Welcome to the James San Jacinto Mountains

Are the James and Los Osos Reserves open to the public?

The James and Oasis de los Osos Reserves are a part of the University of California Natural Reserve system. The Reserves are protected areas designated primarily for research and educational use. In order to preserve the undisturbed nature of the Reserves, they are not open for public use and there are no set programs designed for the public. However, public tours, workshops and meetings can be arranged. Please contact the Reserve office to inquire about visiting the Reserves.

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