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A Himalayan range in Ladakh lying between the Greater Himalayas and the Indus valley, enclosing the high, cold Zanskar valley.
The Zanskar Range is a mountain range of the Himalayan system in Ladakh, running roughly parallel to and north of the Greater Himalayas, and lying south of the Indus valley and the Ladakh Range. It encloses the Zanskar valley, one of the most isolated inhabited regions in India, reachable by road for only part of the year. Because the range sits behind the Greater Himalayas, it lies deep in the rain shadow of the monsoon and receives very little rainfall, giving it the cold desert character typical of Ladakh — bare rock, sparse vegetation and extreme temperature range. The Zanskar river rises within this landscape and flows north to join the Indus.
Type: PhenomenonPosition — lies between the Greater Himalayas to the south and the Indus valley and Ladakh Range to the north
Zanskar valley — a high, enclosed valley among the most isolated inhabited areas in India
Zanskar river — rises in this region and flows northward to join the Indus, cutting deep gorges on the way
Nun-Kun massif — the highest section of the range, with Nun rising to about 7,135 metres
Pensi La — the pass connecting the Suru valley to the Zanskar valley, the principal road approach
Cold desert — lying in the rain shadow of the Greater Himalayas, the range receives very little precipitation
Chadar trek — the winter route along the frozen surface of the Zanskar river, historically the only link when the passes close
Frequency: Appears in UPSC Prelims physical geography and in map-based and general awareness questions on Ladakh
The Zanskar Range runs north-west to south-east through Ladakh, separating the Zanskar valley from the Indus valley to its north. To its south lies the Greater Himalaya, which blocks the monsoon; to its north, across the Indus, lies the Ladakh Range and beyond that the Karakoram. Pensi La provides the road approach from the Suru valley near Kargil into Zanskar, and the Zanskar river flows north through deep gorges to meet the Indus near Nimmu, downstream of Leh.
The Zanskar Range illustrates the rain-shadow effect more sharply than almost anywhere else in India. The Greater Himalaya to its south intercepts the monsoon so completely that Zanskar receives a fraction of the rainfall falling on the southern slopes only a short distance away, and the result is a cold desert at high altitude where agriculture depends entirely on glacial meltwater channelled through irrigation. That dependence is what makes the region a bellwether for Himalayan climate change: as glaciers retreat, the meltwater timing shifts, and settlements with no alternative water source are directly affected. The range is also strategically located, lying within the broader Ladakh sector where border infrastructure has expanded rapidly, and the Chadar trek — once a necessity for winter travel and now largely a tourist route — is itself a marker of change, since warmer winters have made the river ice less reliable.
Himalayan range in Ladakh, between the Greater Himalayas and the Indus valley
Encloses the Zanskar valley, among the most isolated inhabited regions in India
Zanskar river is a tributary of the Indus
Highest peak: Nun, about 7,135 m, in the Nun-Kun massif
Pensi La connects the Suru valley to Zanskar
Cold desert in the rain shadow of the Greater Himalayas
The Chadar trek follows the frozen Zanskar river in winter
In Ladakh, running between the Greater Himalayas to the south and the Indus valley and Ladakh Range to the north.
The Indus. It flows northward from the Zanskar valley and joins the Indus near Nimmu, downstream of Leh.
A winter route along the frozen surface of the Zanskar river, historically the only link to the outside world when the mountain passes closed.
It lies in the rain shadow of the Greater Himalayas, which intercept the monsoon, so the region receives very little precipitation despite its altitude.
Pensi La, which connects the Suru valley near Kargil to the Zanskar valley.