Mazeno Ridge

The Mazeno Ridge is an arête, a long narrow ridge, and part of the Nanga Parbat massif in Gilgit–Baltistan, Pakistan, in the Himalayan range. The ridge is the longest of any ridge on the eight-thousand-metre peaks in the Himalayas. A series of eight subsidiary peaks form the ridge, the highest being Mareno Peak 7,120 metres (23,360 ft). All eight subsidiary peaks have been climbed, but a complete traverse of the ridge and ascent of Nanga Parbat was only successfully achieved in 2012, and as of 2019, no other expedition has reached the summit of Nanga Parbat via the Mazeno Ridge.

Mazeno Ridge
Mazeno Ridge on the right of the Nanga Parbat massif
Highest point
Elevation7,120 m (23,360 ft)
Coordinates35°13′34″N 74°33′21″E[1] 
Geography
Mazeno Ridge
Parent rangeHimalaya
Climbing
First ascent2004 by Doug Chabot and Steve Swenson (US)
Easiest routeWestern ridge route

Not far to the north is the western end of the Karakoram range.[2] At the southern end of the ridge, the Mazeno mountain pass is 5,358 metres (17,579 ft) high and connects the towns of Astore and Chilas.[3]

Mazeno Ridge

The Mazeno Ridge forms part of the Nanga Parbat mountain range. With a length of 13 kilometres (8.1 mi) from Mazeno Pass to Mazeno Col, Mazeno is the longest ridge on any eight-thousander summit.[4][5] It starts to the west of Nanga Parbat and heads north-east to the summit. The southwestern portion of this main ridge is known as the Mazeno Wall. The ridge has eight subsidiary peaks of over 6,800 metres (22,300 ft), the highest being Mazeno Peak with an elevation of 7,120 metres (23,360 ft).[6] For a climber, there are no apparent escape routes on either flank until Mazeno Col is reached, where the ridge meets the Schell Route coming up the Rupal flank. A further 2 km (1.2 mi) climb ascends to the summit of Nanga Parbat.[4]

Climbing history

Mazeno Ridge was first attempted by a French mountaineering team led by Louis Audoubert in 1979 but bad weather prevented them from climbing any but the first Mazeno peak. The English mountaineer Doug Scott made three attempts at traversing the ridge, one being with Sandy Allen in 1992. The third attempt, in 1995, involved Rick Allen, Wojciech Kurtyka and Andrew Lock, while Scott was unwell, and was successful in climbing the first three of the Mazeno peaks.[7][8]

The ridge was climbed in its entirety in 2004; a 10-kilometre (6.2 mi) traversal by US mountaineers Doug Chabot and Steve Swenson reached the Mazeno Col. However, they did not continue on to the summit of Nanga Parbat, as Swenson contracted a respiratory infection. They descended the mountain at the junction of the Schell Route.[6]

In 2012, British alpinists Sandy Allan, Rick Allen, and South African Cathy O'Dowd, along with three Sherpas Lhakpa Rangduk, Lhakpa Nuru and Lhakpa Zarok, traversed the ridge to Mazeno Col and set up a camp at 7,200 m (4.5 mi). A summit attempt the next day proved unsuccessful and O'Dowd and the three Sherpas decided to descend via the Diamir Face. After two more days, Allan and Allen successfully made their summit attempt on 15 July and descended by the Kinshofer Route to reach base camp on the 19th after an expedition lasting 18 days.[4][9]

In 2017, Mariano Galvan of Argentina and Alberto Zerain of Spain disappeared while attempting the second ascent of the ridge. They are assumed to have been swept away by an avalanche, as a tracker being worn by Zerain became stationary, 180 m (600 ft) below the ridge, until it ceased to function fifteen hours later. A helicopter rescue mission manned by the Pakistan military found avalanche debris at the spot.[10]

References
  1. "Mazeno Peak". PeakFinder. Retrieved 2019-02-14.
  2. Philip's (1994). Atlas of the World. Reed International. pp. 80–81. ISBN 0-540-05831-9.
  3. Scott, Doug (1994). "Expeditions and notes Nanga Parbat expeditions, 1992 and 1993". Himalayan Journal. Vol. 50. Himalayan Club. Retrieved 2019-04-28.
  4. Griffin, Lindsay (19 July 2012). "Sandy Allan and Rick Allen complete Mazeno Ridge". British Mountaineering Council. Retrieved 2019-04-30.
  5. Allan, Sandy (2015). In Some Lost Place: The First Ascent of Nanga Parbat's Mazeno Ridge. Vertebrate Publishing. ISBN 978-1-910240-37-3.
  6. Weatherl, Joshua (20 July 2012). "Mazeno Ridge Climbed". Alpinist. Retrieved 2019-01-31.
  7. American Alpine Club; Carter, H. Adams. 1994 American Alpine Journal. The Mountaineers Books. p. 264. ISBN 978-1-933056-41-8.
  8. The Alpine Journal. Alpine Club. 2001. p. 269. ISBN 978-0-948153-66-2.
  9. Bacon, Sean (15 December 2015). "Brits Summit Nanga Parbat via Mazeno Ridge". Climbing. Retrieved 2019-01-31.
  10. Griffin, Lindsay (2 July 2017). "Galvan and Zerain disappear while attempting second crossing of Mazeno Ridge". British Mountaineering Council. Retrieved 2019-01-31.
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