Lake McDonald

Lake · Montana

About this swimming hole

The largest lake in Glacier National Park, where NPS explicitly designates beaches for swimming near Apgar. Visitors report people swimming despite the cold, and boat tours run from the village dock. This is a polar-plunge swim — the water rarely leaves the 50s even in August.

Good to know

Water typeLake
Water temperature55
DepthVery deep glacial lake
Best seasonJuly-September
FeesGlacier NP entrance fee
Reservations requiredNo
HoursDaylight
ParkingApgar and pullout parking
AmenitiesBoat tours, rentals, campgrounds nearby
CountyFlathead County
Nearest townApgar
Safety notesNo lifeguard; extremely cold glacial water; NPS maintains a no-wake zone near the swimming beaches

Map

Official information

Official park / agency page ↗ — check current conditions, fees, and reservations here before you go.

Nearby swimming holes

Frequently asked questions

Does Lake McDonald require reservations?

No reservations are required at Lake McDonald based on current information — but verify before you go.

Is there a fee to visit Lake McDonald?

Reported fee info: Glacier NP entrance fee. Fees can change — confirm with the official link.

When is the best time to visit Lake McDonald?

The best season is typically July-September.

⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026