HydroBASINS lev08 watershed · #4080850180
Bassin de HPUN GAN Hka
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 : Changlang, Putao
Sub-basin area
283,2km²
Upstream area
283,2km²
Discharge
37,71m³/s
Mean elev.
2 290m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 255.1 km²90.2% of basin
- 27.6 km²9.8% of basin
1 intersecting protected areas
Wildlife Sanctuary
281.19 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 3 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°
12,7°C
Annual rain
2 093mm
Moisture idx (CMI)
0,47
Runoff
4 107mm/an
PET
1 057mm
AET
924mm
Mean slope
29,3°
Water table
778cm
Forest
83%
Crops
2%
Urban
0%
Protected
90%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)