Public Notice: The Grand Coulee Dam Visitor Center will be closed Wednesday, Oct. 14, and Wednesday, Oct. 28, for scheduled facility use. The Visitor Center will reopen for regular hours the following day.

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 will resume May 22, 2026.

  • Go to Visit the Dam
  • Go to About Us
  • Go to History
  • Go to Employment
  • Go to News and Photos
  • Go to Columbia Basin Project
  • Go to Nathaniel Washington Power Plant
  • Go to Hungry Hose Dam
Related Links
Lake Roosevelt Water Level
Water Year Graph

Contact
Grand Coulee Visitor Center
(509) 633-9265
pninfo@usbr.gov