5.0
(5021)
16,875
hikers
02:44
5.72km
960m
Hiking
Embark on the Mount Jumbo Trail for a challenging hike that promises an intense mountain climb. This difficult route spans 3.6 miles (5.7 km) and features a significant elevation gain of 3163 feet (964 metres), typically taking around 2 hours and 43 minutes to complete. You will navigate through rooted sections and thick mud, moving from an open forest with bridges and stairs to a direct, steep ascent up the ridgeline. The latter half of the trail becomes particularly steep, demanding good stamina and preparation.
Finding the trailhead for Mount Jumbo Trail requires careful attention, as it is discreetly nestled between two houses. There are no specific warnings about snow conditions, road closures, or permits mentioned for this route, but always check local conditions before you go. Plan your visit to ensure you can easily locate the starting point and prepare for a demanding climb.
This route is located within the vast Tongass National Forest, offering a true wilderness experience. If you reach the summit of Mount Bradley on a clear day, you will be rewarded with tremendous 360-degree views of Juneau, along with expansive mountain meadows and lush forests. This challenging journey provides some of the most rewarding vistas in the Juneau area, making it a notable option for experienced hikers seeking panoramic scenery.
Last updated: April 23, 2026
Waypoints
Start point
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5.72 km
Highlight • Summit
Way Types & Surfaces
Way Types
5.39 km
326 m
Surfaces
5.58 km
136 m
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Elevation
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Weather
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Tuesday 4 August
16°C
9°C
11 %
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This route was planned by komoot.
The Komoot tour data suggests this challenging hike takes approximately 2 hours and 43 minutes to complete. However, due to its extremely steep nature and significant elevation gain, hikers should allow ample time, especially if planning to enjoy the summit views.
The terrain is intensely challenging, especially in the latter half. You'll encounter extremely steep sections, thick mud, and numerous roots and obstacles. The trail transitions from an open forest with some bridges and stairs to a direct, steep climb up the ridgeline.
No, this trail is considered difficult and is not a leisure stroll. With a rapid and significant elevation gain of over 3,300 feet in just 2.5 to 3 miles, it's a physically demanding mountain climb best suited for experienced hikers.
The trailhead for this route can be a bit tricky to locate, as it's nestled between two houses. Specific parking information isn't detailed, so it's advisable to research local parking options near the trailhead in Juneau, Alaska, before your visit.
From the summit of Mount Bradley (Mount Jumbo), if the weather is clear, you'll be rewarded with tremendous 360-degree panoramic views. These include vistas of Juneau, lush forests, streams, and expansive mountain meadows. Breaking out of the tree line offers a stunning view of the face before reaching the peak.
While not explicitly stated, the best time to hike is likely during clear weather conditions to fully appreciate the 360-degree views from the summit. Given the challenging terrain and potential for mud, drier seasons would generally be more favorable.
Specific dog regulations for this particular trail are not detailed in the provided information. As it's located within the Tongass National Forest, general forest rules typically allow dogs but often require them to be on a leash. It's always best to check current local regulations before bringing your pet.
As the Mount Jumbo Trail is located within the Tongass National Forest, general access for hiking typically does not require a permit or entrance fee. However, certain activities or developed recreation sites within the forest might have fees or require permits. For this specific trail, no permit is mentioned as required.
Yes, while the route primarily follows the Mount Jumbo Trail for 99% of its length, it also passes through smaller sections of the Treadwell Trail (4%) and the Treadwell Ditch Trail (11%).
Given the trail's difficulty, steepness, and muddy sections, you should bring sturdy hiking boots with good ankle support, plenty of water, snacks, and appropriate layers for changing weather conditions. Trekking poles would also be highly beneficial for stability on the steep and rooted terrain.
Mount Jumbo (locally known as Mount Bradley) is the tallest peak on Douglas Island and a prominent landmark visible from downtown Juneau. While the trail itself is known for its challenging climb and rewarding views, specific historical markers or unique natural features beyond the stunning scenery are not detailed.
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