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Location and Directions

Narrative Directions: From Concord From Vallejo From Oakland/Berkeley From the Golden Gate Bridge From Sacramento

Map to Sonoma Click to Enlarge Map

Campus Map Click to Enlarge Map

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Concord Area I-680 to SDC:

Take I-680 towards Martinez approximately 7 miles. After you cross the Benecia Bridge, stay in the left lane, which turns into I-780. Travel another 7 miles and take the I-80 exit towards Sacramento. Merge onto I-80 and travel another 3 miles. Take the Marine World exit which will go up over the freeway. Stay in the left lanes. Travel another 2 miles (the 3rd intersection light) and make a right turn onto Highway 29. Continue northbound on Highway 29 approximately 10 miles. Stay to the left when you reach the Y intersection and go towards Calistoga. Travel approximately another mile to the intersection and turn left onto Highway 12 towards Sonoma. Travel another 5 miles to the next intersection light. Right before the intersection, veer to the right onto Napa Road (just before Stornetta's Dairy). Travel another 5 miles on the winding road (the road changes names), but do not make any turns until you reach Arnold Drive. Turn right onto Arnold Drive and travel another 3½ miles and it will take you right into Sonoma Developmental Center.

Vallejo to SDC via Highway 12:

Travel north on Sonoma Boulevard until it turns into Highway 29. Continue northbound on Highway 29 approximately 10 miles. Stay to the left when you reach the Y intersection and go towards Calistoga. Travel approximately another mile to the intersection, then turn left onto Highway 12 to Sonoma. Travel another 5 miles to the next intersection light. Right before the intersection, veer to the right onto Napa Road (just before Stornetta's Dairy). Travel another 5 miles on the winding road (the road changes names), but do not make any turns until you reach Arnold Drive. Turn right onto Arnold Drive and travel another 3½ miles and it will take you right into Sonoma Developmental Center.

Vallejo to SDC via Highway 37:

At the intersection of Sonoma Avenue and Highway 37, turn onto Highway 37 and travel towards Novato for about 6 miles. At the lighted intersection, make a left onto Highway 121. Follow Highway 121/12 as it twists and turns. It will automatically turn into Highway 116, which will come to a Y in the road. Stay to the right as it turns into Arnold Drive. Follow Arnold Drive 4 miles and it will take you into Sonoma Developmental Center.

I-80 Oakland/Berkeley to SDC:

Travel I-80 east to the Richmond Bridge exit. After crossing the bridge, get on 101 north. Travel on 101 north about 18 miles until you come to the Highway 37 Vallejo/Napa turnoff. Take the exit and travel 4 miles on Highway 37; at the 2nd intersection light, make a left onto Highway 121. Follow 121 as it twists and turns. It will automatically turn into Highway 116. When you come to a Y intersection, stay to the right and it will turn into Arnold Drive. Follow Arnold Drive 4 miles and it will take you into Sonoma Developmental Center.

Golden Gate Bridge to SDC via Highway 101:

Travel north on Highway 101 for 22 miles until you reach the Highway 37 Vallejo/Napa turnoff. Take the exit and travel 4 miles on Highway 37; at the 2nd intersection light, make a left onto Highway 121. Follow 121 as it twists and turns. It will automatically turn into Highway 116. When you come to a Y intersection, stay to the right and it will turn into Arnold Drive. Follow Arnold Drive 4 miles and it will take you into Sonoma Developmental Center.

Sacramento Area to SDC via I-80:

Travel west on I-80 towards San Francisco for approximately 42 miles. About 5 miles past Fairfield, take the Napa exit onto Highway 12. Travel approximately 9 miles on Highway 12 until you reach the intersection of Highway 12 and Highway 29. Make a right onto Highway 29 and travel another mile. You will to come a Y intersection; stay on the left going towards Sonoma and Calistoga. Travel another mile until you see the sign for Highway 12 to Sonoma. Turn left onto Highway 12. Travel another 5 miles to the next intersection light. Right before the intersection, veer to the right onto Napa Road (just before Stornetta's Dairy). Travel another 5 miles on the winding road (the road changes names), but do not make any turns until you reach Arnold Drive. Turn right onto Arnold Drive and travel another 3½ miles and it will take you into Sonoma Developmental Center.