HydroBASINS lev08 watershed · #4080721160
Bassin de མ་ནམ་གཙང་པོ 玛郎曲
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions across 2 countries : Chamoli, Ngari
Sub-basin area
1 018km²
Upstream area
1 018km²
Discharge
31,08m³/s
Mean elev.
5 253m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 995.1 km²97.8% of basin
- Chamoli21.9 km²2.2% of basin
1 intersecting protected areas
Nanda Devi
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
1.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
-4,3°C
Annual rain
611mm
Moisture idx (CMI)
0,14
Runoff
963mm/an
PET
536mm
AET
449mm
Mean slope
17,7°
Water table
609cm
Forest
1%
Crops
0%
Urban
0%
Protected
93%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)