Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Routes
Running trails & routes
United States
Alaska
Lake And Peninsula Borough

Ukak Falls Trail

Moderate

4.6

(7382)

18,863

runners

Ukak Falls Trail

00:45

5.28km

220m

Running

If you're looking for a moderate jogging route that takes you through a dramatic volcanic landscape, the Ukak Falls Trail is a great choice. This 3.3-mile (5.3 km) route involves a climb of 729 feet (222 metres), which you can complete in about 45 minutes. As you jog, you'll experience…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Katmai National Park

Waypoints

A

Start point

Get Directions

1

22 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 …

Tip by

2

2.63 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.

Tip by

B

5.28 km

End point

Loading

Way Types & Surfaces

Way Types

5.21 km

< 100 m

Surfaces

5.21 km

< 100 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Today

Thursday 7 May

4°C

-8°C

0 %

Additional weather tips

Max wind speed: 6.0 km/h

to get more detailed weather forecasts along your route

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Frequently Asked Questions

How challenging is the Ukak Falls Trail for jogging?

The difficulty of jogging this trail can vary significantly. While a shorter segment to the Ukak Falls Overlook might be a moderate run over mostly paved surfaces, the full trail to Ukak Falls is generally considered moderate to strenuous. It involves a steep downhill descent to the river and a challenging uphill return. Expect rocky, overgrown, and sometimes difficult-to-follow sections, potentially requiring sure-footedness and sturdy shoes.

What kind of terrain will I encounter on the trail?

The trail winds through the dramatic Valley of Ten Thousand Smokes, a landscape shaped by the 1912 Novarupta eruption. You'll jog over volcanic ash deposits and pyroclastic flows. The path can be rocky and overgrown in places, requiring careful footing. Some sections might even involve light bushwhacking due to the remote nature of the park.

What are the key sights along the route?

The trail offers breathtaking views of the volcanic landscape, including massive ash deposits and pyroclastic flows. You'll witness the layers of volcanic ash in the rugged walls of Ukak Canyon and panoramic vistas where three rivers converge. The ultimate destination is the impressive Ukak Falls, a mighty cascade of ash-laden water. The Robert F. Griggs Visitor Center is also a key point of interest near the trailhead.

Is the Ukak Falls Trail dog-friendly?

No, pets are generally not permitted on trails in Katmai National Park and Preserve to protect wildlife and ensure visitor safety. This is especially important given the high density of brown bears in the area. Please leave your furry friends at home when visiting.

What is the best time of year to visit?

The best time to visit Katmai National Park, and consequently to jog the Ukak Falls Trail, is typically during the summer months, from June through September. During this period, the weather is milder, and the trail is more accessible. However, always check current conditions as weather can be unpredictable in Alaska.

Do I need a permit or is there an entrance fee for Katmai National Park?

There are no entrance fees for Katmai National Park and Preserve itself. However, access to the Valley of Ten Thousand Smokes, where the Ukak Falls Trail is located, often requires transportation arrangements, which may involve fees. Always check the official National Park Service website for the latest regulations and any specific permits required for backcountry travel or camping if you plan an extended trip.

How do I get to the trailhead for the Ukak Falls Trail?

Access to the Valley of Ten Thousand Smokes, where the trail is located, is primarily via a bus service from Brooks Camp, which is the main visitor hub in Katmai National Park. The bus typically drops visitors near the Robert F. Griggs Visitor Center, which serves as a starting point for exploring the area, including the Ukak Falls Trail. It's essential to arrange this transportation in advance, as services are limited.

What kind of wildlife might I see on the trail?

Katmai National Park is renowned for its abundant wildlife, particularly its high density of brown bears. Sightings are frequent along trails like this, so it's crucial to be bear-aware and carry bear spray. You might also spot other Alaskan wildlife, adding to the remote wilderness experience.

What should I bring for a jog on this trail?

Given the trail's remote and rugged nature, you should bring sturdy hiking or jogging shoes with good ankle support, plenty of water, snacks, and appropriate layers for changing weather. Bear spray is essential due to frequent bear sightings. A map and compass or GPS device are also highly recommended, as sections can be difficult to follow.

Is the trail suitable for families or beginners?

While a shorter segment to the Ukak Falls Overlook might be suitable for all skill levels, the full Ukak Falls Trail is generally considered moderate to strenuous. Its steep sections, rocky terrain, and potential for overgrown paths make it less ideal for young children or beginner joggers. It requires a good level of fitness and sure-footedness.

Are there any facilities or amenities near the trailhead?

The primary facility near the trailhead is the Robert F. Griggs Visitor Center in the Valley of Ten Thousand Smokes. This center provides basic amenities and information. However, beyond this, the area is a remote wilderness, so plan to be self-sufficient with water, food, and other necessities.

Nearby routes

Moderate

Ukak Falls Trail

00:45h

5.28km

220m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy