Overview
At the end of the last Ice Age, 18,000 to 15,000 years ago, an ice dam in northern Idaho created Glacial Lake Missoula stretching 3,000 square miles around Missoula, Montana. The dam burst and released flood waters across Washington, down the Columbia River into Oregon before reaching the Pacific Ocean. The Ice Age Floods forever changed the lives and landscape of the Pacific Northwest.
Location
Directions
To Trail Headquarters from Spokane Take I-90 West At Exit 277, merge onto US-2 toward Davenport/Fairchild AFB/Spokane Airport Just past Wilbur, turn right onto WA-21 Stay left onto Highway 174 Turn right onto WA-155 Stay on WA-155 past Grand Coulee Dam and into the town of Coulee Dam Cross the Columbia River and continue on WA-155 Turn right onto Crest Drive and follow up the hill. The HQ Office is located on the left
Weather Notes
The National Geologic Trail is a collection of sites stretched across a four state area, the weather will vary from site to site. Please check the weather for your local region, or the region you'll be visiting, through their respective sites.
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(509) 237-9722Trip Reports
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Tod
65°F
3 to 7 mph NW
Mon
69°F
5 to 8 mph SW
Tue
69°F
6 to 10 mph SW
Wed
72°F
6 mph NE
Thu
77°F
6 mph E
Fri
78°F
7 mph SW
Sat
79°F
5 to 8 mph NE