Glacier National Park offers several breathtaking places to swim, including Lake McDonald, Swiftcurrent Lake, and St. Mary Lake. These pristine water bodies provide visitors with opportunities to cool off during summer hikes and enjoy stunning mountain views. While the water temperatures remain cold year-round, averaging around 50°F, proper precautions allow for safe and enjoyable swimming experiences in designated areas throughout the park.
Where Are the Best Places to Swim in Glacier National Park?

Glacier National Park boasts numerous lakes and swimming spots, each offering unique experiences and breathtaking scenery. Here are the top three places to swim in the park:
1. Lake McDonald
Lake McDonald stands out as one of the most popular swimming destinations in Glacier National Park. Here’s what you need to know:
- Location: Easily accessible from the west entrance of the park
- Designated swimming areas: Apgar Beach and Sprague Creek
- Water temperature: Averages around 50°F, making it one of the warmer lakes in the park
- Amenities:
- Restrooms
- Picnic areas
- Boat rentals at Apgar Village
- Nearby accommodations at Lake McDonald Lodge
- GPS Coordinates: 48.6167° N, 113.8833° W
- Average depth: Approximately 472 feet (144 meters)
- Unique features: Crystal-clear waters and scenic views of surrounding mountains
2. Swiftcurrent Lake
Swiftcurrent Lake offers another excellent option for swimming in Glacier National Park:
- Location: Situated in the Many Glacier area
- Access points: Many Glacier Hotel or Swiftcurrent Motor Inn
- Water temperature: Similar to other lakes, averaging around 50°F in summer
- Amenities:
- Boat tours available
- Sandy beaches
- Nearby facilities at Swiftcurrent Motor Inn
- GPS Coordinates: 48.7833° N, 113.6667° W
- Average depth: Approximately 100 feet (30 meters)
- Unique features: Turquoise-colored waters and stunning views of surrounding peaks
3. St. Mary Lake
St. Mary Lake rounds out the top three swimming spots in Glacier National Park:
- Location: Along the Going-to-the-Sun Road
- Designated swimming area: St. Mary Falls Picnic Area
- Water temperature: Very cold, averaging around 50°F in summer
- Amenities:
- Picnic areas
- Restrooms
- Scenic views of surrounding mountains
- GPS Coordinates: Not provided in the original data
- Average depth: Not provided in the original data
- Unique features: Picturesque setting with mountain vistas
What Safety Precautions Should Swimmers Take in Glacier National Park?
Swimming in Glacier National Park requires awareness of potential hazards and adherence to safety guidelines:
Potential Hazards
- Cold Water Risks:
- Water temperatures remain very cold, even in summer
- Poses hypothermia risks
-
Recommendation: Gradual entry into the water
-
Currents and Rocks:
- Be aware of strong currents, especially in areas with moving water
- Watch for underwater rocks
Recommended Swimming Times
- Best time: Summer months during warmer parts of the day
- Caution: Be prepared for sudden temperature drops
Park Regulations and Safety Tips
- Stay on designated trails
- Avoid entering moving water unless properly equipped
- Be aware of drowning risks
- Take necessary precautions to stay safe
What Are the Water Temperatures in Glacier National Park?
Understanding water temperatures is crucial for a safe swimming experience:
Average Temperatures
- Most lakes in Glacier National Park do not exceed 50°F during summer months
- This applies to popular swimming spots like Lake McDonald, Swiftcurrent Lake, and St. Mary Lake
Temperature Fluctuations
- Weather conditions can cause temperature variations
- Elevation changes may impact water temperatures
- Even in summer, temperatures can drop significantly at night or at higher elevations
How Do the Top Swimming Lakes in Glacier National Park Compare?
To help you choose the best swimming spot, here’s a comparison of the top lakes:
Lake Name | Average Depth | Unique Features | Amenities |
---|---|---|---|
Lake McDonald | 472 feet (144 m) | Crystal-clear waters, mountain views | Restrooms, picnic areas, boat rentals |
Swiftcurrent Lake | 100 feet (30 m) | Turquoise waters, sandy beaches | Boat tours, nearby accommodations |
Two Medicine Lake | 210 feet (64 m) | Peaceful atmosphere, picnic areas | Towering peaks surrounding the lake |
What Additional Swimming Spots Are Worth Exploring in Glacier National Park?
While the top three lakes offer excellent swimming opportunities, consider these additional spots:
- Two Medicine Lake
- GPS Coordinates: 48.0667° N, 113.2333° W
- Average Depth: Approximately 210 feet (64 meters)
-
Unique Features: Peaceful atmosphere, picnic areas along shores, surrounded by towering peaks
-
Bowman Lake
- Located in a more remote area of the park
- Offers a quieter swimming experience
-
Requires a longer drive on unpaved roads
-
Lake Josephine
- Adjacent to Swiftcurrent Lake
- Accessible via a short hike
- Provides a more secluded swimming spot
Remember to always check current conditions and park regulations before swimming in any of these locations. Enjoy your refreshing dip in the pristine waters of Glacier National Park!
References:
1. TravelingMel: Jump in Best Places to Swim in Glacier National Park
2. GlacierTourBase: Weather in Glacier National Park: Seasonal Tips & Info
3. NationalParksMom: Must-See Glacier National Park Spots For Families (+ Surrounding Area)