Historic opening and closing dates for chinook, cayuse and north cascades passes.

Click on the green and white mountain pass icon for the specific pass’s.

4102 ft / 1250 m.

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Map of all the mountain passes in washington state.

Blewett pass us 97.

Verkkosubscribe to customized email alerts to help you know before you go.

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Receive current traffic conditions, mountain pass reports, construction updates.

Verkkomountain passes & winter travel.

Receive current traffic conditions, mountain pass reports, construction updates and more.

Chinook pass sr 410.

Verkkomountain pass closure and opening dates.

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