Avalanche Gorge at Glacier National Park in northwestern Montana. The hike to Avalanche Lake takes you along Avalanche Creek through Avalanche Gorge to a beautiful alpine lake. Photo: Galyna Andrushko on Shutterstock
Next door to more famous Multnomah Falls, Oneonta Gorge is a U. Forest Service-designated area due to the unique aquatic plants that grow there. The hike to the gorge is an easy loop with just 400 feet of elevation gain.