Ice Age Floods Loop USA

Ice Age Floods Loop

Ice Age Flood Loop — Douglas County, WA
264 km (164 mi)

Ice Age Floods Loop mapTravel back in time as you explore the stunning geography of Ice Age Flood Loop. Take US 2 from Orondo or Route 28 from East Wenatchee and get ready to be amazed.

The Power of Water

Picture a flood so powerful that it carried building sized boulders and tossed them like pebbles. See the waves studded with glacial icebergs as the water rushes past. Imagine a force so powerful that it transforms the landscape around it as easily as a child in a sandbox with a plastic shovel. That flood of water carried carried its debris and eroded soil 800 km (500 mi) and deposited it in the Pacific Ocean. That was between 13,000 and 18,000 years ago, as water from glacial Lake Missoula erupted through an ice dam at 105 kph (65 mph).

Dry Waterfalls

This Ice Age flood created enormous waterfalls that today are massive cliffs four times the size of Niagara Falls. Those building size boulders that were tossed around… you can still see one of them today. Yeager Rock is a 400-ton, two-story boulder on the Waterville Plateau. It just sits there, out of place and out of time.

Flood Plains and Dams

Take a self-guided driving tour and experience first-hand the beauty and devastation left in the wake of this Ice Age flood. Today you can relax by the lake, golf in the ancient flood plains, and hike the ancient hills as you marvel at the majesty around you. A short side trip will take you up to Grand Coulee Dam where you can take in a laser light show at one of the largest concrete structures in the world.

The Long and Short of it

There are two drive-able trails, one a 48 km (30 mi) loop around the Wenatchee Valley that lies within the other, a 164-mile loop around central Washington. Maps can be picked up at the Wenatchee Chamber of Commerce at 1 South Wenatchee Ave., Wenatchee, WA.

Grand Coulee Dam on the Ice Age Floods Loop

Need to Know:

Loop distance: 264 km (164 mi)
Duration of drive: Three to four hours. Make a day of it, stretch your legs and explore
Best time to drive: Year round. Snow tires in the winter
Watch for: Wildlife on and near roads

Destination Websites:

Dry Falls
Grand Coulee Dam
Washington Tourism – North Central
Wenatchee

Visitor Centres:

Dry Falls Visitor Center

34875 Park Lake Road NE
Coulee City, WA 99115
Phone: (509) 632-5214

Grand Coulee Dam Area Chamber of Commerce

17 Midway Ave,
Grand Coulee, Washington
Phone: 509-633-3074
Email: chamber@grandcouleedam.org

Grand Coulee Dam Center

Highway 155
Grand Coulee, Washington
Phone: 509-633-9265

Wenatchee Valley
Chamber of Commerce

1 South Wenatchee Avenue
Wenatchee, Washington
Phone: 509-662-2116
Toll Free: 1-800-572-7753
Email: info@wenatchee.org

Destinations & Communities Information