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Finding Justin-Siena From the Bay Area:

From Interstate 80, take the Highway 12 exit toward Napa/Sonoma (it lies on I-80 between Fairfield and Vallejo).

At a stoplight, Highway 12 appears to end as it joins Highway 29. Turn right onto Highway 29 North, toward Napa and Calistoga.

At the next light, the road splits; stay to your left.

Go straight through the next light, and then Highway 29 becomes a freeway for a few miles.

Turn left at the light that marks the intersection with Trower Ave. (Note: At this intersection, there should be a Marie Callender's restaurant on your right.)

Just over a block down Trower Ave., you should make a right turn onto Maher St.

Justin-Siena is located at 4026 Maher St., and is the first building on your right.

Finding Justin-Siena From Sonoma:

Take Highway 12 toward Napa, until you reach the stoplight at the intersection with Highway 29.

Turn left onto Highway 29 (North, toward Calistoga).

Within a few miles, the freeway portion of Highway 29 ends at a stoplight marking the intersection Trower Ave. At this point, you are just a few blocks away from Justin-Siena.

Turn left at the light that marks the intersection with Trower Ave. (Note: At this intersection, there should be a Marie Callender's restaurant on your right.)

Just over a block down Trower Ave., you should make a right turn onto Maher St.

Copied from school website:

Tamalpais High School

From the North: Take the 1st Mill Valley exit – East Blithedale/Tiburon –Exit 131. Turn right on East Blithedale. Proceed to the 3rd stoplight Camino Alto. Turn left on Camino Alto. Proceed to the 3rd stoplight. School is located at the end of Camino Alto where it meets Miller Avenue. Turn left on Miller and make a right hand turn after the school gymnasium into the school parking lot. From the South: Take the Golden Gate Bridge north to 1st Mill Valley exit – Stinson Beach/Highway 1. Follow exit under the Richardson Bay Bridge. Continue on road to 2nd signal light at Highway 1. Stay to the right and continue on Almonte Blvd. which becomes Miller Avenue. The school is on the left. The school parking lot is located on the left after the playing fields.