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    Thunder Mountain

    San Gabriel, California

    Thunder Mountain

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    Trail Information

    San Gabriel
    Nearby City
    Dog-friendly
    Accessibility
    9.4
    Distance
    2,403 feet
    Elevation Gain
    Out-and-back
    Trail Type
    8-9 hours
    Duration
    May-Nov
    Season
    Angeles National Forest/ San Gabriel Mountains National Monument, San Gabriel River Ranger District
    Local Contacts
    USGS Mount San Antonio, Telegraph Peak
    Local Maps

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