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