HydroBASINS lev08 watershed · #6080128590
Bassin de Río San Juan
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 : Bajo Baudó, El Litoral del San Juan, Istmina
Sub-basin area
137,3km²
Upstream area
10 206,7km²
Discharge
1 269,83m³/s
Mean elev.
49m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Docordó227 km²
- Bassin de Río San Juan101 km²
3 dept-equivalent regions (GADM L2)
- 107.5 km²78.7% of basin
- 29.1 km²21.3% of basin
- 0.1 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
73 distinct species · 283 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°
26,0°C
Annual rain
6 476mm
Moisture idx (CMI)
0,78
Runoff
5 339mm/an
PET
1 453mm
AET
1 453mm
Mean slope
3,2°
Water table
109cm
Forest
70%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)