The Lost World of Tambun (LWOT) is a theme park and hotel in Sunway City Ipoh, Tambun, Kinta District, Perak, Malaysia. Managed by the Sunway Group, the 40-acre park opened on November 11, 2004, and is officiated by Sultan Azlan Shah. The theme park is known for its natural hot spring, also features other attractions including wildlife and rides. In 2015, the park was awarded as the World Gold Winner in the Resort Category at the Fiabci Prix d’Excellence Award 2015, Petaling Jaya.