Mount Rinjani (Indonesian: Gunung Rinjani; Sasak: ᬕᬸᬦ᭄ᬗᬸᬂ᭞ᬭᬶᬦ᭄ᬚᬦᬶ, romanized: gunong rinjani) is an active stratovolcano situated in regencial North Lombok of West Nusa Tenggara province on the Indonesian island of Lombok. It reaches an elevation of 3,726 metres (12,224 ft), making it the second-highest volcano in Indonesia and the highest point in the province of West Nusa Tenggara.
Adjacent to the volcano is a caldera measuring approximately 6-by-8.5-kilometre (3.7 by 5.3 mi), which contains the crater lake Sagara Anak (lit. 'Child of the Sea' (in Sasak)) — named for its striking blue coloration reminiscent of the ocean. The lake lies at an elevation of around 2,000 metres (6,600 ft) above sea level and is estimated to be about 200 metres (660 ft) deep. The caldera also features several hot springs.
