This stone shelter on the summit of Mount Everett in Massachusetts is located just off the Appalachian Trail, but is regularly visited by hikers. It is a stone-sided lean-to popular with day hikers.
Appalachian Trail Conservancy Archives. Used with permission.
Michael Warren, “Shelter on Mount Everett (1955),” Appalachian Trail Histories, accessed April 23, 2019, http://appalachiantrailhistory.org/items/show/702.