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YSI Administrative Office:
296 Garden Hill Drive, Los Gatos, CA 95032
EIN: 94-1265213 | Phone: (408) 356-4945

Summer Camp Registration Contact
(408) 356-4945 ext. 15  |  camp@ysi-ca.org
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YSI Nature Center
Vasona Park
Open to the Public:
Thu-Sun: 10 am - 3 pm
(408) 356-4945 ext. 12
info@ysi-ca.org
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YSI Nature Center
Alum Rock Park
Open to the Public:
Wed-Fri: 12 pm - 4 pm
Sat-Sun: 10 am - 4 pm
408-258-4322
alumrock@ysi-ca.org
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YSI Nature Center
Sanborn County Park
Open for school and group programs by appointment only‍
(408) 356-4945 ext. 12
programs@ysi-ca.org