HydroBASINS lev08 watershed · #6080322490
Bassin de Rio Iriri
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 : Altamira, Placas
Sub-basin area
1 564,5km²
Upstream area
118 290km²
Discharge
2 439,57m³/s
Mean elev.
226m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Iriri1422 km²
- Bassin de Dois Irmãos742 km²
2 dept-equivalent regions (GADM L2)
- 1545.4 km²99.2% of basin
- 12.3 km²0.8% of basin
2 intersecting protected areas
Cachoeira Seca
IUCN Not ReportedIndigenous Area
1077.08 km² overlap
Extractive Reserve
483.43 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 6 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°
25,3°C
Annual rain
1 795mm
Moisture idx (CMI)
0,05
Runoff
642mm/an
PET
1 700mm
AET
1 238mm
Mean slope
3,1°
Water table
115cm
Forest
93%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)