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Temporary ACA Route Road Closures / Northern Tier Section 1 maps 4&5. Highway 20 closed due to fire. Aug. 2023

« on: August 06, 2023, 12:06:47 pm »

State Highway 20 is indefinitely closed from milepost 120 in Newhalem to milepost 156 just west of Rainy Pass, located 45 miles west of Winthrop, due to the Sourdough wildfire.  Unfortunately this means you need to find a detour as there are no alternates nearby. Either going into Canada, using Route 2 (which can be very busy with sometimes limited shoulders), I-90 (think you can now go over Snoqualmie Pass by bicycle) or use the Palouse to Cascades Trail, a rail trail, to go over Snoqualmie Pass. The Palouse to Cascades Trail has a 2+ mile long tunnel at the pass so you really need a headlight to transit. The eastern end of the trail is gravel/dirt and is really rough in parts. The western end of the trail is paved.

Here is where to find updates on the fire and the highway closure: https://inciweb.wildfire.gov/incident-information/warlp-sourdough-fire#sourdough-fire-smoke-outlook-august-6,-2023-141508