Tupopdan, also known as Passu Cathedral or Passu Cones, is a mountain in northern Pakistan.
Description Tupopdan is a summit in the South Ghujerab Mountains subrange of the Karakoram. The mountain is situated north of the village of Passu and the mountain is one of the most scenic sights along the Karakoram Highway. Precipitation runoff from this mountain's slopes drains into tributaries of the Hunza River. Topographic relief is significant as the north face rises 1,700 metres (5,577 ft) in , and the summit rises 3,600 metres (11,811 ft) above the Hunza River in . The first ascent of the summit was achieved on July 6, 1987, by Andy Cave and John Stevenson via the Northeast Ridge.Asia, Pakistan, Tupopdan, Richard Haszko, 1988, publications.americanalpineclub.org, Retrieved June 1, 2025.1988 American Alpine Journal, The Mountaineers Books, 1988, , p. 260. One source claims that Tupopdan means "sun-drenched mountain",John Mock, Trekking in the Karakoram & Hindukush, Lonely Planet Publications, 2002, , p. 281. whereas another source states it is a Wakhi word meaning "hot rock" which alludes to snow shedding quickly from the south slopes in winter.John King, Central Asia: A Lonely Planet Travel Survival Kit, Lonely Planet Publications, 1996, , p. 503.
Climate Based on the Köppen climate classification, Tupopdan is located in a tundra climate zone with cold, snowy winters, and cool summers. Weather systems are forced upwards by the mountains (orographic lift), causing heavy precipitation in the form of rainfall and snowfall. This climate supports two unnamed glaciers descending from the north slope. The summer months offer the most favorable weather for viewing or climbing this peak.Passu Cones, TravelerTrails, travelertrails.com, Retrieved June 1, 2025.
See also List of mountains in Pakistan Hunza Valley
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Weather: Passu Cathedral