Rivière· 151 segments
Río Negro
Crosses 20 administrative regions : Capital, Corumbá, Fuerte Olimpo, General Donovan, General José de San Martín +15
Total length
7 781km
Max discharge
266,5m³/s
Max Strahler
6
Segments matched
151
River geography20 admin regions · 0 communes
20 administrative regions crossed (GADM L2)
- PiranéFormosa · Argentina146.3 kmin this dpt
- PatiñoFormosa · Argentina138.3 kmin this dpt
- Sargento CabralChaco · Argentina72.1 kmin this dpt
- Villa HayesPresidente Hayes · Paraguay64.5 kmin this dpt
- LibertadChaco · Argentina58.0 kmin this dpt
- General DonovanChaco · Argentina55.2 kmin this dpt
- San PedroJujuy · Argentina54.2 kmin this dpt
- LedesmaJujuy · Argentina44.9 kmin this dpt
- Germán BuschSanta Cruz · Bolivia42.9 kmin this dpt
- TilcaraJujuy · Argentina42.0 kmin this dpt
- Fuerte OlimpoAlto Paraguay · Paraguay32.8 kmin this dpt
- CapitalJujuy · Argentina25.5 kmin this dpt
- Veinticinco de MayoChaco · Argentina22.7 kmin this dpt
- IruyaSalta · Argentina21.8 kmin this dpt
- PalpaláJujuy · Argentina20.5 kmin this dpt
- San FernandoChaco · Argentina19.5 kmin this dpt
- Libertador General San MartínChaco · Argentina12.7 kmin this dpt
- Gran ChacoTarija · Bolivia7.6 kmin this dpt
- CorumbáMato Grosso do Sul · Brazil6.2 kmin this dpt
- General José de San MartínSalta · Argentina0.0 kmin this dpt
9 intersecting protected areas
Reserva de la Biosfera del Chaco
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Reserva de la Biosfera del Chaco
IUCN Not ReportedBiosphere Reserve-National & UNESCO-MAB
Las Yungas
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Otuquis
IUCN Not ReportedNational Park
Humedales Chaco
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Rio Negro
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Rio Negro
IUCN IINational Park Reservations
Serranias de Zapla
IUCN VIMultiple Use Municipal Ecological Reserve
Chaco
IUCN IINational Park
1 page = 1 named river (aggregation of 151 HydroRIVERS v10 segments). Spatial join 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.
Hydrology (HydroRIVERS v10)
Total length
7 781km
Max discharge
266,5m³/s
Max Strahler
6
Segments matched
151
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.