Pennsylvania State Parks:
Doubling Gap Creek bends by trees and gnarled roots at Colonel Denning State Park, Pennsylvania.
Pennsylvania State Parks:
A mother merganzer and her nine chicks swim in Doubling Gap Lake at Colonel Denning State Park, Pennsylvania.
Pennsylvania State Parks:
Visitors cross the spillway of Doubling Gap Lake at Colonel Denning State Park, Pennsylvania.
Pennsylvania State Parks:
Three ghostly indian pipes flower by Doubling Gap Creek at Colonel Denning State Park, Pennsylvania.
Pennsylvania State Parks:
Life's a beach at Colonel Denning, Pennsylvania State Parks