Welcome to the James San Jacinto Mountains

What is the mailing address and telephone numbers of the Reserves?

Both the James and Oasis de los Osos are administered out of the headquarters at the James Reserve and so all correspondence should be directed there. The mailing address at the James Reserve is: P.O. Box 1775, Idyllwild, CA 92549. The physical address of the James is: 20950 Highway 243, Lake Fulmor, Idyllwild, CA 92549. Telephone numbers are: 915-827-6835 and 915-827-6836.

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