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** Use at Your Own Risk **

See the Retired Peak Guides in the Archives for Microsoft Word and other versions of this peak guide.

15C

Rattlesnake Peak

5826'

Location: Los Angeles County, about 11 miles north of Glendora, 41 miles from Los Angeles

Maps

Auto ClubLos Angeles and Vicinity
Forest ServiceAngeles National Forest
USGS ToposCrystal Lake 7½, Glendora 7½
Official HPS Maps TPO file - Save to your computer then open with National Geographic TOPO!
 Viewable JPG file - Approximately 1.5 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)

Printable version of this route

ROUTE 1

(USFS Adventure Pass may be required)
Distance: 9 miles round trip on road and cross-country
Gain: 4100' total, 3800' out plus 300' on return
Time: 7-8 hours round trip
Rating: Class 1, strenuous

Original: John Backus, May 1969

DRIVING ROUTE 1

  • From the intersection of I-210 and Azusa Avenue (SR 39), drive north on Azusa Avenue about 12 miles to the junction at the East Fork Road. Turn right (east).
  • Cross the bridge and go 3.3 miles to Shoemaker Road on the left. Turn left.
  • Pass a sign "Not a Through Street" and go 1.9 miles to a parking lot at a locked gate. Park here. Ample parking.

HIKING ROUTE 1

  • From the parking area (2300'), pass the gate and hike up the road 1.5 miles to a gully shortly before a deep two-sided road cut. If you can see the entrance to the tunnel you have gone too far.
  • Go up the steep left bank of the gully and pick up an old overgrown road. Follow this up around to the right as it crosses the gully and comes to a flat area with a ridge going up on the left.
  • Leave the road and go up this ridge northwest to where it turns left at about 3500'.
  • Continue west up the ridge about 1/2 mile to bump 4040' on the main ridge.
  • Turn right and go up the ridge northwest over several bumps and down to a saddle at 4720'+.
  • Then continue up to the summit.

Printable version of this route

ROUTE 2

(USFS Adventure Pass may be required)
Distance: 10 miles round trip on road and cross-country
Gain: 4100'
Time: 7.5-8.5 hours round trip
Rating: Class 1, strenuous

Original: Bill Simpson, January 2008

DRIVING ROUTE 2

See Driving Route 1

HIKING ROUTE 2

  • From the parking area (2300'), pass the gate and hike up the road 1.6 miles to the entrance to a tunnel (see the date "1961" near the top of the tunnel.)
  • Proceed through the tunnel and continue on the road to a second tunnel (see the date "1964" near the top of the second tunnel).
  • Continue thorough the second tunnel on the road passing two large gullies.
  • 300 yards after the second big gully, find the steep use trail to the east ridge.
  • Continue on the use trail, which contours north, then east, then north again, then east again for a distance of about 3/4 mile from the second tunnel with little elevation gain or loss to a second use trail to the left, which may be marked with a very large duck.
  • Proceed steeply up the second use trail as it heads north. After about 1/4 mile the use trail reaches the east ridge to Rattlesnake Peak at approximately 3500'.
  • Follow this ridge, which is a Wilderness Boundary, northwest to bump 4691, then west, then northwest again to the summit.
  • Return to the parking area via Hiking Route 1. (A return via Hiking Route 2 will add an additional mile.)

Printable version of this route

ROUTE 3

(USFS Adventure Pass may be required)
Distance: 5.5 miles one way
Gain: 5000' total, 4600' out plus 400' on return
Time: 10 hours round trip
Rating: Class 2, strenuous

Original: Peter & Ignacia Doggett, March 2014

DRIVING ROUTE 3

  • From the intersection of I-210 and Azusa Ave (SR 39) drive north on Azusa Ave 11.9 miles to East Fork Road. Turn right (east) and reset your odometer.
  • Drive 2.2 miles, just beyond the entrance to Los Angeles County Fire Camp 19, and park on the right.

Note: DO NOT park in the large open space on your left across from the entrance road to the Fire Camp (at 2.15 miles).

HIKING ROUTE 3

  • From the parking area (1600'), walk back along East Fork Road to the large open space across from LA County Fire Camp 19.
  • Proceed about 40 yards into the open space and turn right where the trail begins by dropping down about 10 feet. (Do not take the trail that climbs on the left.)
  • Follow the trail as it winds its way south and then east and then north.
  • At 0.25 mile, the trail forks. Go left. (The right fork goes over a false summit then rejoins the main trail at the 2200' saddle, adding neglible mileage and an extra 50' of gain.)
  • Follow the trail north along a prominent ridgeline for about 4.75 miles -- the trail reaches a saddle at 2200', and then continues along the ridgeline up and over bumps 4546', 5021', and to the summit of Peak 5346' (which has the benchmark "West Fang.").
  • From Peak 5346', the trail turns east and drops down to a saddle at 5000'
  • From the 5000' saddle, climb steeply and directly to the summit, veering slightly right or left of rock outcroppings.

Note: Setting up a car shuttle and returning via Route 1 is recommended.


SPECIAL CONDITIONS

Make careful note of your route on the way to the summit as it is easy to make a mistake on the return trip. Make sure you go down the ridge to the west-southwest that starts at bump 4040'. There is a steel post marking this spot.

The ridge has become very brushy and long pants are recommended. This peak is not recommended in the heat of summer due to dehydration problems.


ALTERNATE ROUTES

Rattlesnake Peak has been climbed via the ridge from South Mount Hawkins (LO). It is reported to be extremely brushy at one spot.


HISTORICAL NOTE

Shoemaker Road was originally intended to be an escape route from the Los Angeles area in case of nuclear attack. It was begun in the early days of the Cold War. It was soon abandoned as it was too expensive and a poor idea.

History of Summit Signature

Climbing Archives

Please report any corrections or changes to the Mountain Records Chair.


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