76th Annual Bass Derby & Festival Welcome to The Rio Vista VENDOR BOOTH DEADLINE IS TUESDAY, OCTOBER 1 Coming - October 11, 12 & 13, 2024 Bass Derby & Festival 2024 Event Guide 2023 Fishing Derby Winners2023 Parade Winners Rio Vista Bass Derby The Rio Vista Derby is open to anyone who loves to fish. The top prize this year has increased to $4,000! Derby and parking is free to the public. Learn more > Rio Vista Bass Festival The Rio Vista Bass Festival loves to see everyone get in on the fun and offers an array of games, food, music and entertainment for people of all ages. Festival access and parking are free to the public. Learn more >