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.
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. Use caution if you wander near the canyon rim — its edge can be unstable.