The topography of Kinnaur is defined by extreme verticality. Elevations range from approximately 2,320 meters (7,611 feet) at the lowest valley floors to towering peaks exceeding 6,800 meters. The highest point in the region (and the state of Himachal Pradesh) is Reo Purgyil, standing at 6,816 meters (22,362 feet) in the Zanskar range.
The district's terrain is aggressively steep, featuring plunging V-shaped canyons—most notably the gorge carved by the Sutlej River. Flat land is exceedingly rare; settlements and agricultural plots are heavily terraced into the sides of mountains. The Baspa Valley (also known as the Sangla Valley) offers a rare stretch of relatively gentle, rolling alpine meadows flanked by glacial streams, while areas like Nako sit on high-altitude plateaus devoid of substantial vegetation.

