Visitor Center Summer Hours Visitor CenterĀ Summer Hours As of May 1, 2023 Open Daily – 10am – 5pm bigtreesCBTA2023-05-24T14:01:13-07:00 Related Posts Upcoming Seminars and Events Gallery Upcoming Seminars and Events Year-Round Giving Challenge Gallery Year-Round Giving Challenge Never Too Late Gallery Never Too Late 10-26-2022 UPDATE – Prescribed Burning at Calaveras Big Trees State Park Gallery 10-26-2022 UPDATE – Prescribed Burning at Calaveras Big Trees State Park 2022 Quilt Winner Gallery 2022 Quilt Winner