To the East Entrance:
Exit at 1st Street.
Turn right toward King City.
Continue straight until 1st St turns into Bitterwater Rd (Monterey County G13).
Follow Bitterwater Rd until it intersects Hwy 25.
Turn left on Hwy 25 (North) and follow for ~15 miles.
Turn left onto Hwy 146 to enter the park.
Turn left into the Pinnacles Campground and check in at Pinnacles Visitor Center.
The Bear Gulch Area is 3.5 miles further into the park along Hwy. 146.
To the West Entrance:
Take Hwy 146 east.
Be aware that highway 146 turns into a one lane road, drive with caution.
Follow Hwy 146 for 14 miles into Pinnacles National Park.