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)

Hands-on experience invites kids and families to explore and climb on construction equipment, utility trucks, emergency vehicles and more.

A fall celebration of the natural beauty, agricultural richness, and cultural history of the California Delta.

Trunk or treating, games, costume and pumpkin-carving contests face painting. Event website.

Activities, treats, pets!

50 cents per item, three for $1, or a brown paper bag full of books for $5.

Pet costume contest, kids costume contest, store to store trick or treating, monster truck rides, kids zone, music, vendors.

Trick or treating.  

Sustainable Solano and the Rio Vista Youth Air Protectors help plant trees along Airport Road to improve walkability and air quality.

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.

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.

A conversation with Contra Costa County authors. Also featured - rare and collectible books for purchase. For more information call (925) 229-1042.