Batang Ai National Park (Malay: Taman Negara Batang Ai) is a national park located in Sri Aman Division, Sarawak, Malaysia. It is located in Lubok Antu, some 250 kilometers east of Kuching. The park covers an area of 24 square kilometres (9.3 sq mi) of extensive tropical rainforest with a number or rare and protected animals surrounding the 24 square kilometer artificial lake created by the Batang Ai hydroelectric reservoir. The park was proclaimed in 1991, and has become increasingly popular with locals and tourists despite the lack of facilities.