National Park Service · Isle Royale National Park

Three Mile Campground

Three Mile Campground is located on Rock Harbor Channel off of the Rock Harbor and Mount Franklin Trails. Boats can overnight at dock. Stay Limit: 1 night effective June 1 – September 21 annually Shelters: 8 Depth at dock (normal conditions): 9’ Access: Foot/canoe/kayak/private boat

First-come, first-servedAccessibility info

Limited data

The federal database holds very little for this campground, so this page is short. For current conditions and details, the official links in the sidebar are the better source.

Getting there

Three Mile Campground is located on Rock Harbor Channel off of the Rock Harbor and Mount Franklin Trails.

Campgrounds nearby

First-come

Isle Royale National Park

Tookers Island Campground

1.3 miles away

First-come

Isle Royale National Park

Duncan Bay Campground

1.9 miles away

First-come

Isle Royale National Park

Lane Cove Campground

1.9 miles away

First-come

Isle Royale National Park

Rock Harbor Campground

2.4 miles away

First-come

Isle Royale National Park

Caribou Island Campground

2.8 miles away

First-come

Isle Royale National Park

Belle Isle Campground

3.3 miles away

Data source: Recreation.gov RIDB, retrieved August 30, 2026. The Campsite Atlas is an independent publication and is not affiliated with or endorsed by the Recreation.gov or any federal agency. Always confirm critical details on the official Recreation.gov page before you travel.