Summernats (a portmanteau of "Summer" and "National"), is an annual car festival held in Canberra, Australia since 1987, except 2021. Summernats, which is usually held at the start of the year, is the best known specialist car enthusiast festival in Australia, and an event which attracts many tourists to Canberra, bringing in excess of $20 million in economic benefit to the ACT economy. It has increasingly been promoted as an event for families.