Pin Oak Reservoir is in the Beech River watershed in west Tennessee. The dam is one of eight small dams located on the Beech River and its tributaries.
Pin Oak is one of eight reservoirs that provide flood damage reduction, recreation and water supply in the Beech River watershed in West Tennessee. The others are Beech, Cedar, Dogwood, Lost Creek, Pine, Redbud and Sycamore.
Pin Oak Reservoir and its adjoining land are part of the Natchez Trace State Park. All of the Beech River reservoirs are open to the public, providing opportunities for boating, swimming and fishing. The adjacent lands are enjoyed by backpackers and hikers.
Programs in the Beech River area for upland game management, restocking fish populations, constructing underwater fish attractors and enhancing the habitat for resident Canada geese to ensure the quality and future of the outdoor experience.