Places We Protect


Since 1986, the Conservancy has worked to conserve Oklahoma’s magnificent landscapes and unique biodiversity totaling nearly 100,000 acres.

Preserves Open to the Public
Hiking IconAccess is limited. No camping, off-roading, hunting, or fishing. See individual preserve information for complete visitor rules.

Black Mesa Preserve consists of about 1,600 acres of central shortgrass prairie.

J. T. Nickel Family Nature and Wildlife Preserve protects 17,000 acres of the Oklahoma Ozarks.

Joseph H. Williams Tallgrass Prairie Preserve is the largest protected remnant of tallgrass prairie on earth.

Keystone Ancient Forest Preserve protects post oaks and redcedars that are hundreds of years old.
Preserves With Limited Access

Restricted Access IconAccess is limited to personnel and is open for public visitation during events hosted by The Nature Conservancy such as our field trips.

Boehler Seeps and Sandhills Preserve is a prime example of a gulf coastal plain sandhill ecosystem.

Cucumber Creek Preserve in the Ouachita Mountains was created in 1989 to benefit neotropical migrant birds.

Four Canyon Preserve encompasses 4,000 acres of mixed-grass prairie.

Pontotoc Ridge Preserve is the Oklahoma Chapter's premier crosstimbers property.
Hottonia Bottoms Preserve is one of the most biologically rich natural systems in Oklahoma and home to the rare aquatic wildflower Hottonia inflata.

Oka’ Yanahli Preserve is along one-mile of the Blue River, an iconic symbol of natural beauty and a precious resource for life and economic development in southern Oklahoma, a resource worth protecting and preserving.

Limestone caves in the Ozarks are home to sensitive habitat for rare bats and aquatic species.

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