Highland and Glen Leigh Trails at Ricketts Glen State Park, PA Cello's Corner 13 years ago May 2012 3.2 miles on Highland Trail and the Glen Leigh and Ganoga Glen sides of the trail. We saw 21 AMAZING waterfalls ranging in heights from 11 feet to 94 feet! Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook