1970 Annapurna south face expedition approach route. Route take by the British expedition led by Chris Bonington.
The route is shown in two sources: Bonington, Chris (1971). <i>Annapurna South Face</i>. Book Club Associates, p. 44; and Bonington, Christian (1971). <a rel="nofollow" class="external text" href="https://www.alpinejournal.org.uk/Contents/Contents_1971_files/AJ%201971%2018-33%20Bonington%20Annapurna.pdf">"Annapurna South face"</a>  <i>Alpine Journal</i>: p. 20.
U.S. Army Map Service
1955
<a href="//commons.wikimedia.org/wiki/File:Map_India_and_Pakistan_1-250,000_Tile_NH_44-16_Pokhara.jpg" title="File:Map India and Pakistan 1-250,000 Tile NH 44-16 Pokhara.jpg">File:Map India and Pakistan 1-250,000 Tile NH 44-16 Pokhara.jpg</a> and <a href="//commons.wikimedia.org/wiki/File:Map_India_and_Pakistan_1-250,000_Tile_NH_45-13_Jongkha_Dzong.jpg" title="File:Map India and Pakistan 1-250,000 Tile NH 45-13 Jongkha Dzong.jpg">File:Map India and Pakistan 1-250,000 Tile NH 45-13 Jongkha Dzong.jpg</a>