The Sagarmāthā National Park (sagaramāthā rāṣṭriya nikuñja) is a protected area in the Himalayas of eastern Nepal that is dominated by Mount Everest. It encompasses an area of 1,148 square kilometres (443 square miles) in the Solukhumbu District and ranges in elevation from 2,845 to 8,848 metres (9,334 to 29,029 feet) to at the summit of Mount Everest. In the north, it shares the international border with the Qomolangma National Nature Preserve of Tibet and extends to the Dudh Kosi river in the south. Adjacent to the east is the Makalu Barun National Park.