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Home » Pacific Northwest » Washington Scenic Drives and Road Trips

Coulee Corridor Scenic Byway

Drive through coulees and dry canyons

Mileage151 miles (243 km)
DurationThe duration is an estimate of a one-way drive and does not include any stops or side-trips.3 hours, 30 minutes
SeasonsThe seasons listed are the best seasons for this scenic drive. If Winter is not mentioned, the road may be closed during the winter.All Seasons
RoadwaysUS Highway 2, and Washington Highways 155 and 17
ServicesThe cities or towns listed have either Food or Services such as gas, hotels, pharmacies, etc.Coulee Dam, WA
4.0 average from 17 votes
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Elevation Graph for Coulee Corridor Scenic Byway

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While this area of Washington averages about 8 inches of rain per year, its landscape was influenced by glaciers and run offs in its long history, carving out spectacular coulees.

Grand Coulee Dam
Grand Coulee Dam

This scenic drive starts in Omak and runs to Othello, but you can do it in either direction. To start from Othello, take exit 137 on I-90 and follow the signs for WA-26, and in about 45 minutes, head north on WA-17. But as described, we are starting in Omak, which you can reach off US-97.

Heading east on WA-155, there is a memorial to the 19th century leader of the Nez Perce tribe, Chief Joseph. Please respect the Nez Perce wishes to not visit his gravesite.

Continuing east, the Colville Confederated Tribes Museum (M1) in Coulee Dam depicts the history of the 12 tribes that are part of the Colville Confederated Tribes. Up until this point, the drive has been on the Colville Indian Reservation.

Just ahead is the Grand Coulee Dam (A1). At 550 feet high, it is the largest concrete structure in the United States. Tours are offered and during the summer, there is a laser light show.

For a spectacular view of the dam and a great picnic area, continue south on WA-155 and then head north on WA-174. About a mile and half on the highway, turn right on Crown Point Road and continue on this road into the Crown Point State Park (H3).

Approximately 15 miles from the Grand Coulee Dam, the Banks Lake and Steamboat Rock State Park (H1) will be on your right. The park is on a columnar volcanic basalt.

Continuing south for about 28 miles, Sun Lakes-Dry Falls State Park (H2) is on the right and features a Dry Falls, a prehistoric waterfall that was 10-times the size of Niagara Falls.

In another 14 miles south, Lake Lenore Caves State Park (H4) is on the right and has a trail to a series of caves used for shelter by Native Americans.

In three miles, Soap Lake is known for its mineral-rich water and mud and it marks the end of the Grand Coulee canyon.

When WA-155 ends, you will join onto US-2 for a four miles, at which point head South on WA-17.

Continuing south through the semi-desert terrain, Moses Lake is just before I-90 and features Moses Lake Museum and Art Center (M2), exhibiting shrub-steppe habitats and history of the local Native Americans in the area.

The Columbia National Wildlife Refuge (H5) is a short trip west to a less populated and more natural area where you can watch birds, beavers, yellow-bellied marmots, and deer.

The drive officially ends in Othello. From here, consider getting onto the I-90 and heading to Mountains to Sound Greenway or one of its connecting drives.



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