The Deer Mountain Campground is a state park and recreation area in Pittsburg, New Hampshire. It is located five minutes south of the Canadian border.

Situated inside the Connecticut Lakes State Forest, the Deer Mountain Campground is an excellent camping venue offering a wide array of outdoor activities and stunning vistas to its patrons. It boasts of 25-site primitive campgrounds. However, most of the sites are only available by reservation and on first come, first serve basis. The site is known among group campers, mostly for the amount of space that it has to offer.

The Deer Mountain Campground?s season runs from Memorial Day up until Columbus Day. Activities like hiking, fishing, boating, kayaking, canoeing, picnicking, and other winter events can be enjoyed at the site as well.