The Grinnell Glacier Trail in Glacier National Park is a stunning 10-mile round trip hike with 2,000+ feet of elevation gain. This strenuous trail offers breathtaking views of alpine lakes, wildlife, and the receding Grinnell Glacier. A swift boat tour across Swiftcurrent and Josephine Lakes can reduce hiking distance by 3 miles, enhancing the experience with scenic lake views and allowing more time to explore the glacier area.
What is the Length and Elevation Gain of Grinnell Glacier Trail?

The Grinnell Glacier Trail presents a challenging yet rewarding hiking experience:
- Total Distance: 10.0 to 10.6 miles round trip
- Elevation Gain: Approximately 2,024 to 2,047 feet
- Trail Characteristics:
- Initial 3 miles: Relatively flat, traversing forests and lakeshores
- Last 3.5 miles: Steep ascent with significant elevation gain
- Terrain: Rocky and potentially icy or snowy, especially in early or late seasons
The concentrated elevation gain in the latter part of the trail makes this hike particularly strenuous, requiring good physical fitness and proper preparation.
How Difficult is the Grinnell Glacier Trail?
The Grinnell Glacier Trail is generally rated as strenuous due to several factors:
- Significant Elevation Gain: Over 2,000 feet in a relatively short distance
- Steep Switchbacks: Especially challenging in the last 3.5 miles
- Varied Terrain: From forested paths to rocky, exposed areas
- Weather Conditions: Can be unpredictable, with potential for snow and ice even in summer
- Sun Exposure: Limited shade in upper sections, increasing difficulty on hot days
Hikers should be well-prepared with appropriate gear, plenty of water, and snacks. It’s advisable to start early in the day to avoid afternoon heat and potential thunderstorms.
What Does the Swiftcurrent Lake Boat Tour Offer?
The Swiftcurrent Lake Boat Tour provides an alternative start to the Grinnell Glacier hike:
Feature | Details |
---|---|
Cost | Approximately $26 per person |
Distance Saved | About 3 miles of hiking |
Schedule | Multiple departures daily, last return typically at 5:45 PM |
Duration | Varies, but reduces overall hiking time |
Views | Scenic vistas of Swiftcurrent and Josephine Lakes |
Benefits of taking the boat tour:
– Reduces overall hiking distance
– Provides a leisurely start to the hike
– Offers unique perspectives of the surrounding landscape
– Allows more time to explore the upper sections of the trail and glacier area
Where Are the Best Vantage Points for Photography?
For photography enthusiasts, the Grinnell Glacier Trail offers numerous stunning vantage points:
- Swiftcurrent and Josephine Lakes:
- Best for: Early morning reflections of surrounding peaks
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Tip: Use a polarizing filter to enhance water clarity
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Grinnell Lake Overlook:
- Location: About halfway up the trail
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Highlights: Panoramic views of the turquoise Grinnell Lake and surrounding valleys
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Upper Trail Switchbacks:
- Features: Sweeping vistas of the entire valley and multiple lakes
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Best time: Late morning when the sun illuminates the landscape
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Upper Grinnell Lake Shore:
- Unique perspective: Close-up views of icebergs and the glacier’s terminal face
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Tip: Use a wide-angle lens to capture the scale of the landscape
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Grinnell Glacier Viewpoint:
- Ultimate goal: Expansive views of the glacier and surrounding peaks
- Recommendation: Arrive early to avoid harsh midday light and crowds
Photography Tips:
– Start early for best lighting conditions
– Bring a tripod for stability in low-light situations
– Use graduated neutral density filters for balanced exposures
– Be prepared for rapidly changing weather conditions
What Wildlife Can Be Encountered on the Trail?
The Grinnell Glacier Trail is known for its diverse wildlife:
- Mountain Goats: Often seen on rocky outcrops near the glacier
- Bighorn Sheep: Frequently spotted on steep slopes
- Marmots: Common in rocky areas, especially near the upper sections
- Grizzly and Black Bears: Occasionally seen in the area (carry bear spray)
- Ptarmigans: Alpine birds that change color with seasons
- Golden Eagles: Sometimes observed soaring overhead
Wildlife viewing tips:
1. Maintain a safe distance from all animals
2. Use binoculars or a telephoto lens for close-up views
3. Be quiet and observant, especially in early morning or late evening
4. Never feed wildlife
5. Store food properly to avoid attracting animals to your campsite
How to Prepare for Changing Weather Conditions?
Weather in Glacier National Park can be unpredictable, especially at higher elevations:
- Layer Clothing:
- Base layer: Moisture-wicking material
- Insulating layer: Fleece or wool
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Outer layer: Waterproof and windproof jacket
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Essential Gear:
- Waterproof hiking boots
- Rain gear (jacket and pants)
- Sun protection (hat, sunglasses, sunscreen)
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Gloves and warm hat
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Check Weather Forecasts:
- Consult park rangers for up-to-date conditions
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Be prepared for sudden temperature drops and precipitation
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Start Early:
- Avoid afternoon thunderstorms common in summer
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Allow ample time to return before dark
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Bring Emergency Supplies:
- First-aid kit
- Emergency shelter (space blanket)
- Headlamp or flashlight
- Extra food and water
What Are the Best Times to Hike Grinnell Glacier Trail?
Optimal hiking times for the Grinnell Glacier Trail vary based on several factors:
- Season:
- Late June to mid-September is generally best
- Trail may be snow-covered until early July
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Fall colors peak in late September, but snow risk increases
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Time of Day:
- Early morning: Best for wildlife viewing and photography
- Midday: Warmest temperatures, but harshest light for photos
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Late afternoon: Beautiful golden hour light, but risk of not completing hike before dark
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Weekday vs. Weekend:
- Weekdays tend to be less crowded
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Weekends may require earlier start to secure parking
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Moon Phases:
- Full moon periods offer potential for night photography and unique experiences
Considerations:
– Check trail conditions with park rangers before setting out
– Be aware of seasonal closures due to bear activity or weather conditions
– Consider your fitness level and adjust plans accordingly
By thoroughly preparing and understanding the challenges and rewards of the Grinnell Glacier Trail, hikers can fully appreciate the breathtaking beauty of this iconic Glacier National Park experience. Whether opting for the full hike or combining it with the scenic Swiftcurrent Lake boat tour, the journey to Grinnell Glacier offers unforgettable views and a chance to witness the raw power of nature in one of America’s most stunning national parks.
References:
– Sonja Saxe Blog
– Noah Lang Photography
– Hiking Walking