Altar Tour - 12:00 P.M.

Wed · Oct 7·10 AM · 2 PM·California State Parks (Bay Area units)

Altar Tour at California State Parks (Bay Area units).

Fri · Oct 30·9 AM – 1 PM·Wilder Ranch State Park, 1401 Coast Rd. Santa Cruz CA 95060

Guided birding walk (Wilder Ranch State Park) — Beginner-friendly 2.5‑mile hike with stops to view birds, plants, and scenery; bring binoculars and walking shoes; free, $10 vehicle day‑use fee.

Fri · Oct 30·7 PM – 8:30 PM·Samuel P. Taylor State Park, 8889 Sir Francis Drake BLVD, Lagunitas, CA 94938

Ranger leads night walk in Samuel P. Taylor State Park’s Azalea Day Use area, using loaned UV lights to reveal glowing wildlife; bring footwear, headlamp, camera, warm clothing.

Sat · Oct 31·9 AM – 12 PM·Jack London State Historic Park, 15000 Arnold Drive, Eldridge, CA 95431

Halloween dog costume contest and self‑guided B.A.R.K. Ranger activity at Sonoma Developmental Center Open Space, with prizes and pop‑up tent supplies.