HydroBASINS lev08 watershed · #6080346920
Bassin de Rio Grajaú
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 : Arame, Grajaú
Sub-basin area
330,6km²
Upstream area
9 641,2km²
Discharge
141,4m³/s
Mean elev.
199m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #6080349120213 km²
- Bassin de Rio Grajaú112 km²
2 dept-equivalent regions (GADM L2)
- 301.7 km²91.7% of basin
- 27.4 km²8.3% of basin
1 intersecting protected areas
Arariboia
IUCN Not ReportedIndigenous Area
33.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
0 distinct species · 0 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°
26,2°C
Annual rain
1 135mm
Moisture idx (CMI)
-0,39
Runoff
423mm/an
PET
1 864mm
AET
959mm
Mean slope
4,6°
Water table
231cm
Forest
74%
Crops
9%
Urban
0%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)