Natural and Cultural History Walk at Cosumnes River Preserve
2026-09-05 09:00 - 11:00 (America/Los_Angeles) | Cosumnes River Preserve, 13501 Franklin Blvd, Galt, CA, 95632, United States
Join Cosumnes River Preserve docents on a guided 3.5-mile hike along the River Walk Trail and discover the natural and cultural history of this unique landscape.

This hike will take you back to the days when the Plains Miwok inhabited the lands surrounding the Cosumnes River. Along the way, you’ll learn about the plants and animals they interacted with and the unique ways they utilized the land as part of their everyday lives.
The route covers approximately 3.5 miles on relatively flat terrain. Participants who do not wish to complete the entire distance may turn around at any time. This is a great family-friendly activity for all ages!
Please dress for the weather and wear sturdy walking shoes. There is no potable water available along the trail, so be sure to bring all the water you will need for the hike.
More information.

Sunset Bat Flyout Paddle at Cosumnes River Preserve (Galt)
2026-09-11 18:30 - 21:00, 2026-09-12 18:30 - 21:00, 2026-09-18 18:30 - 21:00, 2026-09-19 18:30 - 21:00, 2026-09-25 18:30 - 21:00, 2026-09-26 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.

Celebrating California’s Biodiversity: A Walk at Cosumnes River Preserve
2026-09-12 09:00 - 11:00 | Cosumnes River Preserve, 13501 Franklin Blvd, Galt, CA, 95632, United States
Join Cosumnes River Preserve Volunteer Alison Hickox on a guided walk to learn about California’s biodiversity, and the role of the Cosumnes River Preserve in protecting and sharing it. From grizzly bears to fairy shrimp, California has a wealth of biodiversity and rich landscapes. Be sure to bring water, sun protection, and a friend. More information.

Delta Harvest Run in Brentwood
2026-09-13 06:00 - 11:00 | Brentwood Community Centre/City Hall, 35 Oak St., Brentwood, CA, 94513, United States
The Delta Association of Realtors Community Service Foundation hosts the Delta Harvest Run, a cherished community tradition that brings neighbors together to make a difference. This annual race is more than just a run—it’s a powerful way to give back. Every step you take supports East Contra Costa County food banks, shelters, and college scholarships for local high school students.

With flat and fast courses designed for all skill levels, the Delta Harvest Run offers something for everyone! Choose from a half marathon, 10K, 5K, and a bonus Family Fun Run. More information.

Bat Chat for California Biodiversity Day in Galt
2026-09-13 17:30 - 20:30 | Cosumnes River Preserve, 13501 Franklin Blvd, Galt, CA, 95632, United States
Join the Cosumnes River Preserve for an evening to learn all about bats! Discover the important role these fascinating creatures play in our ecosystem. This family-friendly event is a great way to learn about these important and fascinating nighttime creatures! More information.
Evening Schedule:
5:30 p.m. – 7 p.m. – Bat Discovery Festival with educational booths, exhibits, and family activities
7 p.m. – 8/8:30 p.m. – Bat Walk with Guides and bat detectors

Texas Hold 'Em Poker Tournament in Oakley
2026-09-18 18:00 - 21:00 | Oakley Recreation Center, 1250 O'Hara Ave, Oakley, CA, 94561, United States
The Rotary Club of Oakley’s 3rd Annual Texas Hold ‘Em Poker Tournament will raise funds for the Christmas food and toy drive.

Tickets are $80 per player and include a buffet dinner, one drink ticket, and tournament play. Must be 21 years old to play. More information.

Guided Paddle along the Cosumnes River
2026-09-19 08:00 - 12:00 | Cosumnes River Preserve, 13501 Franklin Blvd, Galt, CA, 95632, United States
Join experienced naturalists for a leisurely paddle along the Cosumnes River and its peaceful sloughs. This unique on-the-water experience offers an opportunity to explore one of California’s last free-flowing rivers while learning about the wildlife, plants, and history that make this area so special.

Participants must provide their own watercraft (canoe, kayak, or stand-up paddleboard), paddle, and properly fitted personal flotation device (PFD/life jacket). Participants should be comfortable paddling for several hours in outdoor conditions.
Please dress appropriately for the weather, bring plenty of water, sunscreen, and any snacks you may need during the paddle.
More information.

Heart of Oakley Festival
2026-09-19 11:00 - 16:00 | Oakley Civic Center Plaza, 3231 Main St., Oakley, CA, 94561
The Heart of Oakley Festival is an annual open air market that brings local makers, families, and community members together.

Join the city of Oakley as it highlights local businesses and community members during this event! More information.

Benicia Oktoberfest & Marketplace
2026-09-19 11:00 - 18:00 | First Street Green, Corner of 1st and E B St, Benicia, CA, 94510, United States
The Benicia Chamber of Commerce presents a day of German culture, food, music, and fun in the heart of downtown Benicia! Raise your steins and celebrate the spirit of Oktoberfest at First Street Green. Whether you’re a fan of bratwurst and beer or simply love a good time with family and friends, this community celebration has something for everyone. Don’t miss this unforgettable celebration of culture and community.

Costumes are encouraged and add to the festive vibe!
More information.

La Gran Fiesta in Brentwood
2026-09-20 12:00 - 19:00 | Brentwood City Park, 710 2nd Street, Brentwood, CA, 94513, United States
La Gran Fiesta brings together families, businesses, organizations, and community members to celebrate Hispanic Heritage Month and strengthen the Brentwood community spirit.

With over 6,500 attendees in 2025, La Gran Fiesta has become one of East Contra Costa County’s premier multicultural community events. Join the Brentwood Chamber of Commerce for a day filled with live entertainment, food trucks, artisan vendors, local businesses, a car show, and family-friendly activities for all.
More information.

Jean Harvie Community Center 100th Anniversary Celebration in Walnut Grove
2026-09-24 13:00 - 16:00 | Jean Harvie Community Center, 14273 River Rd, Walnut Grove, CA, 95690, United States
Join the Rotary Club of Walnut Grove as they celebrate 100 years of community, history, and connection at the Jean Harvie Community Center!

Enjoy an afternoon of historical displays and photographs, community stories, light refreshments, and a chance to reconnect with friends, neighbors, former students, and generations of community members.
Originally built as the Walnut Grove School in 1926, the Jean Harvie Community Center has been a cornerstone of the Delta for generations. From school days to community gatherings, celebrations, and special events, countless memories have been made within its walls. The Rotary Club of Walnut Grove invites you to help honor this historic milestone and celebrate the people and stories that have made this building so special. More information.

National Public Lands Day: Invasive Plant Removal by Canoe in Galt
2026-09-26 08:00 - 12:30 | Cosumnes River Preserve, 13501 Franklin Blvd, Galt, CA, 95632, United States
Celebrate National Public Lands Day by helping restore the Preserve’s waterways! Join Preserve staff for a unique, hands-on volunteer event where canoes will be used to remove invasive aquatic plants from around the recreation facilities, including the public dock and nearby waterways.

Volunteers will paddle through these areas to identify and remove invasive plant species that can impact water quality, crowd out native vegetation, and reduce habitat for wildlife. This important restoration work helps keep the waterways healthy while also improving access and enjoyment for visitors who use the Preserve’s recreational facilities.
No previous paddling or restoration experience is necessary. Preserve staff will provide canoes, paddles, life jackets, and all the tools needed for the project, along with instructions on paddling safely and removing invasive plants.
Please wear clothes and closed-toe shoes that can get wet or muddy, bring plenty of water, sun protection, and be prepared for light to moderate physical activity. More information.

Boots & BBQ in Antioch
2026-09-26 11:00 - 18:00 | Waldie Plaza, Waldie Plaza, Antioch, CA, 94509
Celebrate Antioch Foundation proudly presents the Boots and BBQ Festival. This event will feature live music, an amateur BBQ cook off competition, a cornhole tournament, line dancing with instruction, a kid zone, and a shaded beer and wine garden. Browse unique creations from our artisan vendors, sip your favorite beer or wine, and enjoy an unforgettable afternoon.

More information.

Community BBQ & Clothing & Food Drive in Brentwood
2026-09-26 17:00 - 19:00 | Veterans Park, 3841 Balfour Rd, Brentwood, CA, 94513, United States
Rage for Democracy is hosting a free community BBQ to bring neighbors together for food, connection, and local support. The event will include free hot dogs and chips, kid-friendly activities, music, and a beginner gardening class led by local community members.

Guests are welcome to stop by, meet neighbors, learn more about Rage for Democracy’s community outreach programs, and help support local families by bringing food bank-style donations or gently used clothing. The BBQ is part of Rage for Democracy’s ongoing effort to create welcoming, family-friendly spaces where people can connect, share resources, and build a stronger community together. More information.

Rio Vista Bass Derby Fishing Tournament
2026-10-02 06:00 - 2026-10-04 15:00 | Rio Vista Bass Derby, 33 N 2nd St, Rio Vista, CA, 94571, United States
Salmon is officially back on the roster for the 78th Annual Rio Vista Bass Derby, the oldest bass fishing tournament on the West Coast. This year’s three-day tournament combines high-stakes competition with a celebrated homecoming for West Coast anglers.
ADULTS: $50 to Enter. Fishing for Striped Bass: Each participating angler must purchase a ticket. Each adult angler must be 16 years or older. Hats are limited to the first 300 – first come, first served.
KIDS: $10 to Enter. Fishing for Striped Bass & Catfish: Each angler must be 15 years of age or younger and can weigh-in Striped Bass or Catfish. The first 50 ticket holders are eligible to receive a “Kids” Derby Hat.
More information

The Sacramento Century Challenge and Festival
2026-10-03 07:00 - 16:00 | Capitol Mall, Capitol Mall, Sacramento, CA
The Sacramento Century Challenge is the region’s premier cycling event, with 1,000+ riders annually. Presented by the Rotary Club of Sacramento, the 13th annual Sac Century Challenge will benefit the Sacramento Children’s Home Crisis Nursery program, which protects kids from child abuse and neglect.

The bike ride starts from Capitol Mall in downtown Sacramento and winds through the scenic Delta wine region to Isleton, then back to the Mall. There are four different routes: 100 mi., 63 mi., 36 mi., 16 mi.
There is a post-ride festival with live music, food, and beer and wine vendors. Ride or check out options for sponsoring, volunteering, or supporting this fundraiser for the Sacramento Children’s Home Crisis Nursery. More information.

Kids Fishing Derby in Antioch
2026-10-10 09:00 - 13:00 | Waldie Plaza, Waldie Plaza, Antioch, CA, 94509
The fishing derby provides the opportunity for kids 15 and younger to learn conservation and the basics of fishing competition that may spur an interest in future events. It is held in the memory of Antioch resident “Compy” Compomizzo, who inspired the mission statement: “Get kids hooked on fishing, not drugs or gangs.”
Register the day of the event to join in on this exciting afternoon filled with great catches! More information.

Note: If you have your own fishing poles, please bring them. For those who do not have fishing equipment, there will be poles for you to borrow.

The 2nd Annual Whiskey, Wine & Family BBQ in Brentwood
2026-10-10 13:00 - 17:00 | De Luna Ranch, 7540 Balfour Rd., Brentwood, CA, 94513, United States
This is the 2nd annual St. Anne’s Women’s Fellowship BBQ at De Luna Ranch.

It’s fun for the whole family as the experience includes wine and whiskey tastings. This event includes food, music, line dancing, and fun designed for the younger members in the crowd. Tickets are $70.
Special pricing for kids under 16 and for families and special meal for those under 5. More information.

MOMS Club's Trunk or Treat in Antioch
2026-10-10 14:00 - 16:30 | Antioch Community Center, 4703 Lone Tree Way, Antioch, CA
Join the MOMS Club for a family-friendly afternoon of Halloween fun while supporting a local nonprofit! This year’s Trunk or Treat will benefit Be Exceptional Programs, which provide inclusive and adaptive programs for individuals with disabilities and their families. Admission is free, but preregistration is encouraged so we can plan for attendance, candy, and supplies. Optional donations will benefit Be Exceptional Programs. More information.

Families can look forward to:
🚗 Decorated trunks
🍬 Candy and non-candy treats
🐐 A petting zoo
🧩 Sensory-friendly activities
🎯 Children’s games and activity stations
🍧 Food vendors
🏆 Crowd-favorite trunk voting
🎃 More seasonal fun to be announced!

Digs & Rigs in Brentwood
2026-10-17 09:00 - 13:00 | Cornerstone Church Parking Lot 6641 Lone Tree Way Brentwood CA
Digs n’ Rigs is a hands-on family event sponsored by The Rotary Club of Brentwood.

This opportunity provides children of all ages the chance to explore vehicles of all types! Get up close to a variety of commercial and emergency vehicles. Tickets are $7.18. More information.

All Abilities Day in Oakley
2026-10-20 10:00 - 13:00 | Big Break Regional Shoreline, 69 Big Break Rd, Oakley, CA, 94561
Explore nature at your own pace and in your own way. This program is inclusive for all abilities, offering something for everyone! Travel along paved trails to visit stations to touch fur, listen to birds, draw wildlife, sit on benches to scan the water, or paint the view.

Hands-on experiences
Indoor and outdoor options
ASL & Spanish Interpreters on site
Wheelchair accessible

More information.

Día de Los Muertos Celebration in Antioch
2026-11-01 15:00 - 19:00 | Nick Rodriguez Center, 213 F St, Antioch, CA, 94509, United States
Join the City of Antioch Recreation Department for the fourth annual Día de Los Muertos Celebration at the Nick Rodriguez Community Center. Take part in displaying your own personal altar while enjoying live dance and musical performances, youth crafts, food options from local markets and businesses, face painting, a Catrina contest, and much more!

Día de Los Muertos, or the Day of the Dead, is an annual Central American holiday occurring Nov. 1-2 that celebrates the lives of deceased relatives. Traditionally, families come together to create offerings as a way to honor loved ones who have passed on and encourage them to visit from the land of the beyond to join in on the celebration.
Altars built by individual community members, local businesses, and community organizations will be on display at the Nick Rodriguez Community Center Thursday, Oct. 29-Sunday, Nov. 1. More information.

Lodi Sandhill Crane Festival
2026-11-06 08:00 - 2026-11-08 17:00 | Hutchin Street Square Community Center, 125 S. Hutchins Street, Lodi, CA, United States
Join the Lodi Sandhill Crane Association for another unforgettable weekend celebrating sandhill cranes, the incredible Central Valley landscapes they call home, and the people who work to protect them.
Photo by this year’s featured artist, Michael Forsberg
This year, there will be numerous new tours, along with vendors, expert talks, an art show, and engaging workshops! Tours go on sale Sept. 8. More information.
