Castlewood State Park Hike

The Castlewood State Park is a public recreation area occupying 1,818 acres (736 ha) that straddle the Meramec River in St. Louis County, Missouri. The most visited section of the state park lies on the north side of the Meramec; the park acreage on the south side of the river is accessed from Lone Elk County Park and includes the World Bird Sanctuary.

Keifer Creek is a stream in St. Louis County in the U.S. state of Missouri. It is a tributary of the Meramec River.A variant spelling was "Keefer Creek". The creek has the name of the local Keefer family.