Volunteer Outdoors in Palo Alto at Pearson-Arastradero Preserve

Sat · Oct 24·9 AM – 12 PM·Lagunita BBQ Pit , Lomita Drive, Stanford CA 94305 · Palo Alto

Volunteer at Lagunita BBQ Pit for a Halloween‑themed trash pick‑up and invasive‑weed removal, protecting salamander habitat; wear protective gear and costume for prize.

Sat · Oct 24·9:20 AM – 12:20 PM·140 Searsville Road, 140 Searsville Road Stanford CA · Palo Alto

Guided contemplative hike through Jasper Ridge Biological Preserve led by a docent, with carpool shuttle, focusing on nature’s impact on emotional health.

Sat · Oct 24·10 AM – 1 PM·EcoCenter, 2560 Embarcadero Road · Palo Alto, CA

Explore spooky critters with hands‑on spider, snake and owl activities, interactive touchscreens and a Baylands Marshcam at the EcoCenter.

Sat · Oct 24·5:30 AM – 9:30 AM·Stanford Theatre Palo Alto (classic film)

On the Waterfront (Stanford Theatre, Palo Alto) — Classic film screening.

Sat · Oct 24·9:30 AM – 11:30 AM·O'Donohue Educational Farm, 175 Electioneer Rd, Stanford, CA 94305 · Palo Alto

Volunteers work on weeding, planting, irrigation, composting, mulching and flower deadheading at O'Donohue Educational Farm, ages 10+, with guardians required for 10‑14‑year‑olds.

Sat · Oct 24·12:20 PM – 3:20 PM·140 Searsville Road, 140 Searsville Road Stanford CA · Palo Alto

Free guided contemplative hike through Jasper Ridge Biological Preserve, led by a docent for ten‑person groups, exploring natural history and research on nature’s impact on emotional health.

Sat · Oct 24·9 AM – 12 PM·Cooley Landing Education Center, 2100 Bay Road, East Palo Alto, CA, 94303

Grassroots Ecology volunteers work to increase biodiversity at Ravenswood Open Space Preserve, meeting at Cooley Landing Education Center.

Sat · Oct 24·10 AM – 3 PM·Dana Center at Hidden Villa, 26870 Moody Road, Los Altos Hills, CA, 94022

Plant sale at Hidden Villa's Dana Center offers native plants for the season, partnered with the California Native Plant Society.

Fri · Oct 30·5:30 PM – 8:30 PM·Pearson-Arastradero Preserve, 1530 Arastradero Road, Palo Alto, CA, 94304

Night hike at Pearson-Arastradero Preserve offers after‑dark nature exploration in a spooky Halloween spirit.