HangTime is a steel roller coaster at Knott's Berry Farm in Buena Park, California, United States. The Infinity Coaster was manufactured by Gerstlauer on the former location of attractions Boomerang and RipTide. It was announced on August 16, 2017 and opened to the public on May 18, 2018. The 2,198 feet (670 m) long roller coaster is themed after 1960s surf culture in California. It features a vertical lift hill taking riders 150 feet (46 m) high and a beyond vertical drop of 96 degrees, making it the steepest roller coaster in California.