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Rock Harbor Campground is usually sold out. Get a free email when a cancellation opens: pick your dates and we check Recreation.gov every 30 minutes.
Watch Rock Harbor Campground for free Book on Recreation.gov · Google Maps

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
CampFinder checks Recreation.gov every 30 minutes, around the clock, and emails you when a booked-up night opens back up. That catches most cancellations, which sit open for hours; at the few campgrounds that refill in seconds it can miss the race. Set up a free availability alert for Rock Harbor Campground.