August 20, 2026 (Thursday) at 7:30 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 — [...]

September 10, 2026 (Thursday) at 7:30 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 September 10, 2026 at 7:30 PM. Far from city lights and surrounded by towering sequoias, led by our [...]