Head north from Airport Blvd – Drive 1.8 miles.
Bear right into the I-5 N entry ramp to Woodland – Drive 8.2 miles.
Take the Main St exit to Woodland (CA-113 S) – Drive 0.3 miles.
Turn left at E Main St – Drive 0.5 miles.
Turn left into the CA-113 S entry ramp to Davis – Drive about 11 miles.
Take the I-80 W ramp – Drive 30 miles.
Take the CA-12 exit to Napa/Sonoma – Drive 0.5 miles.
Continue on Jameson Canyon Rd. – Drive 5.8 miles.
Bear right and head toward CA-12 W/CA-29 N – Drive 0.1 miles.
Bear right at CA-12 W/CA-29 N – Drive 1.3 miles.
Continue toward Napa Vallejo Hwy – Drive 0.3 miles.
Continue on Napa Vallejo Hwy – Drive 2.6 miles.
Proceed north about 1.5 miles until you come to a fork. Take the LEFT fork which is marked “Calistoga/Sonoma Highway 29″
NOTE: Ignore signs that read “Napa/Lake Berryessa”.
Proceed on Highway 29 approximately 1.5 miles.
Take the “Downtown Napa/First Street” exit. Bear RIGHT at the stop sign.
NOTE: You cannot come down FIRST St., as it is ONE WAY against you. So follow road to right and take first available LEFT onto SECOND St.
Go 3/10′s of a mile on Second St. to Warren & turn LEFT.