HydroBASINS lev08 watershed · #4080842320
Bassin de B4
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 : Anjaw, Putao
Sub-basin area
589,2km²
Upstream area
589,3km²
Discharge
81,11m³/s
Mean elev.
1 885m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 588.0 km²100.0% of basin
- 0.2 km²0.0% of basin
1 intersecting protected areas
Wildlife Sanctuary
371.80 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
20 distinct species · 32 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°
14,2°C
Annual rain
2 257mm
Moisture idx (CMI)
0,46
Runoff
3 921mm/an
PET
1 117mm
AET
970mm
Mean slope
25,4°
Water table
763cm
Forest
75%
Crops
4%
Urban
0%
Protected
61%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)