MP: 6.46 Location: SR 167 and SR 410, Sumner SR 410 (former US-410) will exit, head over Chinook Pass to Yakima. Note that you also use SR 410 as a Mt. Rainier access   MP: 6.74 Location: SR 167 and SR 410, Sumner SR 410 is the Chinook Pass to Yakima, but it is not … Continue reading State Route 167, SR 161/SR 512 to SR 410