Ice Age Floods National Geologic Trail
Network of routes connecting natural sites
Length: not available from the sources used here; the article and the list do not state a length in the form this site publishes.
From the Wikipedia article
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 of the last glacial period that occurred about 18,000 to 15,000 years ago. It includes sites in Washington, Oregon, Idaho, and Montana. It was designated as the first National Geologic Trail in the United States in 2009.
Coordinates
not available.
Source
This page is built from Wikipedia article “Ice Age Floods National Geologic Trail”. Source record: wikipedia_trails#216. Wikipedia data fetched 2026-10-03. Text from Wikipedia, licensed CC BY-SA 4.0.
Listed in: List of hiking trails in the United States.