HydroBASINS lev08 watershed · #6080179480
Bassin de Río Siapa
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 across 2 countries : Alto Orinoco, Río Negro, Santa Isabel do Rio Negro
Sub-basin area
2 170,7km²
Upstream area
2 170,8km²
Discharge
107,47m³/s
Mean elev.
597m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 2112.1 km²97.7% of basin
- 37.9 km²1.8% of basin
- 11.0 km²0.5% of basin
8 intersecting protected areas
Alto Orinoco - Casiquiare
IUCN VIBiosphere Reserve (RB)
2127.27 km² overlap
Alto Orinoco - Casiquiare
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
2127.27 km² overlap
Serranía La Neblina
IUCN IINational Park (PN)
1192.27 km² overlap
Paríma - Tapirapeco
IUCN IINational Park (PN)
899.21 km² overlap
Sierra Unturán
IUCN IIINatural Monument (MN)
138.57 km² overlap
Yanomami
IUCN Not ReportedIndigenous Area
31.42 km² overlap
Park
31.00 km² overlap
Forest
0.53 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
56 distinct species · 66 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°
24,1°C
Annual rain
2 834mm
Moisture idx (CMI)
0,41
Runoff
1 529mm/an
PET
1 656mm
AET
1 648mm
Mean slope
5,9°
Water table
129cm
Forest
100%
Crops
0%
Urban
0%
Protected
85%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)