Exit the 101 at Reseda Blvd. Head south (right from 101 S, left from 101 N) past Ventura Blvd. Go through several stop signs on Rededa until you start to travel uphill. The trailhead is to the left before the hill gets too steep, and is marked by a wooden sign. Park on either side of the road.

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Exit the 101 at Chesebro Rd. Head north (right from 101 N, over the interstate from 101 S) to the stop sign past Texaco. Turn right onto Chesebro Rd and drive about a mile to Chesebro Park. The entrance to the park is on the right after the road winds around some large oak trees. The entrance to the park is closed at dusk.

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Exit the 101 at Kanan Rd. Head south (right from 101 S, left from the 101 N) past Agoura Rd. Continue on Kanan Rd for about 8 miles. The road will wind and pass through 2 tunnels. The parking lot for the trailhead is on the right just before a third tunnel. The backbone trail leaves from the parking lot to the south and to the west.

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The ride leaves from the corner of Lindley and Nordoff at Cal State Northridge. Parking can be tricky, but can usually be found on Zelzah.

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From the 101 N take the Topanga Canyon Blvd N exit. Turn right and take Topanga Cyn 1 mile to Erwin St. Turn left onto Erwin. Turn right into the first driveway on the right. From the 101 S take the Topanga Cyn Blvd/Ventura Blvd exit and merge onto Ventura Blvd. Turn left onto Topanga Cyn after half a mile. Follow Topanga Cyn to Erwin.

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