From the south:

North on 101 through Sausalito, Mill Valley (about 10 minutes from Golden Gate Bridge) Take the Lucky Drive exit in Corte Madera (the next past Paradise/Tamalpais, just over the hill from Mill Valley) Go right at stop sign onto Redwood Highway ( Cost Plus Plaza) Go right at light onto Wornum.
Go right at the light onto Tamal Vista, Then a left at next light onto Lucky which becomes Doherty when you have to bear right Going around Redwood High School. Carry on around the school to and through next stop sign (front of school) Watch for Piper Park (really!) and Police Station. Turn right immediately after small bridge. left into parking lot in front of school gym parking.

From the north:

Take 101 southbound past San Rafael and past the Sir Francis Drake Blvd. exit. Take Lucky Drive exit Continue straight past light. Then a left at "T". Rright at entrance to Redwood High School's back parking lot. Carry on around the school to and next stop sign (front of school) Watch for Piper Park (really!) and Police Station on right Cross a bridge and see Turn right immediately after small bridge. left into parking lot in front of school gym parking.