Grand Coulee Dam

The Grand Coulee Dam Visitor Center is open daily from 8:30 a.m. to 5 p.m. Pacific Time and closed on Thanksgiving, Christmas, and New Year’s Day. The “One River, Many Voices” laser light show, and the John W. Keys III Pump-Generating Plant public tours have concluded for 2023 and will resume in May 2024.

Mask requirements inside the visitor center, and while attending public tours, are determined by the Centers for Disease Control and Prevention’s updated guidance on community level transmission. Mask mandates are subject to change without notice.

Related Links
Lake Roosevelt Water Level
Water Year Graph

Grand Coulee Visitor Center
(509) 633-9265