07:06
27.6km
130m
Hiking
Embark on an extraordinary journey through the Valley of Ten Thousand Smokes Road, a landscape utterly transformed by the 1912 Novarupta eruption. This trail guides you through a unique
Last updated: June 9, 2026
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13.8 km
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27.6 km
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Way Types & Surfaces
Way Types
24.9 km
1.88 km
883 m
Surfaces
24.9 km
981 m
883 m
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Elevation
Highest point (130 m)
Lowest point (10 m)
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Sunday 12 July
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8°C
74 %
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This route was planned by komoot.
Access to the Valley of Ten Thousand Smokes Road typically involves a float plane to Brooks Camp, followed by a bus ride into the valley. As this trail is located within Katmai National Park and Preserve, there are no specific hiking permits required for day use, but park entrance fees may apply. It's always a good idea to check the official NPS website for the latest information on fees and regulations.
The trail begins with a quick descent through some vegetation, including cow parsnip, before opening up to a vast, ash-covered valley. The terrain becomes increasingly sandy and sparse, often described as a 'moonscape' or 'desert-like,' with ash mounds and canyons carved by erosion. You'll be walking through volcanic deposits from the 1912 Novarupta eruption, with glaciated volcanoes forming a dramatic backdrop.
This trail is rated as difficult and is generally not suitable for beginners or young families. It presents significant challenges including dangerous river crossings, particularly at Knife Creek and the River Lethe, which can be swift and deceptively deep. The trail can also be unmaintained and overgrown in sections, requiring bushwhacking, and there's little to no shade. Strong winds are common, and hikers must be prepared for potential bear encounters.
The best time to hike the Valley of Ten Thousand Smokes Road is typically during the summer months when the weather is most favorable, usually from late June through early September. However, be prepared for unpredictable weather, including strong winds and potential rain, even in summer. Always check current conditions before you go.
The entire valley is a testament to the 1912 Novarupta eruption. Along the route, you can expect expansive views of the ash-covered landscape, glaciated volcanoes, and geological formations. Specific points of interest include a striking waterfall at Windy Creek (around mile 6), the Mageik Lakes, Katmai Pass, and the Novarupta crater itself. There's also a Viewpoint along the Valley of Ten Thousand Smokes Road offering panoramic vistas.
No, pets are generally not permitted on trails or in the backcountry within Katmai National Park and Preserve, which includes the Valley of Ten Thousand Smokes Road. This regulation is in place to protect both wildlife and your pet.
Beyond its difficult rating, hikers should be prepared for several unique challenges. Dangerous river crossings are a major concern, as volcanic ash and glacial sediments can obscure water depth. Strong, severe winds frequently sweep through the valley, making tent pitching difficult for backpackers. The trail can be unmaintained and overgrown, requiring bushwhacking. There is also very little shade, and water sources can be scarce, so carrying ample supplies is crucial. Finally, brown bear encounters are frequent, necessitating bear awareness and carrying bear spray.
The Valley of Ten Thousand Smokes is part of Katmai National Park, renowned for its brown bear population. While hiking, you should be prepared for frequent encounters with brown bears. Other wildlife, though less commonly seen, might include caribou, wolves, and various bird species adapted to this unique environment.
The primary visitor facility in the area is the Brooks Camp Visitor Center, which is typically accessed via float plane. From Brooks Camp, you would then take a bus to reach the Valley of Ten Thousand Smokes Road. There are no facilities directly on the trail itself.
The Valley of Ten Thousand Smokes is a landscape dramatically altered by the 1912 Novarupta eruption, the largest volcanic eruption of the 20th century. This event buried 40 square miles under hundreds of feet of volcanic deposits. The valley was originally named for the thousands of fumaroles (steam vents) that emerged from the cooling ash. Its profound geological significance even led NASA to use the area for astronaut training to help them recognize volcanic features on other planetary bodies.
Yes, while primarily following the Valley of Ten Thousand Smokes Road, the route also passes through sections of the Boardwalk Trail, Brooks Falls Trail, Brooks Bridge Trail, Brooks Camp Foot Trail, Camp Trail, Campground Beach Trail, Cultural Site Trail, Park Avenue, Ranger Station Trail, and Generator Trail, particularly near the Brooks Camp area.
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