Turnbull National Wildlife Refuge, National wildlife refuge in Spokane County, United States.

Turnbull National Wildlife Refuge is a nature reserve in the Channeled Scablands landscape, featuring basalt outcrops, canyons, ponderosa pine forests, and numerous wetland areas spread across the property. The terrain combines rocky formations with forested sections and water bodies that create different habitats throughout the site.

The refuge was established in 1937 by an Executive Order of President Franklin D. Roosevelt to provide breeding and nesting grounds for migratory birds and other wildlife. It is named for Cyrus Turnbull, who lived on the site in the 1880s. Its 3,036 acres of wetlands are among the last quality waterfowl breeding habitat in eastern Washington.

The refuge is named for Cyrus Turnbull, who lived on the site in the 1880s. The Pine Lake Loop Trail, designated a National Recreation Trail in 2006, lets visitors walk 1.25 miles along Winslow Pool and around Pine Lake.

The Columbia Plateau Trail provides access to the refuge. The Pine Lake Loop Trail, designated a National Recreation Trail in 2006, offers 1.25 miles (2 km) of wheelchair-accessible hiking along Winslow Pool and around Pine Lake.

The site contains extensive wetlands that serve as breeding grounds for waterfowl species facing population pressures across much of North America. These wetlands function as refuge areas where certain bird species find conditions needed for reproduction and survival.