Grand Portage, Michigan · Keweenaw County · 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 17 annually Shelters: 8 Depth at dock (normal conditions): 9’ Access: Foot/canoe/kayak/private boat
Live forecast for the park. Plan your visit accordingly.
Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.
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 17 annually Shelters: 8 Depth at dock (normal conditions): 9’ Access: Foot/canoe/kayak/private boat
Three Mile Campground is located on Rock Harbor Channel off of the Rock Harbor and Mount Franklin Trails.
Driving directions (Google Maps) →Tuned to the live forecast for this park.
Recommendations adapt to the current forecast + trail stats. Use them as a starting point — local conditions, your experience, and the time of day you start all matter.
Heading to Three Mile Campground? A few things to know before you go:
Photo: Sergei AkulichMichigan's longest mapped hiking trails, ranked by distance with notes on what makes each route worth the commitment.
Photo: Joshua EarleSteep is hard. These are the ten Michigan trails with the most total elevation gain — quad-burners earned by hard climbing.
Photo: Sergei AkulichTen gentle, well-marked Michigan trails perfect for first-time hikers, families, or recovery days.
Photo: Holly MandarichMichigan's ten hardest hikes — expert difficulty, big mileage, or serious exposure. Reserved for experienced hikers.
Photo: Diego LozanoFederal parks and recreation areas in Michigan ranked by what they actually offer hikers and campers, not just popularity.
Photo: Tobias MrzykMichigan's best hikes to named waterfalls — from short family-friendly viewpoints to all-day cascade chasing.