Cassells-Boykin County Park provides an excellent year round access to the northern part of Lake Sam Rayburn, which is noted for excellent fishing. Boating, Skiing, and other water related activities also are quite popular.
Facilities include 27 campsites, 10 are paved multi-use sites and 17 are tent or picnic sites. 17 sites have water and electricity. There are two restrooms in the park but no showers are available. A boat ramp and trailer dump station is available.