Visit the California Delta

Tractor Fest
2025-10-11 09:00 - 14:00 (America/Los_Angeles) | San Joaquin County Historical Museum in Micke Grove Park
Hands-on tractor show, tractor parade, kids activities, food trucks.

Downtown Brentwood Coalition Oktoberfest
2025-10-11 13:00 - 19:00 | CA
Sierra Nevada Biergarten, live bands, Fun Zone including craft stations, local performers, demonstrations, wiener dog costume parade, one-man circus and more.

89th Annual Walnut Festival
2025-10-16 - 2025-10-19 | Antioch Fair Grounds
Family-friendly entertainment, live music, carnival with more than 15 rides, Kid Zone, artists, craftsmen, designers, jewelers, builders, food specialties, craft beer garden and more. (temporarily relocated this year from Walnut Creek)

Brentwood Rotary Hosts Digs & Rigs
2025-10-18 09:00 - 13:00 | Cornerstone Church Parking Lot 6641 Lone Tree Way Brentwood CA
Hands-on experience invites kids and families to explore and climb on construction equipment, utility trucks, emergency vehicles and more.

Delta Bay Foundation's Flora, Fauna, & Fun
2025-10-18 10:00 - 16:00 | Brannan Island State Recreation Area, 17645 Highway 160, Rio Vista, CA, 94571, United States
A fall celebration of the natural beauty, agricultural richness, and cultural history of the California Delta.

Falloween in Antioch
2025-10-18 14:00 - 18:00 | Antioch Water Park, 4701 Lone Tree Way, Antioch, CA, 94531, United States
Trunk or treating, games, costume and pumpkin-carving contests face painting. Event website.

Pawstoberfest in Brentwood
2025-10-19 11:00 - 18:00 | Brentwood Downtown City Park, 150 City Park Way, Brentwood, CA, 94513
Activities, treats, pets!

Friends of the Library Fall Book Sale
2025-10-25 08:00 - 2025-11-01 09:00 | Rio Vista Library, 44 S 2nd St, Rio Vista, CA, 94571, United States
50 cents per item, three for $1, or a brown paper bag full of books for $5.

Rivertown Trunk or Treat Car and Bike Show in Antioch
2025-10-25 10:00 - 16:00 | 708 West 2nd St., Antioch, 708 West 2nd St., Antioch, CA, United States
Pet costume contest, kids costume contest, store to store trick or treating, monster truck rides, kids zone, music, vendors.

Hometown Halloween in Brentwood
2025-10-25 16:00 - 20:00 | Oak and First streets, Brentwood
Trick or treating.

Tree Planting
2025-11-08 10:00 - 13:00 | Airport Road & Baumann Road, Airport & Baumann Road, Rio Vista, CA, 94571, United States
Sustainable Solano and the Rio Vista Youth Air Protectors help plant trees along Airport Road to improve walkability and air quality.

First People of the Delta: Indigenous Histories of the Sacramento Region
2025-11-15 14:00 - 16:00 | Jean Harvie Community Center, 14273 River Rd, Walnut Grove, CA, 95690, United States
A conversation about how the Sacramento-San Joaquin Delta’s vibrant Indigenous communities’ deep knowledge of the land and waterways sustained them for generations. A free event presented by the Sacramento River Delta Historical Society.
Email srdhspresident@gmail.com for more information.

Big Break Star Party
2025-11-22 17:30 - 20:30 | Big Break Regional Shoreline, 69 Big Break Rd, Oakley, CA, 94561
A special evening of stargazing at Big Break Regional Shoreline. Visitors will discover constellations and “learn about our place in the galaxy.” Only red light headlamps or red lens flashlights are allowed – white light disrupts the group’s night vision. This is a free drop-in program – no registration is required. For information call (510) 544-3050.

The Cocoa with CoCo authors Book Fair
2025-11-29 11:00 - 14:00 | Contra Costa County Historical Society, 724 Escobar St, Martinez, CA, 94553, United States
A conversation with Contra Costa County authors. Also featured – rare and collectible books for purchase. For more information call (925) 229-1042.

43rd Annual Holiday Parade & Tree Lighting
2025-11-29 17:00 - 19:00 | Downtown Brentwood, 35 Oak St, Brentwood, CA, 94513, United States
This annual event features illuminated floats, community groups, and a variety of holiday-themed attractions. Parade route starts on First Street, goes through downtown Brentwood, and ends on Brentwood Blvd. at Oak St. A Christmas tree lighting ceremony in City Park follows the parade.

Santa Trains in Suisun City
2025-12-05 11:30 - 2025-12-21 18:30 | Western Railway Museum, 5848 California 12, Suisun City, CA, 94585, United States
The Western Railway Museum offers its annual holiday “magical winter train rides,” followed by an indoor light show and a chance to meet Santa Claus and slurp homemade cocoa.

Olde Tyme Christmas Faire in Rio Vista
2025-12-06 10:00 - 2025-12-07 16:30 | Rio Vista Museum, 16 N Front St, Rio Vista , CA, 94571
The 17th Annual Olde Time Christmas Faire comes back from December 6 to 7. Handcrafted items, baked goods and raffle prizes will be available.

Holiday Home Tour 2025 in Rio Vista
2025-12-06 11:00 - 16:30 | Rio Vista, 116 Main Street, Rio Vista, CA, 94571, United States
Self-guided tour of eight decorated homes, “decked out in their holiday best.”

Discovery Bay Parade-of-Lights
2025-12-06 17:30 - 20:30 | Discovery Bay, 1650 Discovery Bay Boulevard, Discovery Bay, CA, 94505, United States
Celebrate the season at Discovery Bay’s 23rd Annual Parade-of-Lights. The parade will feature festive floats starting at Discovery Bay Marina and finishing in front of the community tree.

Brentwood PAL Tamale Festival
2025-12-07 16:00 - 21:00 | Brentwood Community Center, 35 Oak Street, Brentwood, CA, 94513, United States
Brentwood Police Activities League is hosting its 2025 Brentwood PAL Tamale Fest. The event features all-you-can-eat tamales, rice, beans, and dessert.

Christmas Parade
2025-12-12 17:30 | Mel’s Mocha, 14131 River Rd, Walnut Grove, CA, 95690, United States
The Walnut Grove Fire Department presents its Christmas Parade, featuring Santa at Mel’s Mocha. Children 12 and under receive a free slice at the Pizza Factory. Parade starts at 5:30 p.m. For information, call Taylor VLS at 916-709-4653 or Guillermo Jr. at 916-270-5246, or email walnutgrovefd@gmail.com.

49th Annual Paul Schorr Memorial Holiday Run and Walk for Health
2025-12-13 | Contra Loma Regional Park, 1200 Frederickson Lane, Antioch, CA, 94509, United States
A cherished community event that promotes fitness and well-being. Founded 49 years ago by Tom Torlakson, this event honors the legacy of Paul Schorr, a dedicated race director who passionately supported local runners as well as local Kiwanis & Rotary members. Participants of all ages are encouraged to lace up their shoes and enjoy a day of fun camaraderie, and holiday spirit. Race information here.

Delta Meadows State Park Property Birdwalk in Walnut Grove
2025-12-13 09:00 - 13:00 | Delta Meadows River Park, Delta Meadows River Park, Walnut Grove, CA, 95690, United States
Join Parks interpreters for a light hike through the riparian oak woodlands and emergent wetlands of the Sacramento-San Joaquin Delta in search of the many bird species that call the Delta home.

Festive Drinks and Refreshments at Crockett Museum
2025-12-13 12:00 - 15:00 | Crockett Museum, 900 Loring Ave, Crockett, CA, 94525, United States
Crockett Museum opens at 10 a.m., but at noon, warm festive drinks and other refreshments will be served, and craft projects will be available to create. Take a break from shopping and enjoy meandering around the Museum! Museum website.

Tour of the Yolo Bypass Wildlife Area
2025-12-21 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.

Learn to Fish at Brannan Island SRA
2025-12-27 09:00 | Brannan Island State Recreation Area, 17645 Highway 160, Rio Vista, CA, 94571, United States
Learn to fish with Parks staff on Saturday, December 27 at 9 a.m. at the Brannan Island SRA fishing pier. Get a quick intro to gear, Delta fishing basics, and how to fish responsibly. You’ll also have the chance to catch your own fish with staff guidance.
The program is free, with park entry $10 (you can also check out a California State Parks pass from your local library for free admission). Loaner gear is first-come, and anyone 16 and older needs a valid fishing license from the California Department of Fish and Wildlife.

First Day Hike at Delta Meadows Park Property (Walnut Grove)
2026-01-01 10:00 - 12:00 | Delta Meadows Park Property, 13971 River Rd, Walnut Grove, CA, 95690, United States
Search the sky for the red-tailed hawks, venture through the emergent wetlands and riparian oak woodlands, hike to the boat launch and hopefully see some birds! This free 1-mile hike will take approximately 1 hour and 45 minutes. Bring comfortable shoes, warm clothing, water, and binoculars. No registration required. Find more First Day Hikes at parks.ca.gov/firstdayhikes.

Storytime at the Muir Mansion in Martinez
2026-01-02 13:00 - 13:30 | John Muir National Historic Site, 4202 Alhambra Ave, Martinez, CA, 94553, United States
Join a National Park Service ranger for a reading program about John Muir’s adventures and life in his mansion. After the program, you can explore the historic house and its surrounding scenery at your leisure.
This program is free, and no reservations are required.

Delta Meadows State Park Property Birdwalk in Walnut Grove
2026-01-10 09:00 | Delta Meadows River Park, Delta Meadows River Park, Walnut Grove, CA, 95690, United States
Join Parks staff for a guided birdwalk through Delta Meadows, led by a State Parks interpreter. Participants will explore wetlands, oak woodlands, and marshes while learning about local bird species and endangered habitats. The 1-mile walk is free and open to all ages and skill levels.

Walk and Talk hosted by Antioch Mayor Ron Bernal in Antioch
2026-01-10 10:00 - 12:00 | Black Diamond Mines Regional Preserve, 5175 Somersville Rd, Antioch, CA, 94509, United States
Join the East Bay Regional Park District and Antioch Mayor Ron Bernal for a 1-mile, naturalist-guided Walk and Talk at Black Diamond Mines Regional Preserve. Participants will explore the park’s history and scenery while learning about the physical and mental health benefits of spending time outdoors.
Parking will be available in the upper parking lot at the end of Somerville Road. To RSVP, contact govaffairs@ebparks.org.
