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Monrovia Canyon Mountain Bike Ride

Type

 

Street / fire-road

Miles

 

11.67

Elevation Gain

 

2173’ per GPS

Starting/Max Elevation

 

980’ / 3280’ per GPS

Starting Coordinates

 

34 09.966’ N, 117 59.686’ W

Monrovia Canyon is a lovely shaded area in the front range of the San Gabriels, North of Monrovia. This ride enters the park via the paved road which climbs about 1.5 miles before turning into a well maintained fire-road. The ridge at the top of the climb offers views into both the San Gabriel valley and mountains. Note, the trail is closed Tuesday and Wednesday each week due to police firing range use and is sometimes posted as closed on other days. The park may also close when fire risk is high (even when other parts of the forest are open to recreational use)

Getting there

From the 210 freeway in Monrovia take Mountain Avenue North to the end where it meets Foothill. Go left (West) on Foothill 0.6 miles to Canyon Blvd and turn right. Take Canyon Blvd North, forking right at 0.7 miles. Continue about 0.2 miles and park on the street just before Ridgeside Drive. The Monrovia Canyon entrance is found on the right just a few yards North of here. Alternatively for $5 you can park in Monrovia Canyon Park, although parking does get full on the weekends and riding the road in serves as a nice warm up before hitting the climb.

 

The Ride

Monrovia Canyon TN0Assuming you start from outside the park, turn right onto Canyon Blvd at the Canyon Park sign, making this the 0 mile marker. At 0.19 miles pass through the gate which should be open during the posted hours. If not, look for signs indicating the park to be closed - it’s not unusual during periods of high fire danger for the park to be closed even if the Angeles Forest is open to recreational use. The park is also closed Tuesdays (and sometimes other weekdays) for police to use the shooting range.

At 0.55 miles you will pass the lower parking area, restrooms and toll booth. There are three car parking areas - the majority of visitors walk to the waterfalls; a relatively easy hike from any of the parking areas but closest to the upper one.

Monrovia-Canyon-TN2At 0.7 miles turn right to cross a small bridge, following the Trask sign. Now begins a short but tough climb as the road uses a few steep switchbacks to reach the top of the dam at 1.07 miles and 400’ above the start, where you will pass through a chain-link gate. Beyond here the climbing is easier.

At 1.63 miles the paved road ends at the Trask Scout Reservation. Bear right on to the road signed as Monrovia Canyon Road. There’s a residence on the left with a large dog that sometimes loiters around the fire road entrance but fortunately shows no interest in chasing riders/hikers. After just 0.3 miles there’s a locked gate to go around.

The fire road is a pleasant climb from here, especially in autumn when the leaves are falling. At 3.24 miles cross a drainage. The police shooting range is on the left at 3.4 miles, followed at 3.45 miles by an emergency phone and water tower. A single track trail takes off to the left at 3.57 miles - unfortunately cycles are prohibited.

Monrovia-Canyon-TN3After a possible water crossing at 3.94 miles, 4.05 miles brings another trail on the left and restrooms (but no water). There’s also a sign showing the various trails and distances - according to this it’s another 1.5 miles to white saddle - our target for today. Around 4.7 miles the saddle comes in sight - look for the power lines along the ridge - that’s where we are going. After a few more switch backs comes the most deceiving part of the ride. You will be convinced your at the top only to turn another corner and find your not quite there.

Finally at 5.46 miles you will reach white saddle. Continuing to straight on 2N30 would take you to Red Box Rincon Road (3.1 miles according to the sign). 1N36 on the right can be used to create a loop by descending onto Fish Canyon Road in Duarte (returning to the start via the residential streets). While I’ve done this loop a couple of times I advise against it - exiting on to Fish Canyon requires passing some stables with a large number of very un-welcoming dogs. I was told by someone there that walking the bike avoids the dogs getting excited but regardless I don’t ever plan to ride through there again!

I recommend going right on 1N36 to 5.83 miles where I turn off on the left (under one of the towers) for a nice view both into the mountains and the valley. There are a few roads branching off around here but most go downhill and that means climbing back up, so I make this the turnaround point and backtrack

MonroviaCanyonTN4MonroviaCanyonTN5

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Ride log

Last Ridden

Condition

Pedal Time

Elapsed Time

Oct 18th, 08

Excellent - fire-road in best condition I’ve ever seen it

1 hour 40 minutes

1 hour 50 minutes

Apr 12th, 08

Excellent - road in good condition and lots of wildflowers out

1 hour 35 minutes

2 hours

Nov 24th, 07

Excellent

1 hour 29 minutes

1 hour 45 minutes

Links

[Directions to start]

[Map in pdf (606 KB)]

[GPS Trace (waypoint every quarter mile)]

[GPS Trace (all waypoints)]

[Topo file (.tpo)]

 

 

 

Monrovia-Canyon

http://www.nationalgeographic.com/topo

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Site Last Modified: Tuesday, March 10, 2009