Events
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Optical Astronomy Nights
Optical Astronomy Nights at Big Trees. You bring a chair and a blanket, we'll bring the telescopes, and together we'll explore the night sky! Meet at the scenic overlook and come early for best parking.
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Optical Astronomy: Dark Sky
Overlook 1170 East Highway 4, Arnold, CA, United StatesMay 14, 2026 (Thursday) at 8:30 PM | Calaveras Big Trees State Park Join us for our first Dark Sky Astronomy Night of 2026. Experience the magic of a truly dark sky at Calaveras Big Trees State Park on May 14, 2026 at 8:30 PM. Far from city lights and surrounded by towering sequoias, [...]
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Optical Astronomy: Moon Night
Overlook 1170 East Highway 4, Arnold, CA, United StatesMay 21, 2026 (Thursday) at 8:00 PM | Calaveras Big Trees State Park Join us for our first Moon Night of 2026. Grab a chair and a blanket and head out under the stars! Our volunteers will have telescopes ready for a guided night sky exploration. Whether you're a seasoned stargazer or a first-timer, [...]
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2026 UC California Naturalist Course Registration:
Ralston Classroom 1170 East Highway 4, Arnold, CA, United StatesThe California Naturalist Program is returning to Calaveras Big Trees State Park for an unforgettable journey into the heart of the Sierra Nevada’s ecology. This immersive course combines an engaging science curriculum with hands-on field experiences, creative problem-solving, authentic citizen science projects, and meaningful community service. Program Dates Thursdays: May 28, June 4, 18 & [...]
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Conservation Ambassadors’ Wild Things
Campfire CenterYour favorite wild neighbors are coming to the park A Special Event at Calaveras Big Trees The incredible team from Conservation Ambassadors' Wild Things is returning to Calaveras Big Trees State Park, and they're bringing some of the most fascinating animal ambassadors you'll ever meet up close. From a baboon who loves a good balance [...]
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Optical Astronomy: Dark Sky
Overlook 1170 East Highway 4, Arnold, CA, United StatesJune 11, 2026 (Thursday) at 8:30 PM | Calaveras Big Trees State Park Join us for our Dark Sky Astronomy Night. Experience the magic of a truly dark sky at Calaveras Big Trees State Park on June 11, 2026 at 8:30 PM. Far from city lights and surrounded by towering sequoias, led by our [...]
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Night Skies with Doc Nancy
Calaveras Big Trees Scenic Overlook 1170 East Highway 4, Arnold, CA, United StatesJune 13, 2026 (Saturday) at 9:00 PM | Calaveras Big Trees State Park Come look at the stars! Doc Nancy will share scientific information and tell stories as everyone gazes at the night sky. Meet us at the Scenic Overlook in the park, just a few miles past the Visitor Center. Bring a chair or [...]
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M. Kat Anderson – Author Seminar
Ralston Classroom 1170 East Highway 4, Arnold, CA, United StatesAuthor Talk with M. Kat Anderson A Special Morning at Calaveras Big Trees Join Us for an Author Talk with M. Kat Anderson The Calaveras Big Trees Association is delighted to welcome ethnobotanist and author M. Kat Anderson for a morning of inspiration and discovery. What does it mean to truly belong to a landscape, [...]
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Optical Astronomy: Moon Night
Overlook 1170 East Highway 4, Arnold, CA, United StatesJune 25, 2026 (Thursday) at 9:00 PM | Calaveras Big Trees State Park Join us for our Optical Astronomy Night - Moon Night. This program invites you to gaze at the moon and the surrounding night sky through our telescopes. Bring a chair, a blanket, and your sense of wonder. Please arrive early — [...]
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Night Skies with Doc Nancy
Calaveras Big Trees Scenic Overlook 1170 East Highway 4, Arnold, CA, United StatesJuly 3, 2026 (Friday) at 8:30 PM | Calaveras Big Trees State Park Come look at the stars! Doc Nancy will share scientific information and tell stories as everyone gazes at the night sky. Meet us at the Scenic Overlook in the park, just a few miles past the Visitor Center. Bring a chair or [...]