HydroBASINS lev08 watershed · #6080190660
Bassin · #6080190660
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 : Alenquer, Almeirim, Óbidos
Sub-basin area
1 788,7km²
Upstream area
1 788,7km²
Discharge
23,13m³/s
Mean elev.
354m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1130.3 km²63.5% of basin
- 647.3 km²36.3% of basin
- 3.2 km²0.2% of basin
2 intersecting protected areas
Parque do Tumucumaque
IUCN Not ReportedIndigenous Area
1779.64 km² overlap
Ecological Station
4.66 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 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°
25,6°C
Annual rain
2 047mm
Moisture idx (CMI)
0,17
Runoff
413mm/an
PET
1 699mm
AET
1 325mm
Mean slope
3,5°
Water table
84cm
Forest
99%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)