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Horse Fire

Unit Information

Yosemite National Park
National Park Service
P.O. Box 577
Yosemite National Park, CA 95389

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Incident Contact

Fire Information
Phone: 209-375-9517
Hours: M-F, 9am - 5pm

Air Quality Web Page

Yosemite National Park Fire Web Map

National Air Quality Fire Web Page

Multiple trail closures are in effect.  All trails (including adjacent off trail areas) in the southern portion of the park south of Glacier Point Road are closed with the following exceptions: Mono Meadow and Glacier Point trailheads remain open to Nevada Fall and the Buena Vista Trail Junction. Trail closure signs will be placed at trailheads and intersections.  For Wilderness permit questions, call the Wilderness public information line at 209-372-0826.

The Horse Fire was discovered in Wilderness on August 24, 2020 after lightning occurred over the area. It is located on Horse Ridge, southeast of Ostrander Lake. The fire is burning through scattered ground fuels, dead and down logs, and brush with an overstory of high elevation conifer.   
Smoke may be visible from Tioga Road, Glacier Point Road, Ostrander Lake area, and high country vistas.  It is dispersing to the south during the day and settling locally at night.

Park Managers are working with the local Air Quality Districts and will be monitoring smoke impacts to the park and local communities. 

Basic Information

Current as of
Incident TypeWildfire
Date of OriginMonday August 24th, 2020 approx. 10:45 AM
LocationThe Horse Fire is burning within Wilderness near Horse Ridge.
Incident CommanderType 3 Incident Organization
Coordinates37.624 latitude, -119.533 longitude

Current Situation

Size21 Acres
Fuels Involved

Timber Litter, Dead and Down, Lodgepole and Red Fir.

Significant Events

The fire has a 10% active perimeter, mainly on the northwestern perimeter. Fire is burning in dead and down logs, smoldering, and creeping with a low spread potential. Smoke is light and white at tree height dispersing south. No threats to infrastructure at this time.


Planned Actions

The strategy for this fire is to monitor.

Current Weather

Weather Concerns

Smoke from the Creek Fire is impacting the area and reducing visibility. Dry weather and relative humidity conditions will keep fire active.