Ultar Sar is a 7,388 metres (24,239 ft) mountain in the Karakoram range, in Pakistan. It is also known as Ultar Peak, Ultar II, Bojohagur Duanasir II, and simply as Ultar. Ultar Sar is part of the Batura Muztagh subrange. It is the 69th highest mountain in the world.
The first people to reach the top were Akito Yamazaki and Kiyoshi Matsuoka, in 1996. It is a very difficult and dangerous climb.