We think the best way to get to The Holly Farm from the San Fernando Valley is as follows:
Drive north on US-101 (Ventura Hwy) approximately 315 miles to Hwy 156.
Take 156 west about 7 miles to Hwy 1.
Go South on Hwy 1 approximately 23 miles.
Turn left on Carmel Valley road and continue 5.5 miles to the entrance of the The Holly farm.
Alternatively, you can use these directions from Yahoo Maps:
from Tarzana, CA (Los Angeles) to the Holly Farm
Here's a couple of Yahoo maps from some other locations to The Holly Farm.
directions from San Jose Airport to the Holly Farm
directions from Mountain View, CA (Bay Area Peninsula) to the Holly Farm
the Holly Farm
info page at the Holly Farm Website (with a local map)