wetland-dependent plants and animals.

During autumn, the preserves' colorful forests and unique bog communities create a memorable backdrop for exploring one of Tennessee's hidden ecological treasures. Visitors can learn more about the area's natural history during Shady Valley's annual Cranberry Festival, when TNC offers guided tours that highlight the remarkable conservation value of these rare mountain wetlands.

More Resources

Close up of leaf with orange and red coloration with water drops on it.
Flaming Oaks Oak leaves extend the fall foliage season into November. © Russell Laman

Why do leaves change? 

Did you ever wonder about the science behind changing leaves? We have chlorophyll to thank for the primary color that we associate with trees: green. This dominant pigment results from the process of photosynthesis, where trees convert sunlight into sugar for energy. The diminishing sunlight that comes with shorter days as summer transitions into fall slows down that process. The green chlorophyll begins to break down, leaving room for less dominant pigments to emerge – reds, golds, oranges, purples – while trees conserve and consolidate energy in preparation for winter. Eventually the trees release their leaves and enter dormancy until more light returns in spring.

Cool Green Science

The Nature Conservancy's Cool Green Science team has additional resources for fall adventures!

  1. Want even more fall foliage facts? Check out their blog post: Fall Foliage: When, Why & How Vibrant Will Maple Leaves Be?
  2. Concerned about the leaves in your yard? Learn why native insects would love if you would leave the leaves. 
  3. Looking for even more outdoor adventures this fall? It's a great time of year to be outside and see these eight natural spectacles to enjoy.
A collectoin of brown, orange and yellow leaves are scattered along a log.
Autumn Leaves Autumn leaves fall in the Chattahoochie National Forest in North Georgia. © Byron Jorjorian