Choke Canyon State Park, consisting of two units, South Shore and Calliham, is located on 26,000-acre Choke Canyon Reservoir, a water supply for Corpus Christi.

The South Shore Unit is a day-use only park (6 a.m.-10 p.m.) and offers boating, fishing, picnicking, wildlife viewing and birding. The Calliham Unit offers camping, picnicking, boating, hiking, wildlife viewing, birding, fishing, lake beach and softball and volleyball areas. Seasonal guided bird walks are conducted on scheduled days.