National Park Service · Michigan
Duncan Narrows Campground
National Park Service · Michigan, United States · in Isle Royale National Park
- Sites
- 3
- Drinking water
- No
- Restrooms
- Yes
- Showers
- No
- Dump station
- No
- Laundry
- No
- Elevation
- 594 ft
- Dark sky
- Bortle class 1
- Cell coverage
- T-Mobile none · AT&T none · Verizon none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Lake
- Isle Royale National Park
- Nearest town
- Houghton
- Address
- 800 E. Lakeshore Drive, Houghton, MI, 49931
- Phone
- (906) 482-0984
About
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
Fees
Small-party Camping (6 people or less): free. No fee for small-party camping. A free overnight permit is required.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 24° | 14° | -7° | 37° | 11 of 11 |
| February | 24° | 13° | -4° | 39° | 11 of 11 |
| March | 32° | 24° | 6° | 39° | 11 of 11 |
| April | 36° | 31° | 17° | 42° | 8 of 11 |
| May | 42° | 37° | 33° | 49° | 0 of 11 |
| June | 48° | 42° | 35° | 59° | 0 of 11 |
| July | 56° | 48° | 38° | 67° | 0 of 11 |
| August | 65° | 60° | 49° | 71° | 0 of 11 |
| September | 61° | 58° | 50° | 70° | 0 of 11 |
| October | 50° | 46° | 32° | 60° | 0 of 10 |
| November | 40° | 34° | 14° | 51° | 6 of 10 |
| December | 29° | 22° | 1° | 46° | 10 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Duncan Bay Campground · National Park Service · 0 mi · 3 sites
- Rock Harbor Campground · National Park Service · 2 mi · 23 sites
- Merritt Lane Campground · National Park Service · 2 mi · 2 sites
- Tookers Island Campground · National Park Service · 3 mi · 2 sites
- Three Mile Campground · National Park Service · 4 mi · 15 sites
All public campgrounds in Michigan · Every state and province · Facts read from the operator 2026-02-25. Confirm fees, rules and current status with the operator before you go.