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CBTA is a non-profit educational association dedicated to the interpretation of human and natural history at Calaveras Big Trees State Park, in cooperation with the California State Park System. All contributions are tax deductible.

Save Our State Parks

The State Park Foundation does a great job of staying on top of current reports with regard to the state park closures. Please visit their site by clicking here for the latest update.

Latest News

Visitor Center Closed December 2 and 3 for Inventory

The Visitor Center will be closed Wednesday December 2 and Thursday December 3 so that the staff can do inventory.  Sorry for the inconvenience.


6th Annual Winter Wonderland


Calaveras Big Trees State Parks kicks off the New Year with the 4th Annual First Day Hike

Calaveras Big Trees invites the public to start 2016 in a healthy way by connecting to nature, and what better way to do so than participating in the fourth annual First Day Hike.  On Friday January 1, the first 25 people will be able to enjoy a guided walk through the North Grove.  The conditions will dictate if it is a snowshoe hike.  Dress for cold windy conditions with warm boots, hats, gloves, snacks and or food, camera and water.  Prepare for snow conditions and have chains for your vehicle. Weather conditions change rapidly in the Sierras and you should be prepared for rain and or snow.

When:     Friday, January 1, 2016        11:00 a.m.

Meet at the Warming Hut

Please call 209-795-3840 for more information.

December in the Park

Visitor Center

Daily     10:00 am – 4:00 pm

The Visitor Center will be closed December 2 and 3 for inventory.


Call for status – 209-795-3840

Camping –  

North Grove Campground –  First come – first serve

Oak Hollow Campground – Closed for the season

The Dump Station – Closed for the season

North Grove Guided Tours – Guided walks of the North Grove are held on Saturday at 1 pm.   The walk is 1.5 to 2 hours.  Meet in front of the Visitor Center.  Bring water and your comfortable shoes.

Snowshoe Walk
When appropriate – the guided walk becomes a snowshoe walk.  Snowshoes are provided.
Warming Hut
The Warming Hut will open beginning Friday, November 20 and will be open  weekends and holidays through March, 2016.  Stop by to say hello and to have some hot chocolate or hot apple cider compliments of Calaveras Big Trees Association.


Other Winter Activities

On Your Own – Snow play is allowed in the North Grove area.  Build a snow person, ride a sled, or simply marvel at the beauty.  Bring your own cross-country skis or snowshoes and travel the North Grove trail or the 3.5 mile loop out the park road and back through the campground.


Join CBTA !

Support from members helps the Calaveras Big Trees Association fulfill its mission of delivering high quality educational and interpretative programs at Calaveras Big Trees State 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 (beginning October 1st) in the Visitor Center store and the Big Tree Bulletin published three times a year.

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 join, please click here to read about the different levels of membership and then to complete the application online or click here to download an application.  Thank you all for all of your support.  We couldn’t do it without you!  Please call the office at 209-795-1196 if you have any questions.

Support CBTA While You Shop

Now you can help Support Calaveras Big Trees Association as you Shop!

We now have several different programs that are easy to join that allow a percentage of your purchases to be directed to Calaveras Big Trees Association


The owners of Sierra Hills Market and Angels Food Market have generously made available the Escrip program to benefit local non-profit organizations through the use of the Escrip Community Card.  When you use your the card, CBTA has the ability to earn up to 5% of monthly purchases when you shop at either market.  How easy is that!  Just show your card or give the clerk your phone number and you help support CBTA.  Once you are enrolled, you can go online and find out about other benefits of the Escrip program.

To sign up simply down load the  form Escrip Form here, fill it out and take it with you the next time you shop at Sierra Hills or Angels Food Markets,  or you may sign up in the store.  Please indicate Calaveras Big Trees Association as your desired beneficiary.


S.H.A.R.E.S is an acronym for Supporting Humanities, Arts, Recreation,  Education and Sports and is Save imagesMart’s way of
giving back to the community.  Again, when you present this card at checkout, a percentage of your purchase is directed to CBTA.



If you shop at, you can now support CBTA by shopping at AmazonSmile.  Everything like Amazon Prime works just the same once you are

When first visiting AmazonSmile, you will  be prompted to select a charitable organization from almost one million eligible organizations.  For eligible purchases at AmazonSmile, the AmazonSmile Foundation will donate 0.5% of the purchase price to the customer’s selected charitable organization.

Click Here to get started.

However you choose to do it, it is a painless way to help CBTA continue its efforts to provide outstanding interpretive and educational programs at Calaveras Big Trees State Park.  Thank you for your continued support.  Please call the office with any questions at 209-795-1196.