Chisel Branch is a primitive, free hiker-biker campsite at mile 30. 5 of the Chesapeake and Ohio Canal towpath, accessible only on foot or by bicycle with a one-night maximum stay.

The site offers basic amenities including a portable toilet, picnic table, and grill, with a water pump available mid-April through mid-November (water is non-potable and requires treatment).

Located near the Potomac River, the campsite is subject to flooding after heavy rains and provides cell service from multiple carriers.