Join the Locke Foundation for its Asian Pacific Spring Festival in Locke. Enjoy lion dances, martial arts, taiko drumming, music, arts and crafts, and food. Admission and parking are free. […]

Music (Deer Valley Jazz Band, Charged Particles, Frankie G and the Conviction, Stratify, MJ's Brass Boppers), artisan vendors, food trucks, and beer and wine. Williamson Ranch Park is located at […]

Enjoy Antioch cuisine, live music and entertainment, family-friendly activities, craft beer and cocktails, and more at West 2nd and G streets in Antioch. More information.

Take a trip back through time and tule with a State Parks interpreter at the Delta Meadows Park Property! Meet in the Delta Meadows parking lot at 9 a.m. before […]

Vessel safety checks, nautical swap meet, boat demos, photo booth, talk to local marine law enforcement and first responders, local river businesses, lifejacket giveaway, prizes. To participate in the swap […]

Join the Contra Costa County Historical Society Book Club for its fifth meeting, featuring a discussion of Beneath Tangled Vines by Dan Hanel. A field trip will also take place to […]

Celebrate the rebirth of the Isleton Asian District 100 years after the 1926 fire that destroyed the two blocks of Chinatown and Japantown. Event includes lunch and a guest speaker. $100 per person, payable by check to Isleton Museum, P.O. Box 933, Isleton CA 95641. RSVP by May 9 to Sharon Fong at sharonfong13@icloud.com.

The Yolo Bypass Wildlife Area tours are hosted on the third Sunday of the month from October through June. Learn about migratory bird species, flood management techniques, agricultural practices, native plants of the wetlands and more! Please dress in layers as weather can be unpredictable. Registration required; more information here.

The Annual Members Meeting and Potluck is an opportunity to share stories about Delta foodways, and food! The organizers invite you to bring: A dish connected to your Delta roots A family recipe (written or remembered) A story about someone who grew, harvested, packed, processed, transported, cooked, or served food in the Delta A photograph, […]

Join Big Break for a monthly social hour featuring themed mocktails, hors d’oeuvres, an art activity, and an evening stroll in the park. This drop-in program is held every third Thursday of the month and meets at the Visitor Center. The event is free and open to adults ages 18 and older.

Join Wild Spirit Recreation for an evening paddle at the Cosumnes River Preserve to watch bats emerge at sunset. Guided by experienced California Naturalists, the trip offers an opportunity to connect with nature and experience the landscape from the water. A limited number of boats are available, and participants may bring their own watercraft. The […]

Celebrate free flowing rivers and migratory fish! Join communities from around the world on World Fish Migration Days. View flyer (PDF) Enjoy a day flowing with free educational activities for the whole family • Watershed Stewards Program restoration project • Fish on the Floodplain nature walks • Salmon Life Cycle bracelet making • Fish hats, […]