Directions From San Francisco - Take Highway 101 North to the Mark West Springs Road exit then follow the signs to Calistoga. After traveling eleven miles you will come to a "T" intersection. Turn left at the this intersection on to Petrified Forest Road. Travel six miles and you will come to another "T" intersection. Turn right at this intersection on to Foothill Blvd. then travel one mile until you arrive at the Flashing light intersection. Lincoln Avenue, the main of Calistoga is to your left.