4.6
(7382)
18,863
runners
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
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22 m
Highlight • Rest Area
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2.63 km
Highlight • Waterfall
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5.28 km
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5.21 km
< 100 m
Surfaces
5.21 km
< 100 m
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.