Caswell Memorial State Park is located along the Stanislaus River near the town of Ripon. The park is home to several endangered animal species and the declining riparian oak woodland. Native Americans lived along the river here among the ancient groves. The park is named after Thomas Caswell who owned and donated the land to the people of California. It became a State Park in 1958. Outdoor recreation includes fishing, canoeing/kayaking, biking, hiking, swimming and wildlife viewing.
Caswell Memorial State Park campground has 64 campsites with paved pads, a table, fire ring and grill. The campground is located in a wooded area with most sites having nice shade. The maximum trailer/RV size is 24 feet.