Grand Coulee Dam laser light show and public tours begin Memorial Day weekend


Last updated 5/26/2023 at 8:39pm

Over the top Water spills over Grand Coulee Dam Saturday morning as Lake Roosevelt reached an elevation of 1,267 feet above sea level and the Bureau of Reclamation began spilling about 5,000 cubic feet per second, under 4% of the river's flow. Another 146,000 cfs was flowing through the dam's generators at the time, according to a U.S. Army Corps of Engineers site that publishes the data. The USACE watches the river's flow and sets flood control parameters in spring, when runoff from melting snow in the mountains swells rivers. The photo was taken from a park below the Bureau of Reclamation's Visitor Center at Grand Coulee Dam. - Scott Hunter photo

Starting Saturday, May 26, the Bureau of Reclamation will begin showing its "One River, Many Voices" laser light show and the John W. Keys III Pump-Generating Plant public tours. 

The light show will run nightly at 10 p.m. through July 31. Beginning Aug. 1, the show will start at 9:30 p.m., and from Sept. 1–30, it will begin at 8:30 p.m. Tickets are not required to enjoy the light show.

Public tours at the pump-generating plant will be available on a first-come, first-served basis at 10 a.m., noon, 2 p.m. and 3:30 p.m., running approximately one hour. Availability is limited and subject to change. Tours can be canceled without notice. Call 509-633-9265 for accessible accommodations. For additional tour guidelines, visit

Admission is free to watch the laser light show and to join a public tour. The Grand Coulee Dam Visitor Center remains open daily from 9 a.m.–5 p.m., free of charge.


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