HydroBASINS lev08 watershed · #4081161290
Bassin de Sungai Piah
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 : Gua Musang, Hulu Perak, Kuala Kangsar
Sub-basin area
476,9km²
Upstream area
476,9km²
Discharge
18,52m³/s
Mean elev.
716m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 468.1 km²98.6% of basin
- 6.7 km²1.4% of basin
- 0.0 km²0.0% of basin
1 intersecting protected areas
Piah
IUCN VIForest Reserve
102.23 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
29 distinct species · 34 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°
23,2°C
Annual rain
2 665mm
Moisture idx (CMI)
0,41
Runoff
1 252mm/an
PET
1 533mm
AET
1 489mm
Mean slope
13,0°
Water table
375cm
Forest
96%
Crops
9%
Urban
0%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)