The Thunderbolt Ski trail on Mount Greylock is one of Eastern Mountain Sports Hadley’s favorite trails. The trail was constructed by the Civilian Conservation Corps (CCC) in 1934. It was used for a while in that capacity, but due to a lack of snow and lift service the trail is now for hikers, alpine touring and telemark skiers.
From the trailhead at the end of Theil Rd, find the blue blazed trail leaving the dirt parking lot. As it winds its way up the very steep side of Mount Greylock, it will cross a few wood roads. At mile 1.6, the Thunderbolt meets up with the Appalachian Trail. Continue south on the AT for 0.4 miles to the summit monument of Greylock. As of fall of 2008 the road to the top of Greylock is closed for repaving until 2009. This is the time to go so you can have the whole summit to yourself.
Plan on 4.5 hours round trip.
From the Mckinley Monument in Adams, follow Maple St. to West Rd. Turn left and in 0.4 miles turn right onto Gould Rd. At an intersection bear right on the unmarked Theil Rd. Park in the day use lot at the end of the road.
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