The geology of Nepal is dominated by the Himalaya the highest youngest and a very highly active mountain range Upreti 2014 p 1 Himalaya is a type locality for the study of on going continent continent collision tectonics Upreti 2014 p 1 The Himalayan arc extends about 2 400 km 1 500 mi from Nanga Parbat 8 138 m 26 699 ft by the Indus River in northern Pakistan eastward to