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Routes
Hiking trails & Routes
United States
Alaska
Lake And Peninsula Borough

Ukak Falls Trail

Easy

4.5

(4213)

11,841

hikers

Ukak Falls Trail

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

Please check local regulations for:

Katmai National Park

Waypoints

A

Start point

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1

0 m

Robert F. Griggs Visitor Center

Highlight • Rest Area

The Robert F. Griggs Visitor Center sits at the end of the Valley of Ten Thousand Smokes Road. It can only by bus (or very, very long walk) from Brooks …

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2

2.07 km

Ukak Falls

Highlight • Waterfall

Ukak Falls, a mighty cascade of ash-laden water, is one of the common destinations on ranger-led hikes from the Robert F. Griggs Visitor Center in Katmai National Park.

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4.15 km

End point

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Way Types & Surfaces

Way Types

4.12 km

Surfaces

4.12 km

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Elevation

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Sunday 24 May

3°C

-5°C

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This route was planned by komoot.

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Frequently Asked Questions

How do I get to the Ukak Falls Trailhead?

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.

Is the Ukak Falls Trail dog-friendly?

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.

When is the best time to hike the Ukak Falls 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.

Are there any permits or fees required to hike the Ukak Falls Trail or enter Katmai National Park?

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.

What is the difficulty level of the Ukak Falls Trail?

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.

What is the terrain like on the trail?

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.

Is the Ukak Falls Trail a loop or out-and-back?

This trail is typically an out-and-back route, meaning you will return along the same path you took to reach the falls.

What kind of scenery can I expect along the route?

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.

What wildlife might I encounter on the trail?

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.

What are the main points of interest on the Ukak Falls Trail?

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.

Is the Ukak Falls Trail usually crowded?

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.

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7

Windy Creek Overlook and Ukak Falls Trail

01:34h

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