MOUNT RAINIER – Every year, the Washington State Department of Transportation works to reopen State Route 410/Chinook Pass and State Route 123/Cayuse Pass in time for Memorial Day weekend. This year, a washout and the timing of repairs will bring a partial opening. Here’s what travelers can expect:
- Beginning Friday morning, May 24, SR 410 will be closed at the SR 123 junction, five miles east to Morse Creek at milepost 74.5.SR 123 will fully open by Friday morning, May 24.
- SR 410 will partially open from Crystal Mountain Boulevard to the SR 123 junction by Friday morning, May 24.
- No parking is allowed at the SR 410/SR 123 junction near Cayuse Pass.
- All commercial vehicles are prohibited from traveling through Mount Rainier National Park which includes sections of SR 123 and SR 410.
Crews have completed the washout repair work on the east side of SR 410 and need to install 300 feet of guardrail for the safety of the traveling public along a sharp and narrow section of highway. Colder temperatures and snow are forecasted this weekend. WSDOT will announce the full reopening of SR 410/Chinook Pass once the work is complete.
The current closure point on SR 410 is currently nine miles east to Hell’s Crossing, milepost 83.5, for a tree removal operation which will be completed by Thursday evening, May 23.
Mount Rainier National Park
Mount Rainier National Park crews have been hard at work preparing roads and services. The park’s Carbon River, Longmire and Paradise areas are open. The Grove of the Patriarchs trail remains closed. Visitors seeking to access the Paradise Corridor will require a timed entry reservation starting Friday, May 24. Mount Rainier road access updates are provided on the Mount Rainier National Park website.