Lake Tarawera is the second largest lake in the rotorua caldera with a surface area of 51.0 km². It is filled by sources from the nearby Blue and Green lakes (or Lake Rotokakahi and Lake Tikitapu). Lake Tarawera is home to various eels and rainbow trout. During the summer the lake is popular for both fishing and water sports, and also camping as there a number of hot water beaches. Lake Tarawera's outflow is at its north end, into the Tarawera River, which flows further into the Pacific Ocean.