HydroBASINS lev08 watershed · #4081079970
Bassin · #4081079970
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 3 administrative regions across 2 countries : Bualapha, Bố Trạch, Minh Hóa
Sub-basin area
291,7km²
Upstream area
291,8km²
Discharge
11,13m³/s
Mean elev.
627m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 175.3 km²60.3% of basin
- 97.4 km²33.5% of basin
- 18.0 km²6.2% of basin
3 intersecting protected areas
Phong Nha-Ke Bang National Park and Hin Nam No National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
267.65 km² overlap
Phong Nha-Ke Bang
IUCN IINational Park
240.66 km² overlap
Hin Nam No
IUCN IINational Park
13.21 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 5 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°
22,4°C
Annual rain
2 335mm
Moisture idx (CMI)
0,42
Runoff
1 215mm/an
PET
1 362mm
AET
1 164mm
Mean slope
16,4°
Water table
469cm
Forest
99%
Crops
9%
Urban
0%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)