Great Salt Plains State Park is a 840-acre (3.4 km²) Oklahoma state park located in Alfalfa County, Oklahoma. It is located 5.5 miles (8.9 km) north of Jet, Oklahoma on SH-38. Recreational opportunities at Great Salt Plains State Park include boating, camping, picnicking, swimming, hiking, mountain biking and exploring. The Great Salt Plains Lake is located at the park and covers 8,690 acres (35.2 km²) with 41 miles (66 km) of shoreline and is a shallow, salty lake with fishing opportunities for catfish, saugeye, sandbass and hybrid striper. Personal watercraft are not recommended. The park has RV and tent sites, comfort stations with showers, cabins, picnic sites, group shelters, swimming beach, playgrounds, boat ramps, fishing dock and equestrian trails. Horse rental is not available.