Places We Protect

A river curves around a lush green marsh abundant in tall green grass.
Milford Neck Preserve View of the marsh at the preserve along the Delaware Bay. © John Hinkson / TNC

Thanks to your help, we have protected more than 30,000 critical acres across Delaware since 1990.

In addition to providing healthy and resilient habitats for a wide variety of wildlife, The Nature Conservancy's preserves in Delaware are the perfect destinations to enjoy the outdoors. Whether you’re looking to spot migratory birds, walk through coastal hardwood forests, or take your kayak along the Broadkill River, one of our public preserves has you covered!

Public Preserves

A metal floating dock sits on a river surrounded by lush green trees.
Broadkill River Floating dock at TNC’s Edward H. McCabe Preserve. © TNC

Milton, DE

Edward H. McCabe Preserve

The Edward H. McCabe Preserve offers opportunities to observe a wide range of Delaware's ecosystems, including tidal marshes, upland forests and Atlantic white cedar swamps. With several miles of hiking trails, a public boat launch and wildlife sightings, this preserve is well worth the visit. Explore McCabe Preserve.

Several white downturned flowers hang off of a branch with green leaves.
Highbush Blueberry Highbush blueberry at Ponders Tract in Delaware. © John Hinkson

Milton, DE

Ponders Tract at Pemberton Forest

The Ponders Tract trail system is a publicly accessible natural area within our Pemberton Forest Preserve. Ponders Tract features over nine miles of trails, perfect for trail running and walking, as well as the site of a coastal hardwood forest restoration area. Explore Ponders Tract.

Become a Volunteer Monitorer

You can help us protect nature!

  • Factsheet explaining how to use the PA/DE preserve monitoring app. Instructions are shown in text and graphics. A QR code in the upper right corner allows users to download the app.

    Preserve Monitoring

    We need volunteers to help us monitor our public preserves. Monitors can use an app to log information and keep us informed of new issues like downed trees across the trails or other maintenance needs. Learn more by downloading the form.


Other TNC Managed Preserves in Delaware

  • Flat, open water is visible in the distance across a wide marsh. The foreground is dominated by tall green grasses.

    Bullseye-Ferry Landing Preserve

    Sitting along the Indian River in southeastern Sussex County, Bullseye-Ferry Landing is a mosaic of diverse living communities. Learn More About Bullseye Ferry Landing Preserve

  • A view of a grassy field with tall green and pink grasses sits in front of a tree line in the distance.

    Middleford North Preserve

    Middleford North is located just upstream from Seaford, where the main stem of the Nanticoke River meanders through riparian forest and lush freshwater wetlands. Learn More About Middleford North Preserve

  • Sunset over the ocean. The sun hangs suspended just above the water, partially obscured by a large white cloud. Clumps of grasses line the beach in the foreground.

    Milford Neck Preserve

    With miles of undeveloped beaches and dunes, vast tidal marshlands, swamp and upland forests and a patchwork of agricultural lands, the Milford Neck offers natural beauty and biological diversity. Learn More About Milford Neck Preserve

  • A view from the forest floor toward to sky of several tall pine trees against a bright blue sky.

    Pemberton Forest Preserve

    Pemberton Forest provides unbroken forest needed by migrating birds and wide-ranging species. The 908-acre Ponders Tract is open to the public, while the Pemberton Tract is not. Learn More About Pemberton Forest Preserve

  • Pools of water in a low, boggy swamp area. Ferns sprout up at the edge of the pools. Fallen leaves float in the water.

    Sowbridge Branch Preserve

    This 1.12 acre parcel was donated by the Greenly family in 1990 to become TNC's first preserve in Delaware. The site is dominated by Atlantic white cedar swamplands and bog like habitats.

Partnerships in Protection

Explore some additional public preserves TNC has had a hand in protecting.