Chinook 180B to Silver Star 180 Ed’s 180A to Silver Star 180D back down Silver Star to Chinook. Ed's trail includes the Arch & Scramble up Discovery Pass needed Wildflowers peaking June 15-30, 2020 Google Map to Tarbell Picnic area https://goo.gl/maps/zivkWX6Gn9rVJid38 Tarbell Trailhead, L-1100, Yacolt, WA 98675. DISCOVER PASS REQUIRED to leave your car here. The route to the Tarbell TH includes 2.2 miles of graded gravel. The road from Tarbell to the Chinook Trailhead is 4.3 miles of gravel with some rough sections and potholes. The last 1/3 mile of the road is steeper and rutted. An all-wheel-drive car with clearance, such as a Subaru, will be helpful. https://www.oregonhikers.org/field_guide/Tarbell_Trailhead