From Civic Center:
Turn left at Civic Center Dr - go 0.5 mi
Turn right at N San Pedro Rd - go 0.4 mi
Turn right at Merrydale Rd - go 0.1 mi
Bear right into the US-101 S entry ramp to San Francisco - go 1.6 mi
Take the exit to Central San Rafael - go 0.2 mi
Continue on Hetherton St - go 0.2 mi
Turn right at 3rd St - go 0.8 mi
Bear right at 2nd St - go 0.3 mi
Continue on 4th St - go 0.5 mi
Continue on Red Hill Ave - go 0.6 mi
Bear Right on Sir Francis Drake Blvd - go 7.6 mi
Right on Lagunitas School Road
Park in Lagunitas School Lot (until 6am) or
Park on Lagunitas Shool Road
if you are staying past 6am to help clean up on Monday

Shuttle vans will pick up at Lagunitas School parking lot.
It takes each shuttle about 10 minutes round trip to the Grove.

If you don't see one for 15 min you can call 662-2686.
Cell phones (at least Cingular) may work on Lagunitas School Road.
Or there is a pay phone at the San Geronimo Cultural Center,
east end (right-hand side) of the building near the toilets.

Short version to paste for PDA:

From Civic Center:
L Civic Center Dr
R N San Pedro Rd
R Merrydale Rd
101S
Central San Rafael exit
R 3rd St becomes:
2nd -> 4th -> Red Hill Ave
R Sir Francis Drake Blvd 7.6 mi
R Lagunitas School Road
Park School Lot (til 6am)
662-2686

Google Map Link

Grove Location on Bay Area Map

Alternate Route: from Petaluma on back roads

From San Francisco , or from San Rafael