4.5
(4213)
11,841
hikers
01:18
4.15km
160m
Hiking
Hike the easy 2.6-mile Ukak Falls Trail in Katmai National Park to see the volcanic Valley of Ten Thousand Smokes and Ukak Falls.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
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Waypoints
Start point
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0 m
Highlight • Rest Area
Tip by
2.07 km
Highlight • Waterfall
Tip by
4.15 km
End point
Way Types & Surfaces
Way Types
4.12 km
Surfaces
4.12 km
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This route was planned by komoot.
The trail is located within Katmai National Park and Preserve. Access to the trailhead is typically via a bus service from Brooks Camp, which provides a convenient way to explore the Valley of Ten Thousand Smokes.
No, due to the significant presence of Alaskan brown bears and other wildlife in Katmai National Park and Preserve, dogs are not permitted on this trail.
The best time to hike is generally during the summer months when the park is most accessible and weather conditions are more favorable. Always check current park conditions before planning your trip.
As part of Katmai National Park and Preserve, standard national park entrance fees may apply. While specific permits for the Ukak Falls Trail itself are not usually required, it's always best to check the official National Park Service website for the most current regulations and fee information before your visit.
Komoot rates this trail as 'easy' with a distance of approximately 4.1 km and an elevation gain of about 160 meters. However, some sections are unmaintained and may require bushwhacking, making it feel more moderate for some hikers, especially those less experienced or with lower fitness levels. Be prepared for rugged terrain.
The trail features a rugged and rocky terrain, winding alongside a river. The landscape is heavily influenced by the 1912 Novarupta volcanic eruption, characterized by ash and pumice. While some parts are relatively flat, expect unmaintained sections and very little shade. The overall experience is an otherworldly expanse often likened to a moonscape.
This trail is typically an out-and-back route, meaning you will return along the same path you took to reach the falls.
Hikers are treated to breathtaking panoramic views of surrounding mountains and the creek below. The scenery includes a dramatic, rugged landscape, often with cloudy skies, and significant volcanic features. The main attraction is the vast Ukak Falls and the unique Valley of Ten Thousand Smokes.
Located in Katmai National Park, the trail is known for frequent sightings of Alaskan brown bears. It is highly recommended to carry bear spray and know how to use it. Always maintain a safe distance from wildlife.
Key highlights along the route include the Robert F. Griggs Visitor Center at the start, and the impressive Ukak Falls itself. The entire journey through the Valley of Ten Thousand Smokes, with its unique volcanic landscape, is a significant point of interest.
Compared to some other national park trails in Alaska, the Ukak Falls Trail is generally less traveled. This allows visitors to enjoy the dramatic views and unique landscape with fewer crowds, offering a more serene experience.