Rivière· 326 segments
Rio Mearim
Crosses 23 administrative regions : Arari, Bacabal, Barra do Corda, Bernardo do Mearim, Conceição do Lago-Açu +18
Total length
1 086km
Max discharge
614,2m³/s
Max Strahler
6
Segments matched
326
River geography23 admin regions · 0 communes
23 administrative regions crossed (GADM L2)
- Barra do CordaMaranhão · Brazil261.0 kmin this dpt
- GrajaúMaranhão · Brazil246.6 kmin this dpt
- Formosa da Serra NegraMaranhão · Brazil160.5 kmin this dpt
- ArariMaranhão · Brazil116.6 kmin this dpt
- BacabalMaranhão · Brazil72.1 kmin this dpt
- Jenipapo dos VieirasMaranhão · Brazil60.0 kmin this dpt
- EsperantinópolisMaranhão · Brazil59.9 kmin this dpt
- JoselândiaMaranhão · Brazil52.6 kmin this dpt
- PedreirasMaranhão · Brazil51.1 kmin this dpt
- São Luís Gonzaga do MaranhãoMaranhão · Brazil44.1 kmin this dpt
- Vitória do MearimMaranhão · Brazil38.3 kmin this dpt
- São Mateus do MaranhãoMaranhão · Brazil37.5 kmin this dpt
- São RobertoMaranhão · Brazil28.5 kmin this dpt
- Conceição do Lago-AçuMaranhão · Brazil27.5 kmin this dpt
- Trizidela do ValeMaranhão · Brazil26.4 kmin this dpt
- Poção de PedrasMaranhão · Brazil25.1 kmin this dpt
- Bernardo do MearimMaranhão · Brazil22.0 kmin this dpt
- São Raimundo do Doca BezerraMaranhão · Brazil13.6 kmin this dpt
- Matões do NorteMaranhão · Brazil4.0 kmin this dpt
- Lago VerdeMaranhão · Brazil1.0 kmin this dpt
- Lima CamposMaranhão · Brazil0.2 kmin this dpt
- São José dos BasíliosMaranhão · Brazil0.1 kmin this dpt
- Santo Antônio dos LopesMaranhão · Brazil0.0 kmin this dpt
5 intersecting protected areas
Environmental Protection Area
Wetland of International Importance (Ramsar Site)
Cana Brava/Guajajara
IUCN Not ReportedIndigenous Area
Bacurizinho
IUCN Not ReportedIndigenous Area
Bacurizinho
IUCN Not ReportedIndigenous Area
1 page = 1 named river (aggregation of 326 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydrology (HydroRIVERS v10)
Total length
1 086km
Max discharge
614,2m³/s
Max Strahler
6
Segments matched
326
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.