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Ultar Sar
آلتر سار
Ultar sar.jpg
Ultar Sar (centre foreground) viewed from the southeast, with Shispare (centre background) and Bojohagur Duanasir (left foreground).
Highest point
Elevation 7,388 m (24,239 ft) 
Ranked 70th
Prominence 888 m (2,913 ft)
Coordinates 36°23′59″N 74°41′31″E / 36.39972°N 74.69194°E / 36.39972; 74.69194Coordinates: 36°23′59″N 74°41′31″E / 36.39972°N 74.69194°E / 36.39972; 74.69194[1]
Ultar Sarآلتر سار‎ is located in Pakistan
Ultar Sarآلتر سار‎
Ultar Sar
آلتر سار
Location in Pakistan
Location Gilgit–Baltistan, Pakistan
Parent range Karakoram, Batura
First ascent 1996 by Akito Yamazaki & Kiyoshi Matsuoka
Normal route Via Bathbakor Base Camp

Ultar Sar (Urdu: آلتر سار‎) (also Ultar, Ultar II, Bojohagur Duanasir II) is the southeasternmost major peak of the Batura Muztagh, a subrange of the Karakoram range. It lies about 10 km (6.2 mi) northeast of the Karimabad, a town on the Karakoram Highway in the Hunza Valley, part of the Gilgit District of Gilgit–Baltistan, Pakistan.

Notable features and climbing history[edit]

Ultar Sar (right), Bojohagur Duanasir (left of it); Hunza Peak and Bublimotin (far left)

While not one of the highest peaks of the Karakoram, Ultar Sar is notable for its dramatic rise above local terrain. Its south flank rises over 5,300 metres (17,388 feet) above the Hunza River near Karimabad, in only about 10 km (6.2 mi) of horizontal distance. Combined with its strategic position at the end of the Batura Muztagh, with the Hunza River bending around it, this makes Ultar a visually striking peak.

Ultar Sar also gained fame in the 1990s as supposedly the world's highest unclimbed independent peak. This was incorrect, as Gangkhar Puensum in Bhutan is higher, and remains unclimbed (and off-limits) as of 2007 (two other higher peaks are also reputedly unclimbed and of independent stature). However, that perception did add to the appeal of the peak, and a number of expeditions attempted to climb it. During the 1980s and 1990s fifteen expeditions made attempts and no summits, but with a number of fatalities.

The first two summits were made in 1996 by two separate Japanese expeditions, the first on 11 July from the Tokai section of the Japanese Alpine Club led by Akito Yamazaki, and the second led by Ken Takahashi. The first summit team comprised Yamazaki and Kiyoshi Matsuoka (who died one year later on the nearby peak Bublimotin). They climbed the peak from the southwest in alpine style, doing much of the climbing at night to avoid danger from falling rock and ice. After their summit, they faced strong storms and bivouaced several days without food before returning to basecamp. Yamazaki died of an internal disease after the descent to basecamp. The second summit was made on 31 July via the south ridge by Takahashi, Masayuki Ando, Ryushi Hoshino, Wataru Saito, and Nobuo Tsutsumi. Since 1996, there have been no recorded ascents of the peak.

Nearby summits and glaciers[edit]

Close-up of Bublimotin Ladyfinger and Hunza Peak

Ultar Sar is the east end of a short, somewhat level ridge, the west end of which is a peak called Bojahagur Duanasir (7,329 m/24,045 ft), climbed in 1984 by a Japanese party. To the northwest of both peaks is the huge pyramid of Shispare (7,611 m/24,970 ft). Along the southwest ridge of the massif are Hunza Peak and the striking rock spire of Bublimotin (Ladyfinger Peak). The glaciers draining the slopes of the massif are (clockwise from north): the Ghulkin Glacier, the Gulmit Glacier, the Ahmad Abad Glacier, the Ultar Glacier, and the Hasanabad Glacier (many of these have other names as well).

See also[edit]



  • Jerzy Wala, Orographical Sketch Map of the Karakoram, Swiss Foundation for Alpine Research, 1990.
  • Jerzy Wala, Orographical Sketch Map of the Batura Muztagh, 1988.
  • American Alpine Journal, 1997.
  • Himalayan Index

External links[edit]