The Ice Age Floods National Geologic Trail is a network of routes connecting natural sites and facilities that provide interpretation of the geological consequences of the Glacial Lake Missoula floods
Glacial Lake Columbia (west) and Glacial Lake Missoula (east) are shown south of the Cordilleran Ice Sheet. The areas inundated in the Columbia and Missoula floods are shown in red.
Glacial Lake Missoula high-water mark, 4200 ft.
Illustration of the glacial flows leading to formation of several parts of the trail
Moses Coulee at mid canyon
Dry Falls
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Dry Falls is a 3.5-mile-long scalloped precipice with four major alcoves, in central Washington scablands. This cataract complex is on the opposite side of the Upper Grand Coulee from the Columbia Riv
Ice Age Floods National Geologic Trail
…Plateau in Washington state where the Okanagon lobe impounded Glacial Lake Columbia and diverted the flow through Moses Coulee, Grand Coulee and Dry Falls The Withrow Moraine and Jameson Lake Drumlin Field Boulder Park Sims Corner Eskers and Kames Erosion features from the floods such as the Channeled…
Dry Falls