Lower Granite changes public crossing hours

U.S. ARMY CORPS OF ENGINEERS, WALLA WALLA DISTRICT
Published April 16, 2025

Starting April 17, Lower Granite Dam and Lock will be implementing changes to the public crossing schedule.

Until further notice, the hours for public crossing will be 7 a.m. - 4:30 p.m. daily. Additionally, crossings will now operate on a scheduled basis:

  • Southbound Crossings: Will occur on the hour (e.g., 7 a.m., 8 a.m., 9 a.m. etc.)
  • Northbound Crossings: Will occur on the half-hour (e.g., 7:30 a.m., 8:30 a.m., 9:30 a.m. etc.)

There will not be extended crossing hours this summer.

Tour and school buses must contact the dam at 509-843-1493 at least 24 hours in advance for crossing authorization. Please call 1-888-DAM-INFO (1-888-326-4636) for the most up to date dam crossing information.

For more information about Lower Granite Lock and Dam visit them on Facebook: http://www.facebook.com/LowerGraniteDam or on the Walla Walla District’s website: www.nww.usace.army.mil/Missions/Recreation/Lower-Granite-Dam-and-Lake/


Contact
Public Affairs Office
509-527-7020
cenww-pa@usace.army.mil

Release no. 25-017