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Unit Information

Angeles National Forest
U.S. Forest Service
701 N. Santa Anita Ave.
Arcadia, CA 91006

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Incident Contacts

Public Information
Phone: 626-574-5208
Hours: 8 am - 8 pm daily

Media Information
Phone: 626-671-2065
Hours: 8 am - 8 pm daily

Highlighted Activity

09/25/2020 Repopulation Orders Antelope Valley Sept. 25 4:00 PM
 BOBCAT FIRE EVACUATION ORDERS LIFTED FOR THE FOLLOWING AREAS OF THE ANTELOPE VALLEYThe hard work and efforts of the multi-agency firefighting crews, and cooperating partners resulted in lifting...
Closure - 09/25/2020
Public Information Map 9/25/20Image options: [ Full Size ]

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Story Map:

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National Fire Situational Awareness Maps:

For Updated Air Quality Information
          South Coast Air Quality Management District:
          Mojave Desert Air Quality Management District:

Location of Origin: Angeles National Forest, Azusa, CA
Start date: September 6, 2020
Size: Approximately 113,986 acres
Percent Contained: 55%
Cause: Under Investigation
Resources Assigned: 1,554 personnel

Engines: 147

Handcrews: 27

Helicopters: 15

Dozers: 21

Water tenders: 12


The northern portion of the fire near Mt. Lewis remained active short runs and flare ups. Overnight crews will work to monitor this area to ensure it does not cross into Highway 2. To the north of Mt. Wilson, firefighters continued to add depth to the holding lines and monitoring internal heat islands. Firing operations may occur near Rock Creek Rd and the Manzanita Trail to strengthen dozer lines. In the north end, crews remain cold trailing and mop up around structures. On the eastern perimeter of the fire activity remains moderate, as well as Santa Anita Canyon to Mt. Wilson. Evacuation orders for Antelope Valley areas were lifted and changed to warnings, previously evacuated residents in these areas were able to return home. A moderate Santa Ana wins event is forecasted for early next week, fire crews will work to ensure priority areas remain ready. Repopulation efforts continue with help from Los Angeles County Occupancy support. For more information visit:


Crews will mop-up and patrol the perimeter of the fire, monitoring and extinguishing hot spots that may remain.  Priority areas for tonight include Mt. Wilson to Highway 2, Dorr Canyon and Rock Creek Rd area where crews will continue to hold and monitor containment lines, ensuring the fire does not cross any lines in preparation for moderate Santa Ana winds expected early next week. Residents will continue to see smoke from burning islands will within the perimeters. Engines will remain available in the north for smoke checks near the communities.


Warm and very dry conditions occurred across the fire today with low humidity levels and temperatures into the 80s. By early next week, the region will see well above normal temperatures with critically low humidity. In addition, winds will shift to the east-northeast beginning Sunday, with the potential for a Santa Ana wind event.


  • South of Highway Big Pines Highway, east of Devil’s Punchbowls, west of Largo Vista Road., and north of the forest.

  • South and west of Upper Big Tujunga Canyon, east of Angeles Forest Highway, and North of Angeles Crest Highway.

  • Residences along Angeles Crest Highway, between Angeles Forest Highway and Highway 39.


  • South of Fort Tejon Road and E. Avenue W-14, east of 87th Street E., west of 165th Street E and Devil’s Punchbowl, and north of the forest and Big Pines Highway.

  • South of Highway 138, east of 165th Street E., west of Largo Vista Road, and north of Big Pines Highway.

  • South of Big Pines Highway, east of Largo Vista Road, west of 263rd Street E. (county line), and north of the forest.

  • South of Highway 138, north of Weber Ranch Road, east of Cheseboro Road, and west of 87th Street E.

  • South of Pearblossom Highway, south and east of Highway 122 (Sierra Hwy/Pearblossom), north and west of Mount Emma Road, west of Cheseboro Road, north and east of Angeles Forest Highway.

  • South of Mt. Emma Rd., North of Upper Big Tujunga Canyon Rd., East of Angeles Forest Highway, and West of Pacifico Mountain

  • East Fork Areas: Julius Klein Conservation Camp 19, Camp Williams, and the River Community.

  • Unincorporated community of Wrightwood

    The Red Cross Evacuation Centers at Palmdale High School and Santa Anita Park are now closed. Anyone still needing assistance can call the Disaster Distress Hotline at 800-675-5799.


    The Bobcat Fire started on September 6th at 12:21 PM. The fire is located near the Cogswell Dam and West Fork Day Use area. The fire is burning in heavy fuels with a rapid rate of spread.

Basic Information

Current as of
Incident TypeWildfire
CauseUnder Investigation
Date of OriginSunday September 06th, 2020 approx. 12:21 PM
LocationWest Fork of San Gabriel Canyon at Cogswell Dam
Incident CommanderAngeles National Forest
Incident DescriptionWildfire
Coordinates34.241 latitude, -117.868 longitude

Current Situation

Total Personnel1,554
Size113,986 Acres
Percent of Perimeter Contained55%
Estimated Containment DateWednesday September 30th, 2020 approx. 12:00 PM
Fuels Involved

Chaparral, Brush, and Tall Grass

Significant Events

Mainly smoldering and creeping within containment lines, should stay nearly within existing footprint.

Couple exceptions, one is between Hw 2 and Big Rock Creek where fire is backing, flanking and rolling out, with some uphill runs. The second is northwest of Mt. Wilson with uphill runs in the interior island, flare ups, and individual tree torching.


Planned Actions

Continue direct and indirect line construction with resources available utilizing pre existing dozer lines when possible. Provide structure protection when fire impacts communities.

Projected Incident Activity

Main fire progression is in the northeast, heading in a northeast direction. Little growth expected, between

500-1000 acres to contingency line. A little movement is possible in west of Waterman Mt.


Containment dates are dependent on resource availability. Currently have limited resources for the fire. Critical need for resources continue. Damage Inspection Teams are assessing Juniper Hills and Valyermo areas.

Current Weather

Weather Concerns

Warm and very dry conditions occurred at the fire today.

Temperatures climbed into the 80s, and daytime humidity dropped into the 10-20% range. Ridgetop winds generally varied from the

south to west, with afternoon gusts into the 10-20 mph range. On Saturday, strengthening high pressure will bring a stout warming

and drying trend. By early next week, near critical fire weather conditions are likely. The region will see well above normal temperatures with critically low humidity. In addition, winds will shift to the east-northeast beginning Sunday, with the potential for a Santa Ana wind event to bring stronger northeast winds to the area on Monday and Tuesday.