World Fish Migration Day at the Cosumnes River Preserve in Galt
2026-05-30 09:00 - 14:00 (America/Los_Angeles) | Cosumnes River Preserve, 13501 Franklin Blvd, Galt, CA, 95632, United States
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, Fish printing, Fish games, and more
• CA Fly Fishers Unlimited demonstration fly tying
• US Fish & Wildlife Service displays and activities
• CA Department of Fish & Wildlife displays and activities

Biodiversity Hike at Delta Meadows in Locke
2026-06-06 12:00 - 13:30 | Delta Meadows Park Property, 13971 River Rd, Walnut Grove, CA, 95690, United States
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 that will take an hour and a half to complete. Please wear comfortable shoes and appropriate clothing for the weather, and remember to bring water and a snack. Please also be aware that there are no public restrooms at Delta Meadows. Admission to Delta Meadows and participation in the program are completely free!

Hercules Cultural Festival
2026-06-07 11:00 - 18:00 | Hanna Ranch Park, 2480 Refugio Valley Road, Hercules, CA, United States
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 purchase. More information.

Explore Historic Locke as Part of State Parks Week
2026-06-12 11:00 - 12:30 | Locke Boarding House, 13916 Main St, Walnut Grove, CA, 95690
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 past.

Fishing 101 at Brannan Island near Rio Vista
2026-06-13 09:00 - 10:30 | Brannan Island State Recreation Area, 17645 Highway 160, Rio Vista, CA, 94571, United States
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 out a California State Parks pass from your local library. Bring sunscreen, hat, and drinking water. Meet at the Brannan Island swim beach pier.

Martinez Beaver Festival
2026-06-13 10:00 - 15:00 | Susana Park, Susana St & Estudillo St, Martinez, CA, 94553, United States
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, bees, and bats, and family-friendly activities. Children can earn a “Beaver Pond Totem” by learning about how beavers help water systems and painting their own tail. Adults can explore wildlife booths and learn about urban wildlife and beavers in the area.
The festival also features a silent auction with unique treasures and family adventures, and chalk artist Amy Gallaher Hall will be creating a beaver mural.

Intro to Canoeing/Paddling at Brannan Island near Rio Vista
2026-06-13 11:00 - 13:00 | Brannan Island State Recreation Area, 17645 Highway 160, Rio Vista, CA, 94571, United States
As part of California State Parks Week, learn how to pilot a canoe, key safety points, proper oar strokes and more. Take one of the Park’s canoes on a guided paddle on Seven Mile Slough. Equipment and life vests are provided. Registration is required. $10 vehicle entry fee, or free entry when you check out a California State Parks pass from your local library. Bring sunscreen, a hat, and drinking water. Meet at the Brannan Island Swim Beach.

Opening Reception: The Art of Tony DeZuniga in Stockton
2026-06-18 18:30 | Haggin Museum, 1201 N Pershing Ave, Stockton, CA, 95203, United States
An opening reception at the Haggin Museum highlights the art and legacy of comic artist and illustrator Tony DeZuniga (1932–2012). A pioneering Filipino comic artist and illustrator, DeZuniga made his home in Stockton after he retired. There, he became a mentor to young, emerging artists and continued to inspire creativity long after his storied career.
Sip wine, enjoy light bites, and immerse yourself in the dynamic, striking artwork of this influential artist. Program is included with cost of museum admission. More information.

Sip and Stroll in Oakley
2026-06-18 18:30 - 20:00 | Big Break Regional Shoreline, 69 Big Break Rd, Oakley, CA, 94561
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.

King of the County BBQ & Music Festival in Martinez
2026-06-19 11:00 - 2026-06-21 19:00 | Waterfront Park, 245 N Court St, Martinez, CA, 94553, United States
King of the County is a full-blown BBQ and music celebration that brings the whole community together. Enjoy live music, kids rides and activities, arts and craft vendors, tasty snack booths, and of course, some of the best BBQ you will find anywhere. Parking and admission are free. More information.

Brentwood Juneteenth Celebration
2026-06-19 16:00 - 20:00 | CA
Celebrate Juneteenth in Brentwood with music, craft vendors, kids activities and education booths. More information.

Juneteenth - a Freedom Celebration in Antioch
2026-06-19 16:00 - 20:00 | Antioch Williamson Ranch Park, Antioch, CA, 94531, United States
Celebrate Juneteenth with music, games and rides and vendors. More information.

Tour of the Yolo Bypass Wildlife Area
2026-06-21 09:00 - 12:00 | Yolo Bypass Wildlife Area Headquarters, 45211 Chiles Road, Davis, CA, 95618, United States
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.

Sunset Bat Flyout Paddle at Cosumnes River Preserve (Galt)
2026-06-26 18:30 - 21:00, 2026-06-27 18:30 - 21:00, 2026-07-02 18:30 - 21:00, 2026-07-03 18:30 - 21:00, 2026-07-17 18:30 - 21:00, 2026-07-18 18:30 - 21:00 | Cosumnes River Preserve, 13501 Franklin Blvd, Galt, CA, 95632, United States
Wild Spirit Recreation leads a paddle to witness the mesmerizing sunset bat flyout at Cosumnes River Preserve. Guides are experienced California naturalists. A limited number of boats are available. Fees are $76.54 and will be reduced 25% for those providing their own watercraft – message the organizers for a promo code. More information.

Pittsburg First Fridays
2026-07-03 17:30 - 19:30 | Pittsburg Marina, 200 Marina Blvd., Pittsburg, CA, 94565
First Fridays at the Pittsburg Marina are a beloved summer tradition, bringing together locals and visitors for an evening of wine, art, music, and culture. Local wineries pour their finest selections while artisans and vendors showcase unique crafts, creating a vibrant atmosphere along the waterfront. More information.

Hilton Foundation Fireworks at Mandeville Tip County Park
2026-07-03 19:30 - 23:00 | Mandeville Tip County Park, Stockton, CA, 95219
Admission to the popular annual Barron Hilton Fireworks Display at Mandeville Island is free. Learn more.

City of Martinez July 4 Activities: Parade and Fireworks
2026-07-04 09:00 - 22:00 | Downtown Martinez, 626 Main St, Martinez, CA, 94553-1129, United States
The City of Martinez is pleased to announce its 2026 Independence Day Celebration, featuring a full day of events for residents, families, and visitors. This year’s festivities honor two important milestones: the 250th anniversary of the United States and the 150th anniversary of the City of Martinez. The community is invited to celebrate with a series of events taking place on Saturday, July 4, 2026. More information.

Brentwood July 4 Parade & More
2026-07-04 09:30 - 15:00 | Brentwood City Park, 710 2nd Street, Brentwood, CA, 94513, United States
Join the City of Brentwood and community partners for a citywide celebration commemorating the 250th anniversary of the United States. Throughout the event, guests will experience exhibits, activities, performances, and displays that explore the theme Agricultural Roots & The American Dream. More information.

Antioch July 4 Parade & Fireworks
2026-07-04 16:00 - 21:30 | Waldie Plaza, Waldie Plaza, Antioch, CA, 94509
Join the City of Antioch in celebrating Independence Day in historic Rivertown. Gather your friends, family, organization, or business and enjoy a festive day of community pride and patriotic fun. After the parade, stick around for a day packed with a Kid Zone, delicious food vendors, live music, and an unforgettable fireworks show to cap off the celebration! More information.

Hometown Heroes Safety Expo in Brentwood
2026-07-11 10:00 - 16:00 | Los Medanos College, Brentwood Campus, 1351 Pioneer Square, Brentwood, CA, 94513, United States
Join the Brentwood Chamber of Commerce for its Hometown Heroes Safety Expo.
This event will be held on July 11, 2026, at Los Medanos College and will be supporting our local heroes from 10 a.m. to 4 p.m.
According to the Chamber:

Hometown Heroes Safety Expo brings together law enforcement, fire, emergency medical, and public safety professionals for a dynamic community event celebrating the men and women who protect our city every day. Held at Los Medanos College on July 11, 2026, this free public expo features live demonstrations, safety training, family-friendly activities, and direct engagement with the agencies that serve our region. Whether you’re a resident, business owner, or future first responder — this is your chance to connect, learn, and honor the heroes in your own backyard. More information.

Mutiny at Port Chicago: Black Resistance and Redemption
2026-07-11 13:00 - 15:00 | Oakland Museum, 1000 Oak St, Oakland, CA, 94607, United States
Step back in time and explore the pivotal story of the East Bay’s Port Chicago Sailors at Mutiny at Port Chicago: Black Resistance and Redemption at the Oakland Museum of California.
Experience the powerful 1999 film “Mutiny,” produced by Morgan Freeman, which tells the true story of the Port Chicago Sailors and their courageous stand against racial injustice during World War II.

Following the screening, actor David Ramsey — best known for his starring roles in Arrow, Blue Bloods, and Dexter — will join for a special conversation. Ramsey stars in “Mutiny” as one of the leaders of the Port Chicago 50, the group of sailors whose protest became a defining moment in the struggle for civil rights in the U.S. military.
This special event commemorates Oakland’s officially designated Port Chicago Remembrance Day and concludes with a panel discussion.
Gear up for an afternoon of film, conversation, and historical insight, hosted in partnership with the Oakland Museum of California. It’s perfect for history enthusiasts, students, families, and anyone interested in one of the most important yet underrecognized civil rights stories of World War II.
More information.

Delta Mural Trail Unveiling in Hood
2026-07-17 16:00 - 20:00 | The Hood Supply Company Bar & Grill, 10761 Franklin Road, Hood, CA, 95639, United States
The Hood Community Council along with its partners would like to welcome you to the unveiling of the Delta Mural Trail in Hood.

Festivities will be held in the evening. More information.

Learn to Fish at Brannan Island SRA
2026-07-18 09:00 - 11:00 | Brannan Island State Recreation Area, 17645 Highway 160, Rio Vista, CA, 94571, United States
Join State Parks and CDFW at this Learn to Fish/Fishing in the City Program event at Brannan Island SRA. All ages are welcome, but ages 16 and over must present a valid fishing license. After arriving, drive straight back to the roundabout dead-end by the wooden pier and meet at the Picnic Area. For more information, visit the Brannan Island SRA page.

LoopFest on Brannan Island
2026-07-18 11:00 - 16:00 | The Delta Loop, 964 Brannan Island Road, Brannan Island, CA, 95641, United States
Join the Delta Loop at the 2026 LoopFest, celebrating America’s 250th!
The day of activities will begin at 11 a.m. at the B & W Resort Marina and will wrap up at the Lighthouse Grill at 4 p.m.
All sorts of activities will be available, including piglet petting, bingo, a parade, a car show, live music, karaoke, raffles, and more. These events will take place all day at Delta Loop marinas.
Be sure to check out the art by Delta photographer Ryan Christopher Jones at the open studio gallery at Korth’s Gift Shop.
More information.

Locke Chinese School Plaque Dedication Ceremony
2026-07-18 12:00 - 13:00 | Locke Chinese School, 13920 Main St, Walnut Grove, CA, 95690, United States
Come to picturesque and historic Locke for this meaningful event presented by the Locke Foundation.

There will be music, treats, and good folks. This event is free and all are welcome.
Enjoy live music presented by The Mighty Wallops! More information.
