Umbagog Lake State Park is one of the more recently acquired parks in the state system. The Division began managing the park in 1998. The park includes a base park campground with 27 sites with electrical and water hook-ups available, three cabins, 33 remote campsites, and 4 remote cabins in isolated locations around Umbagog Lake accessible only by boat.

The park offers a beach area for swimming, excellent fishing, wildlife viewing, and boating. Canoe, kayak, and rowboat rentals are offered, as well as transportation for remote site campers. A boat launch and fuel sales are available, as well as a park store. Wildlife viewing includes a variety of birds, deer, and moose.