HydroBASINS lev08 watershed · #6080276830
Bassin · #6080276830
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 : Aveiro, Santarém
Sub-basin area
602,9km²
Upstream area
4 077,6km²
Discharge
109,46m³/s
Mean elev.
78m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #60802837601773 km²
- Bassin · #60802837001701 km²
2 dept-equivalent regions (GADM L2)
- 545.5 km²90.9% of basin
- 54.8 km²9.1% of basin
1 intersecting protected areas
Extractive Reserve
309.40 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
36 distinct species · 119 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°
26,6°C
Annual rain
2 208mm
Moisture idx (CMI)
0,24
Runoff
877mm/an
PET
1 681mm
AET
1 334mm
Mean slope
1,7°
Water table
74cm
Forest
99%
Crops
0%
Urban
0%
Protected
51%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)