Held annually for over thirty years, the Clearlake Oaks – Glenhaven Catfish Derby is the largest catfish tournament west of the Mississippi. Each May hundreds of of eager fishermen and women visit Clear Lake for a chance to land the BIG ONE and win one of many prizes.

The tournament features: separate divisions for adults and kids; food and entertainment; a $5,000 prize cash for the largest fish caught in the adult division; $100 for the largest fish caught in each of two kids divisions; over $10,000 total in cash and merchandise prizes.