Chinook and Cayuse Passes, WA, Close for the Season on October 24 State Routes 410/Chinook Pass and 123/Cayuse Pass within Mount Rainier National Park will close for the winter season at 10:00 a.m. Friday, October 24, according to the Washington State Department of Transportation. Chinook Pass (5,430 feet) and Cayuse Pass (4,675 feet) will close between Crystal Mountain Boulevard, approximately 12 miles northwest of the summit near the Mount Rainier National Park boundary, […] Industry News Gregg Frantz | October 24, 2025 0 Comments