National Park Service · Michigan
Rock Harbor Campground
National Park Service · Michigan, United States · in Isle Royale National Park
- Sites
- 23
- Group sites
- Yes
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Dump station
- Yes
- Laundry
- Yes
- Elevation
- 646 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
Rock Harbor Campground is located in Rock Harbor on the northeast end of Isle Royale, off of the Rock Harbor and Tobin Harbor Trails. Additional fees for boats to stay overnight at marina.
Stay Limit: 1 night from June 1 – September 21 annually.
Shelters: 9
Depth at dock (normal conditions): 3’-12’.
Access: Foot/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.
Group Tent Sites: $25. 3 Group Sites by advanced reservation only. All parties of 7 or more must submit group permit requests through the park's online request system. The fee is a per permit cost for each party within a group of 7 or more.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 24° | 15° | -6° | 37° | 11 of 11 |
| February | 25° | 12° | -3° | 38° | 11 of 11 |
| March | 32° | 24° | 6° | 40° | 11 of 11 |
| April | 36° | 32° | 17° | 41° | 8 of 11 |
| May | 42° | 37° | 33° | 51° | 0 of 11 |
| June | 48° | 42° | 34° | 59° | 0 of 11 |
| July | 55° | 48° | 37° | 66° | 0 of 11 |
| August | 64° | 60° | 48° | 72° | 0 of 11 |
| September | 62° | 58° | 50° | 70° | 0 of 11 |
| October | 50° | 46° | 32° | 60° | 0 of 10 |
| November | 39° | 34° | 14° | 50° | 6 of 10 |
| December | 30° | 22° | 2° | 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
- Tookers Island Campground · National Park Service · 1 mi · 2 sites
- Duncan Bay Campground · National Park Service · 2 mi · 3 sites
- Duncan Narrows Campground · National Park Service · 2 mi · 3 sites
- Three Mile Campground · National Park Service · 2 mi · 15 sites
- Lane Cove Campground · National Park Service · 3 mi · 5 sites
All public campgrounds in Michigan · Every state and province · Facts read from the operator 2026-06-16. Confirm fees, rules and current status with the operator before you go.