HydroBASINS lev08 watershed · #6080204110
Bassin de Igarapé Castanho
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 across 2 countries : Japurá, Pacoa, São Gabriel da Cachoeira
Sub-basin area
1 245km²
Upstream area
1 245km²
Discharge
83m³/s
Mean elev.
151m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1226.0 km²98.9% of basin
- 13.4 km²1.1% of basin
- 0.0 km²0.0% of basin
1 intersecting protected areas
Alto Rio Negro
IUCN Not ReportedIndigenous Area
1239.46 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
116 distinct species · 323 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°
25,5°C
Annual rain
3 250mm
Moisture idx (CMI)
0,51
Runoff
2 105mm/an
PET
1 601mm
AET
1 601mm
Mean slope
0,9°
Water table
10cm
Forest
100%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)