Glacier National Park offers some of the most breathtaking tall hikes in North America. These challenging trails provide hikers with stunning alpine views, encounters with diverse wildlife, and the opportunity to explore pristine glacial landscapes. From the iconic Highline Trail to the strenuous Grinnell Glacier Trail, tall hikes in Glacier National Park offer unforgettable experiences for adventurous hikers seeking to conquer significant elevation gains and witness the park’s majestic beauty up close.
What Are the Top-Rated Tall Hike Trails in Glacier National Park?

Glacier National Park boasts several renowned tall hike trails that challenge hikers while rewarding them with spectacular views. Here are the top five trails for those seeking a tall hike experience:
- Highline Trail
- Distance: 11-11.6 miles (point-to-point)
- Elevation Gain: 800-2,621 feet
- Estimated Time: 5-8 hours
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Trailhead: Logan Pass or The Loop
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Grinnell Glacier Trail
- Distance: 10-10.6 miles (out-and-back)
- Elevation Gain: 1,600-2,047 feet
- Estimated Time: 5-8 hours
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Trailhead: Grinnell Glacier Trailhead near Many Glacier Lodge
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Iceberg Lake Trail
- Distance: 9.6 miles (out-and-back)
- Elevation Gain: 1,200 feet
- Estimated Time: 5-7 hours
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Trailhead: Swiftcurrent Motor Inn
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Ptarmigan Tunnel Trail
- Distance: 10.6 miles (out-and-back)
- Elevation Gain: 2,300 feet
- Estimated Time: 5-7 hours
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Trailhead: Swiftcurrent Motor Inn
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Siyeh Pass Trail
- Distance: 9.8 miles (point-to-point)
- Elevation Gain: 2,244 feet
- Estimated Time: 5-7 hours
- Trailhead: Siyeh Pass Trailhead or Piegan Pass Trailhead
How Difficult Are These Tall Hike Trails?
Each of these tall hike trails in Glacier National Park presents unique challenges:
Highline Trail
- Difficulty: Moderate to Hard
- Challenges:
- Steep drop-offs
- Narrow sections with significant elevation
- Hand cable provided in the most daunting section
Grinnell Glacier Trail
- Difficulty: Strenuous
- Challenges:
- Steady climb with significant elevation gain
- Passes through grizzly bear territory
- Optional boat tour can shorten the hike but doesn’t reduce elevation gain
Iceberg Lake Trail
- Difficulty: Strenuous
- Challenges:
- Shares path with Ptarmigan Tunnel Trail
- Passes through grizzly bear territory
- Demanding due to length and elevation gain
Ptarmigan Tunnel Trail
- Difficulty: Strenuous
- Challenges:
- Gets steeper and more strenuous near the tunnel
- Significant elevation gain
- Possibility of encountering grizzly bears
- Unique experience of walking through Ptarmigan Tunnel
Siyeh Pass Trail
- Difficulty: Hard
- Challenges:
- Significant elevation gain
- Can be windy and cold at the pass
- Rapidly changing weather conditions
- Physically demanding
What Are the Most Scenic Views on These Tall Hike Trails?
Each tall hike trail in Glacier National Park offers unique and breathtaking views:
Highline Trail
- Panoramic views of surrounding mountains and valleys
- Garden Wall along the Continental Divide
- Alpine meadows and rocky peaks
- Grinnell Glacier Overlook (optional side trip)
Grinnell Glacier Trail
- Alpine meadows and dramatic cliffs
- Pristine deep blue lakes
- Stunning vistas of Grinnell Glacier
- Views of Swiftcurrent Lake, Lake Josephine, and Grinnell Lake
Iceberg Lake Trail
- Spectacular alpine views
- Wildflower-filled meadows
- Beautiful alpine lake with icebergs
- Surrounding mountain and valley views
Ptarmigan Tunnel Trail
- Amazing alpine views
- Unique Ptarmigan Tunnel
- Stunning vistas from the far end of the tunnel
Siyeh Pass Trail
- Dramatic views of Sexton Glacier and Piegan Glacier
- Panoramic views from Siyeh Pass (elevation over 8,000 feet)
- Expansive mountain vistas
What Amenities and Facilities Are Available for These Tall Hike Trails?
Parking Options
- Highline Trail: Logan Pass or The Loop (limited parking)
- Grinnell Glacier Trail: Grinnell Glacier Trailhead near Many Glacier Lodge
- Iceberg Lake and Ptarmigan Tunnel Trails: Swiftcurrent Motor Inn
- Siyeh Pass Trail: Siyeh Pass Trailhead or Piegan Pass Trailhead
Trail Access Points
- Highline Trail: Logan Pass or The Loop
- Grinnell Glacier Trail: Grinnell Glacier Trailhead (optional boat tour available)
- Iceberg Lake and Ptarmigan Tunnel Trails: Swiftcurrent Motor Inn
- Siyeh Pass Trail: Siyeh Pass Trailhead or Piegan Pass Trailhead
Transportation
- Park shuttle service available for point-to-point hikes like the Highline Trail
What Safety Precautions Should Hikers Take on These Tall Hike Trails?
When embarking on tall hike trails in Glacier National Park, hikers should:
- Carry bear spray and know how to use it
- Hike in groups and make noise to alert wildlife
- Check weather conditions and be prepared for rapid changes
- Bring plenty of water and high-energy snacks
- Wear appropriate hiking boots and clothing
- Start early to avoid afternoon thunderstorms
- Inform someone of your hiking plans
- Carry a map and compass or GPS device
- Be aware of symptoms of altitude sickness
- Stay on designated trails to protect the fragile ecosystem
How Can Hikers Prepare for These Tall Hike Trails?
To prepare for tall hike trails in Glacier National Park:
- Train for elevation gain and long distances
- Break in hiking boots before the trip
- Research trail conditions and difficulty levels
- Pack essential gear (first aid kit, headlamp, etc.)
- Acclimate to the altitude before attempting strenuous hikes
- Plan for variable weather conditions
- Learn about wildlife safety and park regulations
- Consider hiring a guide for more challenging trails
- Obtain necessary permits if planning overnight stays
- Familiarize yourself with Leave No Trace principles
By following these guidelines and respecting the natural environment, hikers can safely enjoy the stunning tall hike trails that Glacier National Park has to offer while preserving its beauty for future generations.
References:
1. Wheatless Wanderlust: Hiking In Glacier National Park: A Guide For First Timers
2. Earth Trekkers: 10 Great Hikes in Glacier NP | Easy Strolls to Jaw-Dropping Day Hikes
3. Everywhere with Claire: 21 Best Hikes In Glacier National Park For Every Skill Level