Castlewood State Park offers extensive hiking, mountain biking, and scenic river access on the Meramec River within the St. Louis metropolitan area, making it a popular outdoor destination with rugged bluffs and forests.
Located in St. Louis County, Missouri, Castlewood State Park spans over 1,800 acres along the Meramec River. The park features steep sandstone bluffs, wooded hills, and river access points that attract visitors for a variety of outdoor activities. The park's diverse landscape supports oak-hickory forests, mixed woodlands, and riparian habitats that provide shelter for deer, wild turkeys, and numerous bird species. Historically, the land was used for agriculture and later developed into a recreational area, officially established as a state park in 1974. Castlewood is especially recognized for its rugged terrain, which challenges mountain bikers and hikers alike on more than 25 miles of multi-use trails. The park also offers fishing opportunities in the Meramec River, as well as seasonal swimming at favored river spots. Landmarks include the high bluffs overlooking the river, scenic overlooks such as Round Mountain, and remnants of old rock quarries. Its proximity to the St. Louis metropolitan area makes it one of the more accessible natural getaway locations in eastern Missouri. The park provides an engaging outdoor experience with well-marked trails, picnic areas, and ample opportunities for wildlife viewing. The blend of river, forest, and bluff landscapes contributes to its appeal for both casual visitors and outdoor enthusiasts seeking adventure near the city.
Round Mountain Scenic Overlook with panoramic views of the Meramec River valley
Diverse oak-hickory forest ecosystem supporting abundant wildlife
Extensive mountain biking trails ranging from beginner to expert
Meramec River access points for fishing, swimming, and paddling
A high bluff providing sweeping views of the Meramec River and surrounding forests.
A central natural feature of the park offering recreational opportunities such as fishing, swimming, and kayaking.
More than 20 miles of maintained trails designed for various skill levels with rugged terrain and scenic woodland.