Big Rock to Stunt Road Bike Climb - PJAMM Cycling

4.4
FIETS
7.6 mi
DISTANCE
2,487 ft
GAINED
5.8 %
AVG. GRADE

FULL CLIMB STATS

INTRO

This 7.6 mile bike climb is located in Los Angeles County, California, USA. The average gradient is 5.8% and there is a total elevation gain of 2,487 ft, finishing at 2,465 ft.

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CLIMB SUMMARY

Cycling Big Rock Drive to Stunt Road - panoramic view of mountainside and ocean

Cycling Big Rock Drive to Stunt Road

Santa Monica Mountains, California

Ride 7.6 miles gaining 2,487’ at 5.8% average grade.

Cycling Big Rock Drive to Stunt Road - photo collage, City of Malibu Sign, Big Rock Drive sign, bike parked on side of road next to sign for "Not a Through Street"

Start on Pacific Coast Highway and Big Rock Drive.

Note and Warning:  A portion of this climb is on what is marked as a private roadway.  However, 259 Strava members had ridden this route as of December 2020.  There is a one-third mile stretch between the No Trespassing sign and the gate to enter Santa Monica Mountains Conservancy Parkland (see sign, below). We rode this climb without incident, but we must advise that you undertake this route at your own risk and we cannot formally recommend this route.

Cycling Big Rock Drive to Stunt Road - road sign reads "End of City Mandated Road, Dead End, Private Road"

Cycling Big Rock Drive to Stunt Road - PJAMM Adventure App shows climb grade and profile

PJAMM Adventure App showing gradient for climb.

Cycling Big Rock Drive to Stunt Road - bike parked against guardrail overlooking Pacific Ocean

View of the Pacific Ocean about one-half mile up the climb.

Cycling Big Rock Drive to Stunt Road - Big Rock Road before the Santa Monica Conservancy Parkland,  bike parked against rocks overlooking pacific ocean

Views on Big Rock Road before Santa Monica Conservancy Parkland section.

Cycling Big Rock Drive to Stunt Road - bike parked against closed gate on fire road

Lower gate at mile 1.7.

This is the lower gate to Tuna Canyon Park, part of the Mountain Recreation and Conservation Authority (MRCA).  The MRCA is dedicated to preserving and managing open space in the Santa Monica Mountain area and works in cooperation with the Santa Monica Mountains Conservancy.

Cycling Big Rock Drive to Stunt Road - informational sign just past the lower gate entrance to Tuna Canyon Park

Sign just past the lower gate.

“The Santa Monica Mountains Conservancy was established by the California State Legislature in 1980. Since that time, it has helped to preserve over 75,000 acres of parkland in both wilderness and urban settings, and has improved more than 114 public recreational facilities throughout Southern California,” (Santa Monica Mountains).

Cycling Big Rock Drive to Stunt Road - bike parked against trunk of huge eucalyptus trees just inside Tuna Canyon Park entrance

Just past the lower gate.

We ride on the dirt portion of Big Rock Drive (turns to Big Rock Motorway, though there are no trail or road signs) for 1.6 miles at 8% average grade.

Cycling Big Rock Drive to Stunt Road - photo collage, Garmin device reads 20% grade, bike parked on steep portion of narrow roadway, ocean views beyond mountains

The steepest quarter-mile is on the paved portion of park land and averages 18.2%. 

Cycling Big Rock Drive to Stunt Road - end of pavement roadway, turns to dirt/gravel

Between the upper and lower gates, the pavement turns to dirt and gravel at mile 2.

There is 1.2 miles of dirt-gravel at 5.7% average grade.  This segment is easily manageable (to ascend, not so good descending) on a road bike - I used 25mm front and 28mm rear tires on my Specialized Roubaix for this ride.

Cycling Big Rock Drive to Stunt Road - views looking out over Santa Monica Mountains and ocean

Santa Monica as seen from mile 2.2.

The Mountains Recreation & Conservation Authority says of Tuna Canyon Park, this “stunning, 1,255-acre park in the western Santa Monica Mountains above Pacific Coast Highway in Malibu parallels more than two miles of the Pacific Ocean, and provides dramatic, 360-degree views of the San Gabriel mountains to the Santa Monica Bay,” (Tuna Canyon Park).

Cycling Big Rock Drive to Stunt Road - view looking northwest to the finish of Stunt/Saddle Peak/and Schueren Roads

This is our view of the finish (junction Stunt-Schueren-Saddle Roads) at mile 2.7

View looking northwest.

Cycling Big Rock Drive to Stunt Road - photo collage, bike parked along roadside, against sign, and against closed gate leaving Tuna Canyon Park, sign for Santa Monica Mountains Conservancy Parkland, PJAMM Cycling logo in in corner

Mile 3.2, leaving Tuna Canyon Park.

Although this is our exit from the park given the direction of our climb, the gate at the end of the gravel road (as we ride onto Tuna Canyon Road, paved) is the entrance to Tuna Canyon Park.

If you turn right at onto Tuna Road upon leaving the park you can descend on Tuna Canyon Road to PCH on a one-lane one-way road.  However, we turn left and continue our climb one mile at 5.1% up to Saddle Peak Road.

Cycling Big Rock Drive to Stunt Road - intersection of Saddle Peak Road and Tuna Canyon Road

Turn left onto Saddle Peak Road at mile 4.3.

Cycling Big Rock Drive to Stunt Road - final miles on Saddle Peak Road, sunset from hilltop

Views along 3.2 miles on Saddle Peak Road to our climb finish.

The high point of our climb comes at the true Saddle “Peak” at mile 6.6.  However, we continue our route to the junction of Saddle Peak-Stunt-Schueren Roads because that is in our opinion one of the best finish point hubs in the Santa Monica Mountains.  Topanga Canyon, Las Flores, and Big Rock can finish at this scenic point.

Cycling Big Rock Drive to Stunt Road -  PJAMM Cyclist John Johnson stands with bike at climb summit, intersection of Schuren Road, /Saddle Peak Road, and Stunt Road

Finish at the junction of Saddle Peak-Stunt-Schueren Roads.

Cycling Big Rock Drive to Stunt Road  - aerial view of climb shows climb overview