In the White Mountains National Forest, a hut is a fully enclosed lodge with running water, wood stove heating, and other amenities. The Appalachian Mountain Club requires reservations and fees to stay in the huts, but often grants thru-hikers a work-for-stay option.
Example: “I washed the dishes at Galehead Hut in exchange for a free breakfast.”
Fun Fact: Benton McKaye, who spearheaded the creation of the Appalachian Trail alongside Myron Avery, envisioned that lodges similar the White Mountain huts would be built along the entire AT. His vision for the AT was less remote and more of a tourist destination.
Keep reading: https://www.outdoors.org/lodging/huts/