Sioux Passage Park
17930 Old Jamestown Rd
Florissant, MO 63034
314-615-4386 (St. Louis County Parks)
Amenities: 188 acres of parkland; 5 primitive tent camping only, water and restrooms are available, no electric; fishing on the Missouri River, boat ramp; hiking and horseback riding trails; 2 disc golf courses; 3 picnic shelters with electric, water, barbecue pits and seasonal restrooms; 2 picnic sites; 2 playgrounds, one year-round restroom; tennis courts; basketball court; Sioux Passage park is a designated winter sports area with snowmobiling, sled riding and cross-country skiing permitted.