Chinook Pass scheduled to reopen for summer travel at 8 a.m. Friday, June 9

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Date: May 31, 2017
Contact: Summer Derrey, WSDOT (Chinook Pass), 509-9697784
Contact: Nicole Daniels, WSDOT (Cayuse Pass), 206-440-4479
Contact: Tracy Swartout, Mount Rainier National Park, 360-569-6502

MOUNT RAINIER – It’s certainly not the latest reopening date, but strong spring storms pushed the clearing effort of State Route 410/Chinook Pass two weeks past our Memorial Day weekend goal. The pass is scheduled to reopen by 8 a.m. Friday, June 9.

Chinook Pass will open on the east side at Morse Creek, which is five miles east of the summit. It will open on the west side at the intersection of SR 123 and SR 410.

Before WSDOT crews can reopen the roadway, they must perform further avalanche control work to clear areas where snow is stacked up to 40-feet high in some places along the highway.

WSDOT typically closes Chinook every year in late November due to heavy snowfall, high avalanche risk and hazardous driving conditions. WSDOT, Washington State Patrol and the National Park Service collaborate each spring to reopen both Chinook and Cayuse passes.

State Route 123/Cayuse Pass reopened to vehicle traffic on May 19.


WSDOT keeps people, businesses and the economy moving by operating and improving the state's transportation systems. To learn more about what we're doing, go to for pictures, videos, news and blogs. Real time traffic information is available at or by dialing 511.


Last updated: June 1, 2017

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