Events
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Birding With Bruce 2025
Calaveras Big Trees Visitors Center 1170 E. Highway 4, Arnold, CA, United StatesBird lovers rejoice! Our volunteer docent Bruce McClenahan will continue the Thursday 9:30am guided bird walks, conditions permitting. Meet Bruce at the Visitor Center on Thursday mornings for a roughly hour-long, easy walk to learn about bird watching and what birds we have here. Call 209-795-7980 for more information.
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Birding With Bruce 2025
Calaveras Big Trees Visitors Center 1170 E. Highway 4, Arnold, CA, United StatesBird lovers rejoice! Our volunteer docent Bruce McClenahan will continue the Thursday 9:30am guided bird walks, conditions permitting. Meet Bruce at the Visitor Center on Thursday mornings for a roughly hour-long, easy walk to learn about bird watching and what birds we have here. Call 209-795-7980 for more information.
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Optical Astronomy Nights
The Sept 4th date has been cancelled due to air quality concerns from local fires.
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Birding With Bruce 2025
Calaveras Big Trees Visitors Center 1170 E. Highway 4, Arnold, CA, United StatesBird lovers rejoice! Our volunteer docent Bruce McClenahan will continue the Thursday 9:30am guided bird walks, conditions permitting. Meet Bruce at the Visitor Center on Thursday mornings for a roughly hour-long, easy walk to learn about bird watching and what birds we have here. Call 209-795-7980 for more information.
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Birding With Bruce 2025
Calaveras Big Trees Visitors Center 1170 E. Highway 4, Arnold, CA, United StatesBird lovers rejoice! Our volunteer docent Bruce McClenahan will continue the Thursday 9:30am guided bird walks, conditions permitting. Meet Bruce at the Visitor Center on Thursday mornings for a roughly hour-long, easy walk to learn about bird watching and what birds we have here. Call 209-795-7980 for more information.
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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 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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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 [...]