Environmental Education Center Open House

Sat · Oct 24·Quinlan Community Center, 10185 North Stelling Road, Cupertino, CA, 95014

Monster Mash (Quinlan Community Center) — Costume‑clad participants enjoy games, trick‑or‑treating, spooky crafts, and pumpkin decorating, all ages.

Sat · Oct 24·De Anza College, 21250 Stevens Creek Blvd, Cupertino, CA 95014

Dia de los Muertos altar honoring Latinx STEM ancestors displayed at the De Anza Planetarium.

Sat · Oct 24·10:30 AM – 11 AM·Cupertino Library, Room 101, Cupertino

Stories, songs, rhymes, and dances fill Cupertino Library’s Room 101, encouraging early literacy development, for all ages.

Sat · Oct 24·2:30 PM – 3:30 PM·Fujitsu Planetarium at De Anza, De Anza College, 21250 Stevens Creek Blvd, Cupertino, CA 95014

Big Bird guides Elmo, Hu Hu Zhu, audience through Sun, Moon, and Big Dipper lessons before a rocket launch to Moon at Fujitsu Planetarium, ages 4 and up.

Sun · Nov 1·McClellan Ranch Preserve, 22221 McClellan Rd, 95014 · Cupertino

Naturalist leads a walk at McClellan Ranch Preserve exploring Steelhead life cycle, riparian habitat, historical context, and aquatic insect water‑quality identification.

Sat · Nov 7·McClellan Ranch Preserve, 22221 McClellan Rd, 95014 · Cupertino

Park Rangers lead a bird‑identification hike through McClellan Ranch Preserve’s riparian trails, spotting Red‑Shoulder Hawks, Screech Owls and other species; registration required, adults accompany children.

Fri · Oct 23·3:30 PM – 5 PM·GUADALUPE RIVER PARK AND GARDENS · San Jose

Guadalupe Gardens Workday at Guadalupe River Park and Gardens, San Jose — community garden maintenance and planting.

Wed · Oct 28·Quinlan Community Center, 10185 N. Stelling Road, 95014 · Cupertino

2026 Cupertino Community Service Awards (Quinlan Community Center) — ceremony recognizing 2026 CREST Awards and City Commissioners who served on a commission.

Sat · Oct 31·Cupertino

International Kung Fu & Taijiquan Day in Cupertino offers youth Kung Fu lessons, senior Taijiquan lessons, and a Kung Fu arts showcase. Free, ages 55 and up.

Sat · Oct 31·McClellan Ranch Preserve, 22221 McClellan Road, 95014 · Cupertino

Blacksmith fires the forge at McClellan Ranch Preserve, demonstrating early Cupertino history and the craft of blacksmithing.