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Mountain biking trails
United States
Alaska
Juneau City And Borough

West Glacier Trail

Easy

2.7

(5)

68

riders

West Glacier Trail

00:39

6.58km

140m

Mountain biking

The West Glacier Trail offers an easy mountain biking experience through Tongass National Forest, covering 4.1 miles (6.6 km) with an elevation gain of 447 feet (136 metres). You can expect to complete this route in about 39 minutes, enjoying a varied terrain that includes both singletrack and hardened doubletrack sections. As you ride, you will encounter natural ground surfaces, which may feature rock staircases, slippery rocks, and muddy patches, all leading to impressive views of the Mendenhall Glacier. You will pass through areas characterized by willow, cottonwood, and alder trees, sometimes skirting older Sitka Spruce and Western Hemlock forests. The journey culminates at a rock outcrop, providing panoramic views of the glacier. This trail is a great option if you are looking for a relatively quick and accessible ride with scenic rewards.

Planning your visit to the West Glacier Trail is straightforward, as parking is generally available at the trailhead. This location also serves as a starting point for other activities, such as raft and kayak trips on Mendenhall Lake, making it a convenient hub. While the route is rated easy overall, be prepared for some sections that can be more challenging due to the natural terrain, including rock staircases and potential mud. The trail is multi-use, popular not only for mountain biking but also for e-biking and hiking, so you can expect to share the path with others.

This trail is notable for its direct connection to the Mendenhall Glacier, offering unique insights into the landscape's transformation due to glacial recession. As you ride, you will be traversing areas below the glacier trimline, which provides a distinct ecological perspective. The West Glacier Trail stands out in the region for its combination of accessibility and dramatic glacial scenery, making it a compelling choice for those interested in both outdoor activity and natural history. It provides a tangible experience of the powerful forces that have shaped this part of Tongass National Forest.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Tongass National Forest

Waypoints

A

Start point

Parking

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1

173 m

West Glacier Trail

Highlight (Segment) • Trail

This is a fun, shared-use trail that ends after two miles, at a rocky outcrop that offers fine overlooks of Mendenhall Glacier from the west side and makes a logical turnaround point. There are some social (unmaintained) trails that continue farther, but aren't maintained or well-suited to riding.

You should read the Forest Service warnings about off-trail rescues here: fs.usda.gov/recarea/tongass/recreation/hiking/recarea/?recid=78817&actid=50

As always, you should be alert to the possibility of surprise wildlife encounters too — especially during the early morning and evening hours.

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6.58 km

End point

Parking

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Way Types & Surfaces

Way Types

6.42 km

153 m

Surfaces

6.42 km

153 m

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Elevation

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Highest point (120 m)

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Weather

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Monday 5 October

10°C

6°C

97 %

Additional weather tips

Max wind speed: 13.0 km/h

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Frequently Asked Questions

How long does it typically take to mountain bike the West Glacier Trail?

The West Glacier Trail is approximately 6.6 km (4.1 miles) long and typically takes around 40 minutes to complete by mountain bike. This duration can vary based on your fitness level, the trail conditions, and how often you stop to enjoy the views.

What is the difficulty level of the West Glacier Trail for mountain biking?

While komoot rates this specific route as 'easy', the West Glacier Trail is generally considered a challenging and difficult trail, requiring good physical fitness. It features sections with long rock staircases, slippery rocks, and muddy areas. There are short bursts of rapid elevation gain, and navigation can be tricky in parts, especially towards the end. Be prepared for rapidly changing weather conditions.

What kind of terrain can I expect on the West Glacier Trail?

The trail offers diverse terrain, including a mix of singletrack and hardened doubletrack surfaces. You'll encounter natural ground, rock staircases, potentially slippery rocks, and muddy sections. Some areas may be overgrown, and bouldering is required in the latter third of the route. The path traverses through willow, cottonwood, and alder trees, and skirts older Sitka Spruce and Western Hemlock forests.

Is the West Glacier Trail a loop or an out-and-back route?

The West Glacier Trail is primarily an out-and-back route. It leads to a scenic overlook with stunning views of the Mendenhall Glacier before you return the way you came.

Where is the trailhead for the West Glacier Trail and what are the parking options?

The trailhead for the West Glacier Trail is located near Juneau, Alaska. It serves as a hub for various activities. Specific parking details are often managed by the local forest service. For the most current information on parking availability and any potential fees, it's best to check the official USDA Forest Service website for the Tongass National Forest.

What are the main scenic highlights along the West Glacier Trail?

The primary highlight of this trail is the unparalleled access to spectacular panoramic views of the Mendenhall Glacier, especially from a rock outcrop at the trail's end. The journey itself showcases the impact of glaciation on the landscape, moving through areas of newly established vegetation where the glacier has receded. You'll also pass through contrasting vegetation along the glacier's trimline. The trail itself is a highlight: West Glacier Trail.

When is the best time of year to mountain bike the West Glacier Trail?

The best time to mountain bike the West Glacier Trail is typically during the warmer months, from late spring through early fall, when snow has melted and conditions are generally more favorable. However, be prepared for rapidly changing weather conditions common in Alaska, even during summer. Always check local weather forecasts before heading out.

Are dogs allowed on the West Glacier Trail?

Information regarding dog allowances on the West Glacier Trail can vary. As the trail is located within the Tongass National Forest, it's advisable to check the specific regulations for pets on trails within this national forest. Generally, dogs are often permitted on leash, but always confirm with the USDA Forest Service to ensure compliance with local rules.

Do I need a permit or pay an entrance fee to access the West Glacier Trail?

The West Glacier Trail is located within the Tongass National Forest. While many national forest trails do not require specific permits for day use, some areas or activities might. It's recommended to check the official USDA Forest Service website for the Tongass National Forest for the most up-to-date information on any required permits or entrance fees before your visit.

What essential gear should I bring when mountain biking the West Glacier Trail?

Given the trail's challenging nature and potential for rapidly changing weather, essential gear includes a well-maintained mountain bike, helmet, appropriate layers of clothing (including rain gear), sturdy footwear, plenty of water, snacks, a first-aid kit, and navigation tools. Due to sections that can be difficult to follow, relying on cairns, a map or GPS device is highly recommended.

Does the West Glacier Trail connect with any other trails?

Yes, the route primarily follows the West Glacier Trail. Additionally, a portion of the route also passes through sections of the West Glacier Spur Trail.

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