Duncan Narrows Campground is located in the narrows of Duncan Bay on the northeast end of Isle Royale National Park. Boats can stay overnight at dock. Stay Limit: 3 nights from June 1 – Labor Day annually. Shelters: 2 Depth at dock (normal conditions): 6’. Access: Canoe/kayak/private boat
Source: rec_gov · last verified 2026-05-19