The Fulton Chain Trifecta is a hiking challenge near Old Forge, NY. The challenge consists of 3 mountains, Bald, Rocky, and Black Bear. Black Bear Mountain is the tallest at 2454ft. Read more here: http://www.fultonchaintrifecta.com/
The peaks can be done in any order. Black Bear and Rocky share a trailhead, but Bald is 6 miles down the road. Driving time between trailheads is counted towards the total time (but please don't speed!).
The route starts at the first trail register and ends at the last trail register. As an added detail you must ascend the fire tower on Bald.