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, […]

Join a State Parks interpreter for a Delta Meadows Biodiversity Hike. Learn about native and invasive species, the importance of biodiversity, and how the history of the Delta Meadows property has influenced the plants and animals that live there today. Meet in the Delta Meadows parking lot at noon before departing on a 1-mile hike […]

This free community event features martial arts, cultural dance groups and live music. More than 50 vendors and exhibitors will be on site, including 17 food vendors serving everything from Shaw's Texas Style BBQ and Hella Bomb Tacos to Sushi Obsession, Kona Ice, and Menchie's Dole Whip Floats. Margaritas and beer will also be available for […]

As part of California State Parks Week, explore the fascinating town of Locke, California, on a walking tour with park staff and learn about the United States’ only remaining rural community built by and for Chinese immigrants. Walk the Main Street and immerse yourself in Locke’s unique architectural setting while listening to stories of the […]

As part of California State Parks Week, you can learn all about fishing! The hosts provide the equipment and expertise to guide you through the basics of fishing gear, knot tying, casting your line, types of fish in the Delta, and more. Registration is required. $10 vehicle entry fee, or free entry when you check […]

Celebrate the 17th annual Martinez Beaver Festival at Susana Park! Enjoy live music ranging from Irish folk to big band, interactive exhibits including a giant mobile fish tank, rare birds, […]