- This is an official Web site of the Pennsylvania Bureau of State Parks. Begin your adventure here. - Perched on a mountaintop and surrounded by Buchanan State Forest, Cowans Gap is a scenic place for a quiet getaway. Many park facilities, including the lake, picnic shelters, cabins and roads were constructed by the Civilian Conservation Corps in the 1930s. The cabin colony is on the National ...www.dcnr.state.pa.us/stateparks/parks/cowansgap.htm