Verkkomountain passes & winter travel. Map of all the mountain passes in washington state. Click on the green and white mountain pass icon for the specific pass’s. Verkkothe olympic peninsula loop, which winds around olympic national park, is the most iconic road trip in washington, passing rugged. Verkkobut i had never driven the meandering scenic excursion known as the cascade loop. Do not pull over or pass in this section of highway. There is no parking on the. Verkkoencompassing the peaks of the north cascades, the wine and orchard country of north central washinton and bucolic islands in the salish sea,.