4.5
(5968)
14,093
riders
03:05
28.4km
780m
Mountain biking
Embark on the Powerline Pass Trail for a challenging mountain biking experience through Chugach State Park. This moderate route spans 17.6 miles (28.4 km) and involves a significant elevation gain of 2575 feet (785 metres), typically taking around 3 hours and 5 minutes to complete. You will navigate varied terrain,…
Last updated: April 23, 2026
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Your route passes through a protected area
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Waypoints
Start point
Parking
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87 m
Highlight • Trail
Tip by
301 m
Highlight (Segment) • Trail
Tip by
11.1 km
Highlight (Segment) • Trail
Tip by
14.2 km
Highlight • Mountain Pass
Tip by
28.4 km
End point
Parking
Way Types & Surfaces
Way Types
28.3 km
< 100 m
Surfaces
18.4 km
9.97 km
< 100 m
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Elevation
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Weather
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Sunday 5 July
17°C
7°C
50 %
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Max wind speed: 7.0 km/h
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This route was planned by komoot.
The trail is most commonly accessed from the Prospect Heights Trailhead, which is also known as the Flattop Trailhead. This is one of the most popular trailheads in Alaska. For those looking to experience a significant downhill ride without re-climbing, a car shuttle is a popular option, allowing you to traverse the entire length of the trail from Glen Alps to Indian.
The terrain is quite varied. It starts as a well-maintained dirt and gravel road, often described as a wide-open, high-speed doubletrack. As you approach the pass, it becomes steeper, rockier, and more alpine, with potential snow patches even in summer. The descent can feature loose rock, water bars, and tight corners. You'll also encounter rolling hills and small creek crossings in the middle sections.
The Powerline Pass Trail is generally rated as 'Hard' physically, with an overall difficulty ranging from intermediate to difficult. The full traverse from Glen Alps to Indian is considered very challenging, especially due to a notoriously steep, fast, and rocky downhill section. Many experienced riders choose to turn around at the highest elevation point (the saddle) to avoid this extreme descent. Expect significant elevation gain and some sections where you might need to push your bike.
You'll be treated to breathtaking mountain views and expansive vistas of valleys, mature Sitka spruce trees, and streams. Intermittent views of Denali and Anchorage's hillsides are possible, with the best vistas of the Cook Inlet (Turnagain and Knik Arms) reserved for certain sections. Keep an eye out for moose, but also be aware of bears in the area.
No, the Powerline Pass Trail is generally not recommended for novice mountain bikers. Its significant length, challenging terrain, and considerable elevation gain make it better suited for intermediate to advanced riders. The full traverse, especially the descent into Indian, is particularly demanding.
The trail can be ridden year-round, but the best time for mountain biking is typically during the warmer months when snow has melted from the higher elevations. Even in summer, you might encounter snow patches near the pass. In winter, fat biking is possible, though upper pass elevations may not always be packed enough for riding.
The Powerline Pass Trail is located within Chugach State Park. While there isn't a specific permit required for biking the trail itself, standard state park entrance fees or parking fees may apply at trailheads like Prospect Heights Trailhead. It's always a good idea to check the current regulations for Chugach State Park before your visit.
Yes, the Powerline Pass Trail is generally dog-friendly. However, as it's located within Chugach State Park, it's important to keep your dog on a leash and practice Leave No Trace principles, including packing out all waste. Be mindful of wildlife, especially bears and moose, and ensure your dog is under control at all times.
The trail itself is a highlight, following power lines and offering expansive views. Key points include the Prospect Heights Trailhead, the main Powerline Trail (Powerline Pass Trail) from Prospect Heights section, and the Powerline Pass itself, which marks the highest elevation point and offers stunning vistas.
Yes, the route is a long connector trail and intersects with or runs alongside several other paths. You'll find sections that are part of the Mountains to Sea trail, Little O'Malley Peak Trail, Hemlock Burn Trail, South Fork Rim Trail, White Spruce Trail, Gasline Trail, Ptarmigan Pass Trail, Denali View Trail, Panorama View Trail, Hidden Lake Trail, Prospect/Llama Connector, Middle Fork Trail, and Blueberry Hollow Trail, among others.
The Powerline Pass Trail is primarily a long, linear connector trail, not a loop. Many riders choose to do an out-and-back, turning around at the pass or another point. For those wanting to experience the full length, a car shuttle is often arranged to facilitate a one-way traverse from one trailhead to another, such as from Glen Alps to Indian.
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