What are the hours at Ice Age Floods National Geologic Trail?

Mon: All Day; Tue: All Day; Wed: All Day; Thu: All Day; Fri: All Day; Sat: All Day; Sun: All Day (Ice Age Floods National Geologic Trail)

Does Ice Age Floods National Geologic Trail require a reservation?

No timed-entry or vehicle reservation is required to enter Ice Age Floods National Geologic Trail. Individual tours, campgrounds, or backcountry permits may still need to be booked separately.

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Is Ice Age Floods National Geologic Trail open right now?

Q: Is Ice Age Floods National Geologic Trail open right now?

As of October 14, 2026, Ice Age Floods National Geologic Trail is open. No active closures or hazards reported.

National Geologic Trail · WA,OR,ID,MT

Open

Ice Age Floods National Geologic Trail is open.

Why this statusNo active closures or hazards reported.

Last checked Wed, 14 Oct 2026 13:00:58 GMT

Official NPS page ↗ ← Back to the map

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.

Type: National Geologic Trail
State: WA,OR,ID,MT
Nearest town: Program Manager

About Ice Age Floods National Geologic Trail

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.

Visitor info

AddressProgram Manager, Ice Age Floods National Geologic Trail, 1008 Crest Drive, Coulee Dam, WA 99116

Phone(509) 237-9722

Websitewww.nps.gov/iafl/index.htm ↗

Hours

Mon	All Day
Tue	All Day
Wed	All Day
Thu	All Day
Fri	All Day
Sat	All Day
Sun	All Day

Ice Age Floods National Geologic Trail

Getting thereTo 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…

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Parks near here

Sacajawea 25 mi
Potholes 33 mi
Lyons Ferry 37 mi
Whitman Mission National Historic Site 44 mi
Lewis & Clark Trail 48 mi
Ginkgo Petrified Forest 54 mi

More in Washington

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How we read this status

We derive Ice Age Floods National Geologic Trail's status from the National Park Service's own alerts and operating hours, refreshed hourly — this is our reading, not an official determination. As of the last check: No active closures or hazards reported. Full method: how we check park status.