Nyönno Ri (Tibetan: ཉ་རོ་རི།) is a mountain located in the Tibet Autonomous Region, China. It is an ultra-prominent peak and is the 296th highest in Asia. It has an elevation of .
In 1935, the British Mount Everest Committee organised and funded the British Mount Everest reconnaissance expedition sending a team of climbers, led by Eric Shipton, to explore and evaluate possible approach routes to Mount Everest through the surrounding mountains. On June 17, 1935, part of that team led by Bill Tilman attempted to ascend "the South Peak of Nyönno Ri" (ca 6590mhttps://mapy.com/en/turisticka?q=Nyonno%20Ri%20South&source=osm&id=1125952011&ds=2&x=87.6271786&y=28.2019798&z=14, not the main N summit) reaching a prominent point "several hundred feet" below "but a considerable distance" short of their target, before turning back after deciding that "any attempt to reach it would so exhaust the party that the day might end in disaster". pp.114-115. There has been no recorded ascent of Nyönno Ri.
See also List of ultras of Tibet, East Asia and neighbouring areas
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