The Western Ghats is a narrow mountain range in southwest India in the states of Gujarat, Maharashtra, Goa, Karnataka, Kerala, and Tamil Nadu, which stretches for 1,600 km (mi) along the Indian Ocean. The main feature of the mountain range is the highest biological diversity in all of India, which also makes it one of several so-called biodiversity hotspots on the planet, protected through 39 different natural areas. It is also a UNESCO World Heritage Site. There are 1574 named mountains in the Western Ghats. The highest and most prominent mountain is Anamudi (2,695 m / 8,841 ft), which is also the highest in India outside Himalayas.