HydroBASINS lev08 watershed · #4081045310
Bassin de ၼမ်ႉၶူင်း/သံလွင်မြစ်
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 : Loilen, Pai, Pang Ma Pha
Sub-basin area
899,4km²
Upstream area
899,6km²
Discharge
13,92m³/s
Mean elev.
1 035m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 894.0 km²99.7% of basin
- 1.9 km²0.2% of basin
- 1.0 km²0.1% of basin
3 intersecting protected areas
San Pan Dan
IUCN IaWildlife Sanctuary
2.20 km² overlap
Tham Pla - Pha Seu
IUCN IINational Park
1.33 km² overlap
Huai Nam Dang
IUCN IINational Park
1.06 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
14 distinct species · 36 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°
22,0°C
Annual rain
1 200mm
Moisture idx (CMI)
-0,23
Runoff
487mm/an
PET
1 559mm
AET
946mm
Mean slope
17,2°
Water table
610cm
Forest
30%
Crops
3%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)