Raging Waters Los Angeles located in Los Angeles County in the city of San Dimas, near SR 57 between Interstate 10 and Interstate 210. At 60 acres, Raging Waters was California's largest waterpark.

"Little Dipper Lagoon", another play area for children, at Raging Waters Los Angeles Dragon's Den is a slide which debuted in 2004, and is a two-person tube-ride that sends guests plummeting down a steep 45-foot tunnel, circling around a 35-foot bowl 9-foot until they fall through a secret tunnel at the bottom. As of 2016, Dragon's Den is also ridden as a single-rider attraction, with tubes identical to the ones used in Amazon River.