Lake McDonald is the largest and deepest lake in Glacier National Park, formed by glacial carving.
Put-in / access: Apgar Village (48.5283, -113.9858)
Difficulty: Flatwater
Mileage: 10 miles long
Season: June through September.
Hazards: Cold water, sudden winds, and heavy boat traffic near Apgar.
Permits: Glacier National Park entrance fee. Mandatory aquatic invasive species inspection before launching.
Guided trips: Yes, rentals and tours available at Apgar.
Camping: Apgar Campground and Sprague Creek Campground.
Visitor Access
- Nearest town: West Glacier
- Difficulty: Flatwater/Beginner
- Season: May-September
- Mileage: 10 miles
- Permits & fees: A free launch permit is required and can be obtained at permit stations, visitor centers, or park headquarters. Boats and hand-propelled watercraft must be certified free of aquatic invasive species. Glacier National Park entrance fees apply.
- Hazards: Glacier's water is very cold much of the year, requiring caution and adherence to water safety tips.
- Guided trips: Yes - Glacier Park Boat Company offers boat tours. Kayak and paddleboard rentals are available from Glacier Park Boat Co., Glacier Outfitters, and Flathead Outdoors.
- Camping: Four campgrounds are available in the Lake McDonald Valley: Apgar, Avalanche, Fish Creek, and Sprague Creek. Confirm current flows, closures, AIS inspections, and land-manager rules before you put in. Cold water and wood hazards kill—this guide is informational, not instruction.