HydroBASINS lev08 watershed · #1081071010
Bassin de Achwa
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 2 administrative regions : Aruu, Aswa
Sub-basin area
81,3km²
Upstream area
11 755,4km²
Discharge
37,06m³/s
Mean elev.
965m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Agago1290 km²
- Bassin de Achwa920 km²
2 dept-equivalent regions (GADM L2)
- 51.4 km²63.5% of basin
- 29.6 km²36.5% of basin
1 intersecting protected areas
Ogom
IUCN Not ReportedForest Reserve
0.64 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
34 distinct species · 61 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°
24,0°C
Annual rain
1 378mm
Moisture idx (CMI)
-0,27
Runoff
130mm/an
PET
1 881mm
AET
1 166mm
Mean slope
1,9°
Water table
154cm
Forest
0%
Crops
1%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)