Rivière· 126 segments
Mattagami River
Crosses 3 administrative regions : Cochrane, Sudbury, Timiskaming
Total length
417km
Max discharge
453,9m³/s
Max Strahler
6
Segments matched
126
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- CochraneOntario · Canada485.7 kmin this dpt
- SudburyOntario · Canada36.9 kmin this dpt
- TimiskamingOntario · Canada27.5 kmin this dpt
6 intersecting protected areas
Provincial Park
Provincial Park
Conservation Reserve
Conservation Reserve
Provincial Park
Provincial Park
1 page = 1 named river (aggregation of 126 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
417km
Max discharge
453,9m³/s
Max Strahler
6
Segments matched
126
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.