W. Marsh is a water-accessible authorized campsite in the Allagash Wilderness Waterway area of Allagash Wilderness Waterway. The site offers 1 fire ring, 1 picnic table, and 1 privy.
The Allagash Wilderness Waterway is a 92-mile corridor of lakes, ponds, rivers, and streams designated as a National Wild and Scenic River. All 84 campsites are water-access only.