Pithoragarh is the easternmost district in the state of Uttarakhand, India. It is located in the Himalayas and has an area of and a population of 483,439 (as of 2011). The city of Pithoragarh, located in Saur Valley, is its headquarters. The district is within the Kumaon division of Uttarakhand state. The Tibet plateau is situated to the north and Nepal is to the east. The Kali River is formed by the joining of two headwaters near Gunji and flows south, forming the eastern border with Nepal. The Hindu pilgrimage route for Mount Kailash-Lake Manasarovar passes through this district via Lipulekh Pass in the greater Himalayas. The district is administratively divided into six tehsils: Munsyari; Dharchula; Didihat; Berinag; Gangolihat; and Pithoragarh. Naini Saini Airport is the nearest civil airport, but it does not have regular scheduled commercial passenger service. The mineral deposits present in the district are magnesium ore, copper ore, limestone and slate.