Fleuve· 562 segments
Rio Parnaíba
Crosses 52 administrative regions : Alto Parnaíba, Amarante, Antônio Almeida, Araioses, Barreiras do Piauí +47
Total length
1 391km
Max discharge
1 044,2m³/s
Max Strahler
8
Segments matched
562
River geography52 admin regions · 0 communes
52 administrative regions crossed (GADM L2)
- Ribeiro GonçalvesPiauí · Brazil114.7 kmin this dpt
- Santa FilomenaPiauí · Brazil112.7 kmin this dpt
- Benedito LeiteMaranhão · Brazil99.8 kmin this dpt
- Nova IorqueMaranhão · Brazil87.2 kmin this dpt
- CaxiasMaranhão · Brazil86.8 kmin this dpt
- São Francisco do MaranhãoMaranhão · Brazil78.6 kmin this dpt
- Alto ParnaíbaMaranhão · Brazil77.8 kmin this dpt
- Barão de GrajaúMaranhão · Brazil76.3 kmin this dpt
- Tasso FragosoMaranhão · Brazil72.8 kmin this dpt
- PalmeiraisPiauí · Brazil70.7 kmin this dpt
- TimonMaranhão · Brazil62.4 kmin this dpt
- Magalhães de AlmeidaMaranhão · Brazil62.1 kmin this dpt
- UniãoPiauí · Brazil62.1 kmin this dpt
- ParnaramaMaranhão · Brazil51.8 kmin this dpt
- Miguel AlvesPiauí · Brazil50.9 kmin this dpt
- UruçuíPiauí · Brazil50.7 kmin this dpt
- AmarantePiauí · Brazil49.6 kmin this dpt
- TeresinaPiauí · Brazil48.9 kmin this dpt
- AraiosesMaranhão · Brazil45.6 kmin this dpt
- FlorianoPiauí · Brazil44.8 kmin this dpt
- São João dos PatosMaranhão · Brazil43.9 kmin this dpt
- São BernardoMaranhão · Brazil41.4 kmin this dpt
- Porto Alegre do PiauíPiauí · Brazil40.0 kmin this dpt
- BuritiMaranhão · Brazil37.9 kmin this dpt
- MatõesMaranhão · Brazil30.6 kmin this dpt
- MadeiroPiauí · Brazil27.5 kmin this dpt
- LuzilândiaPiauí · Brazil27.3 kmin this dpt
- BrejoMaranhão · Brazil25.3 kmin this dpt
- NazáriaPiauí · Brazil24.1 kmin this dpt
- Murici dos PortelasPiauí · Brazil23.7 kmin this dpt
- LoretoMaranhão · Brazil23.0 kmin this dpt
- ParnaíbaPiauí · Brazil20.5 kmin this dpt
- GuadalupePiauí · Brazil20.0 kmin this dpt
- Barreiras do PiauíPiauí · Brazil18.2 kmin this dpt
- Coelho NetoMaranhão · Brazil17.2 kmin this dpt
- Duque BacelarMaranhão · Brazil16.5 kmin this dpt
- Santa Quitéria do MaranhãoMaranhão · Brazil15.9 kmin this dpt
- PortoPiauí · Brazil15.4 kmin this dpt
- São Félix de BalsasMaranhão · Brazil15.2 kmin this dpt
- Matias OlímpioPiauí · Brazil14.6 kmin this dpt
- Campo Largo do PiauíPiauí · Brazil13.9 kmin this dpt
- SambaíbaMaranhão · Brazil13.7 kmin this dpt
- GilbuésPiauí · Brazil13.7 kmin this dpt
- Buriti dos LopesPiauí · Brazil12.8 kmin this dpt
- Ilha GrandePiauí · Brazil11.8 kmin this dpt
- JerumenhaPiauí · Brazil11.7 kmin this dpt
- Joca MarquesPiauí · Brazil10.4 kmin this dpt
- Milagres do MaranhãoMaranhão · Brazil10.1 kmin this dpt
- Joaquim PiresPiauí · Brazil4.5 kmin this dpt
- Antônio AlmeidaPiauí · Brazil2.9 kmin this dpt
- Pastos BonsMaranhão · Brazil0.0 kmin this dpt
- CurralinhosPiauí · Brazil0.0 kmin this dpt
7 intersecting protected areas
Wetland of International Importance (Ramsar Site)
Environmental Protection Area
Park
Environmental Protection Area
Environmental Protection Area
Área De Proteção Ambiental Da Foz Do Rio Das Preguiças - Pequenos Lençóis - Região Lagunar Adjacente
IUCN VEnvironmental Protection Area
Extractive Reserve
1 page = 1 named river (aggregation of 562 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
Not enough documented interactions to build a meaningful graph for this territory.
Hydrology (HydroRIVERS v10)
Total length
1 391km
Max discharge
1 044,2m³/s
Max Strahler
8
Segments matched
562
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.