Lightning Fire in Yosemite Causes Closure of the Tiltill Valley Trail to Lake Vernon

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Date: August 24, 2010

Fire Being Managed for Ecological Benefits

A lightning caused fire in Yosemite National Park continues to burn in the area of Lake Vernon, located approximately three miles north of the Hetch Hetchy Reservoir. The fire, known as the Vernon Fire, was spotted on August 9th. Total acreage of the Vernon Fire is 160 acres, with 75% of the perimeter active. Yosemite Fire Crews are continuing to manage the Vernon Fire for ecological benefits.  

Moderate smoke from the fire is visible near the Hetch Hetchy area. The trail from Tiltill Valley Trail Junction to Lake Vernon closed due to the fire activity. The trail will remain closed until further notice. The Tiltill Valley trail to Tiltill Mountain remains open.  

A cooling weather front is projected to reach the Yosemite area over the coming weekend. Temperatures in the area are expected to be in the upper 70’s by Sunday.  

The Vernon Fire is located in Yosemite Wilderness and poses no threat to park facilities. Cooperating agencies include San Francisco Public Utilities Commission and the Tuolumne County Air Pollution Control District.  

For more information on fire, please visit or call 209-372-0480.

Last updated: March 31, 2012

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