Woodstock is a town in Grafton County, New Hampshire, United States. Woodstock includes the village of North Woodstock, the commercial center. Its extensive land area is largely forested, and includes the Hubbard Brook Experimental Forest. Parts of the White Mountain National Forest are in the east and west. The Appalachian Trail crosses the town's northwest corner. Russell Pond Campground is in the east. West of North Woodstock is the Lost River Reservation. The Hubbard Brook Experimental Forest, an outdoor laboratory for ecological studies founded by the United States Forest Service in 1955, is located in the southern part of town.