USE AT YOUR OWN RISK
Location: Los Angeles County, about 5 miles northeast of Monrovia, 44 miles from Los Angeles
|Auto Club||Los Angeles and Vicinity|
|Forest Service||Angeles National Forest|
|USGS Topos||Azusa 7½, Mount Wilson 7½|
|Official HPS Maps
||TPO file - Save to your computer then open with National Geographic TOPO!|
| ||Viewable JPG file - Approximately 1.4 megs|
| ||GPX file or Google Earth KML file to
download to GPS units and other map software (How to use GPX and KML files)|
| ||Routes as shown on
CalTopo using the above files (How to use CalTopo)|
(Clamshell Truck trail)
- Distance: 12 miles round trip on road and firebreak
- Gain: 5300' total, 4800' out plus 500' on return
- Time: 7-8 hours round trip
- Rating: Class 1, strenuous, plus short class 2 segment
- Navigation: Moderate
Original: John Backus, January 1985
DRIVING ROUTE 2
- Take I-210 to the Myrtle Avenue off-ramp.
- Go north on Myrtle Avenue for 1.6 miles to Hillcrest Boulevard. Turn
- Go 0.2 mile to Canyon Boulevard. Turn left.
- Go 0.4 mile to Ridgeside Drive. Turn left.
- Go 0.4 mile to a narrow unmarked paved road on the left,
just north of 865 Ridgeside Drive. This is the
Clamshell Truck Trail. Park on the street at this point.
HIKING ROUTE 2
- From the beginning of the Clamshell Truck Trail (1130'), go up the road
a short distance to a locked gate at the beginning of a dirt road. Pass
this gate and continue up the dirt road about a mile to a shallow saddle
with a firebreak coming down a ridge on the right.
- Turn right and go up
this firebreak to where it turns into a cat track.
- Keep right here and
follow the cat track as it goes off to the right of the ridge and then
regains the ridge.
- Continue up the ridge to the top of Clamshell Peak.
There is usually a register on this summit.
off the east side of the peak, descending about 250' to the Clamshell
Truck Trail at about 4100'.
- Go east on the road about 1 1/4 miles to
where a ridge comes down from Rankin Peak on the right.
- Go up this ridge
to Rankin Peak. There is a monument to Rev. Rankin for whom the peak is
named on the top of this peak.
- Continue east down through a saddle, over a
bump, into another saddle, and then up to the summit.