Castlewood State Park in the state of Missouri is an ideal motorhome camping trip location. Spanning Meramec River, the park is in the town of Ballwin. Scenically located in the lush green Meramec Valley, the state park is popular with outdoor enthusiasts from different parts of the state. Not too far from Castlewood State Park is the city of Chesterfield, and renting an RV will make it easy to travel here. Book an RV rental in St. Louis County to discover everything in the areas around Castlewood State Park.
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