Share your love of the Park with someone who might also like to become involved in supporting all park programs.

Did you know that CBTA is the sole source of funding for the interpretive and educational programs at Calaveras Big Trees State Park.  Support from members allows  Calaveras Big Trees Association to fulfill its mission of delivering high quality educational and interpretative programs at the Park.

Since 1974, CBTA has been able to assist in enhancing the visitor’s exploration and enjoyment of Calaveras Big Trees State Park.

Becoming a member of CBTA affords you unique benefits like seminars, workshops, trainings, special events, collaboration and so much more.  Other benefits include a 20% discount  in the Visitor Center store and 40% off at the Annual Member/Docent Sale.

But the greatest benefit of being a member of CBTA is knowing you are contributing to protecting Calaveras Big Trees State Park and helping others gain an understanding, awareness and appreciation of its natural, cultural and recreational resources.

CBTA was established as a 501(c)(3) non-profit corporation in 1974,  Therefore, your membership and contributions are tax deductible to the extent allowable by law.

If you would like to renew your membership or join for the first time, please click here to read about the different levels of membership and to complete the application online. Click Here to download an application and mail it to us.  Either way we thank you in advance for your support.  Nothing we do would be possible without the support of our members and volunteers.  Please call 209.795.1196 with any questions.