Kata Tjuta, sometimes written Tjuṯa (Kata Joota), and also known as Mount Olga or The Olgas), is a group of large rock formations in the Northern Territory of Australia. It is located about 365 km (227 mi) southwest of Alice Springs. Kata Tjuta and Uluru, 25 km (16 mi) to the east, make up the two focus points of the Uluru-Kata Tjuta National Park. The rock is conglomerate, a sedimentary rock made up of clusters of different types of rock (including granite and basalt), covered in sandstone. There are 36 domes covering an area of 21.68 km2 (8.37 sq mi). The highest point, Mount Olga, is 1,066 m (3,497 ft) above sea level. It is about 546 m (1,791 ft) above the ground around it. It is about 198 m (650 ft) higher than Uluru.