HydroBASINS lev08 watershed · #6080122760
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 4 administrative regions : Bajo Baudó, Istmina, Medio Baudó, Medio San Juan
Sub-basin area
537km²
Upstream area
5 430,8km²
Discharge
658,03m³/s
Mean elev.
55m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Río Tamaná1953 km²
- Bassin de Quebrada Suruco247 km²
4 dept-equivalent regions (GADM L2)
- 267.0 km²49.9% of basin
- 256.9 km²48.1% of basin
- 5.6 km²1.0% of basin
- 5.1 km²1.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
132 distinct species · 222 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°
26,3°C
Annual rain
7 391mm
Moisture idx (CMI)
0,79
Runoff
5 669mm/an
PET
1 523mm
AET
1 523mm
Mean slope
2,4°
Water table
69cm
Forest
72%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)