| Distance |
Instruction |
| 0.0 | 1 Depart KOA-San Francisco North/Petaluma on Local road(s) (South-West) for 76 yds |
| 0.1 | Turn LEFT (South-East) onto Gale Rd, then immediately turn LEFT (North-East) onto Rainsville Rd for 0.2 mi |
| 0.2 | Turn RIGHT (South) onto Stony Point Rd for 0.4 mi |
| 0.6 | Turn LEFT (North) onto Petaluma Blvd N for 153 yds |
| 0.7 | Take Ramp (RIGHT) onto US-101 [Redwood Hwy] for 3.8 mi towards US-101 / San Francisco |
| 4.5 | Keep RIGHT onto Ramp for 0.1 mi towards CA-116 / Napa / Sonoma |
| 4.6 | Turn LEFT (South-East) onto SR-116 [Lakeville St] for 0.2 mi |
| 4.8 | 2 At SR-116, stay on SR-116 [Lakeville Hwy] (East) for 0.7 mi |
| 5.5 | Bear LEFT (North-East) onto Casa Grande Rd for 1.9 mi |
| 7.4 | Turn RIGHT (South-East) onto Adobe Rd for 0.4 mi |
| 7.8 | Turn LEFT to stay on Adobe Rd for 3.2 mi |
| 11.0 | Keep STRAIGHT onto SR-116 [Stage Gulch Rd] for 4.9 mi |
| 15.9 | Turn LEFT (East) onto SR-121 [Carneros Hwy] for 0.4 mi |
| 16.2 | 3 At SR-121, stay on SR-121 [Carneros Hwy] (East) for 0.7 mi |
| 17.0 | Bear RIGHT (East) onto SR-12 [SR-121] for 8.2 mi |
| 25.2 | Turn LEFT (North) onto SR-121 [SR-29] for 1.4 mi towards CA-121 / CA-29 / Lake Berryessa / Napa / Calistoga |
| 26.6 | Road name changes to SR-29 for 3.1 mi |
| 29.7 | Turn RIGHT (East) onto Trancas St for 174 yds |
| 29.8 | Road name changes to Bel Aire Plaza [Trancas St] for 131 yds |
| 29.9 | Road name changes to Trancas St for 0.8 mi |
| 30.7 | Road name changes to Financial Plaza [Trancas St] for 0.1 mi |
| 30.9 | Road name changes to Trancas St for 0.8 mi |
| 31.7 | Bear LEFT (North-East) onto SR-121 [Monticello Rd] for 12.3 mi |
| 43.9 | 4 At SR-121, turn LEFT (North) onto SR-128 [Capell Valley Rd] for 12.1 mi |
| 56.0 | 5 At 1842 Sage Canyon Rd, St Helena, CA 94574, stay on SR-128 [Sage Canyon Rd] (South-West) for 3.9 mi |
| 59.9 | Turn RIGHT (West) onto SR-128 [Silverado Trail S] for 174 yds |
| 60.0 | Keep STRAIGHT onto Silverado Trail S for 3.3 mi |
| 63.3 | Turn RIGHT (North) onto Howell Mountain Rd (S) for 43 yds |
| 63.3 | 6 At Howell Mountain Rd S, St Helena, CA 94574, stay on Howell Mountain Rd S (North-East) for 3.7 mi |
| 67.0 | 7 At 2085 Howell Mountain Rd S, St Helena, CA 94574, stay on Howell Mountain Rd S (North) for 0.5 mi |
| 67.5 | Turn RIGHT to stay on Howell Mountain Rd S for 1.6 mi |
| 69.1 | 8 At Howell Mountain Rd S, Angwin, CA 94508, stay on Howell Mountain Rd S (North) for 4.3 mi |
| 73.4 | Bear LEFT (West) onto Pope Valley Rd for 43 yds |
| 73.5 | 9 At 5811 Pope Valley Rd, Pope Valley, CA 94567, stay on Pope Valley Rd (West) for 3.6 mi |
| 77.1 | Road name changes to Butts Canyon Rd for 0.8 mi |
| 77.9 | 10 At Butts Canyon Rd, stay on Butts Canyon Rd (East) for 13.8 mi |
| 91.8 | Bear LEFT (West) onto SR-29 [Calistoga St] for 0.8 mi |
| 92.5 | Turn LEFT (East) onto Local road(s) for 32 yds |
| 92.6 | 11 At Middletown, return West on Local road(s) for 32 yds |
| 92.6 | Turn LEFT (South) onto SR-29 [Calistoga St] for 14.7 mi |
| 107.3 | Turn RIGHT (South) onto Tubbs Ln for 1.3 mi |
| 108.6 | 12 At Tubbs Ln, stay on Tubbs Ln (South-West) for 65 yds |
| 108.6 | Turn LEFT (South-East) onto SR-128 [Foothill Blvd] for 9.7 mi |
| 118.3 | 13 At 1215 Madrona Ave, St Helena, CA 94574, turn RIGHT (South) onto Madrona Ave for 0.2 mi |
| 118.5 | Turn RIGHT (West) onto Spring Mountain Rd for 5.2 mi |
| 123.7 | Road name changes to St Helena Rd for 1.4 mi |
| 125.1 | 14 At 8966 St Helena Rd, Santa Rosa, CA 95404, stay on St Helena Rd (West) for 5.3 mi |
| 130.4 | Turn LEFT (South) onto Calistoga Rd for 3.3 mi |
| 133.7 | 15 At SR-12, stay on Calistoga Rd (South) for 21 yds |
| 133.7 | Turn LEFT (East) onto SR-12 [Sonoma Hwy] for 10.6 mi |
| 144.3 | Turn RIGHT (West) onto Arnold Dr for 164 yds |
| 144.4 | 16 At Arnold Dr, stay on Arnold Dr (South-West) for 0.7 mi |
| 145.1 | Turn RIGHT (West) onto Warm Springs Rd for 2.4 mi |
| 147.5 | Turn LEFT (West) onto Bennett Valley Rd for 32 yds |
| 147.5 | 17 At Bennett Valley Rd, stay on Bennett Valley Rd (West) for 5.4 mi |
| 152.9 | Turn LEFT (South-West) onto Grange Rd for 76 yds |
| 153.0 | 18 At Grange Rd, stay on Grange Rd (South-West) for 1.8 mi |
| 154.8 | Road name changes to Crane Canyon Rd for 1.7 mi |
| 156.5 | Turn RIGHT (North) onto Petaluma Hill Rd for 76 yds |
| 156.6 | 19 At Petaluma Hill Rd, stay on Petaluma Hill Rd (South) for 4.5 mi |
| 161.1 | Road name changes to Main St [Petaluma Hill Rd] for 0.3 mi |
| 161.5 | Turn LEFT (South) onto Old Redwood Hwy for 1.5 mi |
| 163.0 | Keep STRAIGHT onto Old Redwood Hwy [Petaluma Blvd N] for 0.2 mi |
| 163.2 | Road name changes to Petaluma Blvd N for 174 yds |
| 163.3 | Turn RIGHT (West) onto Stony Point Rd for 0.4 mi |
| 163.7 | Turn LEFT (South-West) onto Rainsville Rd for 174 yds |
| 163.8 | Turn RIGHT (North) onto Gale Rd for 109 yds |
| 163.9 | Turn RIGHT (North-East) onto Local road(s) for 76 yds |
| 163.9 | 20 Arrive KOA-San Francisco North/Petaluma |
