Meramec State Park 
115 Meramec Park Drive
Sullivan, MO 63080
573-468-6072
https://mostateparks.com/park/meramec-state-park
State Park: Birding, Camp, Caving, Fish, Hike, Picnic, Walk, Water Sports
This popular 6,896-acre park offers year-round access to camping, picnicking and trails. Guided tours of Fisher Cave, one of more than 40 caves in the park, are provided on a seasonal basis for a nominal fee. Water enthusiasts will enjoy swimming, fishing, rafting and canoeing in the Meramec River. Weekdays offer substantially more solitude than weekends.