HydroBASINS lev08 watershed · #4081077780
Bassin de แม่น้ำน่าน
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 1 administrative regions : Tha Pla
Sub-basin area
171,3km²
Upstream area
171,3km²
Discharge
1,52m³/s
Mean elev.
324m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 intersecting protected areas
Lam Nam Nan
IUCN IINational Park
98.53 km² overlap
Mae Charim
IUCN IINational Park
16.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 2 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°
25,8°C
Annual rain
1 244mm
Moisture idx (CMI)
-0,30
Runoff
277mm/an
PET
1 768mm
AET
998mm
Mean slope
7,8°
Water table
358cm
Forest
43%
Crops
5%
Urban
0%
Protected
67%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)