Mount Wilson, California · Los Angeles County · Facility
5,200-foot elevation. Day use hours are 6 am to 10 pm. During the winter months, Charlton Flat may close at any time due to snow and/or ice. Please contact the San Gabriel Mountains National Monument- Acton Work Center at 661-269-2808 for the most current information.
Live forecast for the park. Plan your visit accordingly.
Forecast data © Open-Meteo. Refreshed every 6 hours. Always check the most recent forecast before heading out.
5,200-foot elevation. Day use hours are 6 am to 10 pm. During the winter months, Charlton Flat may close at any time due to snow and/or ice. Please contact the San Gabriel Mountains National Monument- Acton Work Center at 661-269-2808 for the most current information.
Heading to Charlton Flats Picnic Area? A few things to know before you go:
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