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Contact Us

Sierra Outdoor School and Conference Center

15700 Old Oak Ranch Road
Sonora, CA 95370
PHONE: (209) 532 - 3691
FAX: (209) 532 - 4196

Reservations and Program Information

Director, Mike Olenchalk,

Billing and Insurance Information

Office Manager, Sonna Swiderski,

Class Selections and Activity Schedule

Program Coordinator II, Janelle McDonald,

Special Dietary Needs

Food Service Supervisor, Shawna Cook,, or call (209) 532-4039

Naturalist Internships

Program Coordinator I,  Brandy Lively,


Do you have questions?  

Check out our FAQs, send us an email or give us a call.

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