HydroBASINS lev08 watershed · #5080027080
Bassin de Guiom River
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 : Cawayan, Dimasalang, Palanas, Placer, Uson
Sub-basin area
157,7km²
Upstream area
157,9km²
Discharge
4,55m³/s
Mean elev.
36m
Administrative coverage
5 dept-equivalent regions (GADM L2)
- 109.8 km²69.9% of basin
- 31.1 km²19.8% of basin
- 11.1 km²7.1% of basin
- 4.3 km²2.7% of basin
- 0.2 km²0.1% of basin
1 intersecting protected areas
Asid Gulf Marine Protected Area Network (AGMPAN)
IUCN Not ApplicableMarine Protected Area Network
0.63 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 4 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°
27,4°C
Annual rain
1 953mm
Moisture idx (CMI)
0,22
Runoff
1 105mm/an
PET
1 514mm
AET
1 307mm
Mean slope
1,4°
Water table
76cm
Forest
0%
Crops
70%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)