7th annual Keystone Arch Bridges Trail Group Hike fall splendor! We toured all 6 arches, double, girder, 65 ft, 70 ft, #6, the gator plus all the history along the way the old stagecoach inn, the cut, signal posts, quarry, pontoosuc turnpike, babcock brook falls. Special thank you to Dave Pierce narration of the entire hike! Catch the encore 10-31! #hikethehilltowns #keystonearches www.westernmasshilltownhikers.com www.keystonearches.com #westernmasshilltownhikers