BIG BREAK: Celebrate these unique flighted mammals with a craft and a walk through the park. Elevation Change: 0-500 feet Length of Hike: 0.5-2miles Type of trail: Paved/Generally flat Wear comfortable shoes and bring water bottle. Drop-in program, no registration. Free program. Meet at the Visitor Center. Adult participation required. For more information, call (510) 544-3050.
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Explore the natural world through storytelling, craft a puppet, create a story, and watch a seasonal puppet show at Big Break’s Visitor Center; adult participation required.
Explore underground coal mines on free, first‑come tours at Black Diamond Mines Greathouse Visitor Center, with additional activities for non‑tourers; $5 parking per vehicle, for all ages.
Nature-based crafts explore the hidden Delta at Big Break’s Visitor Center, free, adults only.
Guided birding walk at Marsh Creek’s paved, flat trail offers immersive avian biodiversity experience for novice and seasoned birders, free drop‑in for ages 18+.
Guided naturalist walk at Marsh Creek Regional Trail Cypress Staging Area showcases local bird biodiversity for novice and seasoned birders, free drop‑in, adult participation required, all ages.
Contribute to a community altar at Doug Siden Visitor Center, Crab Cove, by gluing a photo in a paper frame or writing a name on a butterfly.
Field training at Monarch Bay Golf Course teaches volunteers to count overwintering monarchs as community scientists after completing Xerces Society’s virtual session, for ages 18 and up.
Explore seasonal wetland changes on a 0.5‑2‑mile walk at Big Break Visitor Center; bring water, wear shoes, free, adult participation required, ages 5 and up.
At Ardenwood, greet sheep and goats and help prepare a morning snack for the farm animals; drop‑in, no registration, disabled accessible, admission fee applies.
Make felted pumpkins at Ardenwood’s drop‑in craft session, decorating homes with woolly fall creations; admission fee applies, disabled accessible.
