Update: Summit Fire in Mariposa County - April 20 status

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Updated: 4:28 p.m. April 20

First discovered: 2 hours ago, 2:16 p.m. April 20

Initial location: Mariposa County, Calif.

Fire type: Wildfire

Fire name: Summit

Summit Fire initially started today at 2:16 p.m. at in Mariposa County, California.

It has been burning on federal land managed by the United States Forest Service for two hours. Currently, there is no data on the containment status of the fire and the cause has yet to be determined.

Source: National Interagency Fire Center

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This story was originally published April 20, 2026 at 3:44 PM.