Castor River Shut-Ins
Castor Rivers Shut-In natural area is located near Fredericktown, MO. This is Missouri’s only known pink granite shut-in. A fairly easy hike leads you to the shut-ins which are easy to climb around on regardless of the water level.
Link to the MO Dept. of Conservation website (Link)
– 10/26/14 Castor River and Meramec Park (St. James and Sullivan MO)