Segara Anak is a crater lake contained within Mount Rinjani on the island of Lombok in Indonesia. The name Segara Anak means child of the sea given to it due to the blue colour of the lake reminiscent of the sea.
Gunung Rinjani National Park is located on the island of Lombok, Indonesia in the North Lombok Regency. The park covers about 41,330 hectares and consists of mountainous areas. Mount Rinjani (Gunung Rinjani), which is the third highest mountain of Indonesia (3,726 m), is located in this national park, giving this park its name.
Some of endangered plants are protected in this national park, such as: Pterospermum javanicum, Swietenia macrophylla, Ficus superba, Toona sureni, Vanda sp., Usnea sp and Anaphalis sp.
There are also several endangered fauna protected in this national park, including rusa deer, indian muntjac, Sunda Porcupine, surili monkeys, Helmeted Friarbird, several cockatoos and Scaly-crowned Honeyeater.