HydroBASINS lev08 watershed · #4081091080
Bassin de ลำน้ำพอง
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 5 administrative regions : K. Nong Na Kham, Non Sang, Phu Wiang, Si Bun Ruang, Wiang Kao
Sub-basin area
70,6km²
Upstream area
5 314,2km²
Discharge
33,48m³/s
Mean elev.
198m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de ลำน้ำพอง3316 km²
- Bassin de ห้วยน้ำวังเวิน1316 km²
5 dept-equivalent regions (GADM L2)
- 45.9 km²65.3% of basin
- Non Sang13.1 km²18.6% of basin
- 9.2 km²13.1% of basin
- 1.5 km²2.1% of basin
- 0.6 km²0.9% of basin
1 intersecting protected areas
Phu Wiang
IUCN IINational Park
3.52 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 25 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°
26,6°C
Annual rain
1 186mm
Moisture idx (CMI)
-0,31
Runoff
197mm/an
PET
1 713mm
AET
952mm
Mean slope
1,2°
Water table
88cm
Forest
2%
Crops
43%
Urban
0%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)