Approximate miles from Direction Start Pt. above 0.0 0.0 South on Ramal Rd. 4.7 4.7 Forced Left on Duhig Rd. 7.4 2.7 Right on Hwy 12/121 7.6 0.2 Left on Old Sonoma Rd. 7.9 0.3 Left on Dealy Ln. 9.0 1.1 Right on Henry Rd. 9.8 0.8 Left on Buhman Rd. 10.8 1.0 Left on Buhman Rd. (at Congress Valley Rd.) 12.2 1.4 Left on Browns Valley Rd. 12.9 0.7 Left on Redwood Rd. 15.5 2.6 Straight on Mt. Veeder Rd. 19.7 4.2 Summit - Mile post 4.25, 2300 block number 23.9 4.2 Right on Dry Creek Rd. 24.3 0.4 Right on Dry Creek Rd. (at Oakville Grade) 33.3 9.0 Right on Redwood Rd. 33.7 0.4 Left on Westview Dr. 34.3 0.6 Left on Browns Valley Rd. 34.5 0.2 Lunch Stop at Browns Valley 34.9 0.4 Right on Thompson Ave. 36.3 1.4 Left on Congress Valley Rd. 36.5 0.2 Right on Old Sonoma Rd. 38.7 2.2 Right on Hwy 12/121 (See variation below) 39.0 0.3 Left on Duhig Rd. 41.7 2.7 Continue on Ramal Rd. 46.4 4.7 Finish Variation of return 38.7 Left on Hwy 12/121 39.3 0.6 Right on Los Carneros Ave. 40.4 1.1 Left on South Ave. 40.6 0.2 Right on Cuttings Wharf Rd. 41.4 0.8 Straight on Las Amigas Rd. 41.7 0.3 Left on Las Amigas Rd. 42.0 0.3 Right on Las Amigas Rd. 43.9 1.9 Left on Duhig Rd. 44.4 0.5 Continue on Ramal Rd. 49.1 4.7 Finish