Horse Pens 40 is a privately owned outdoor nature park located in St. Clair County near Steele, Alabama. The park is situated atop Alabama’s third-highest mountain, Chandler Mountain, in the foothills of The Appalachian Mountains. The park is known among the rock climbing community as a premier bouldering site in the American Southeast. *nature park, opened daily to come out and have a picnic, camp, bookable rustic cabins