Ontologia

Rivière· 126 segments

Mattagami River

Crosses 3 administrative regions : Cochrane, Sudbury, Timiskaming

rivière

Total length

417km

Max discharge

453,9m³/s

Max Strahler

6

Segments matched

126

River geography3 admin regions · 0 communes

Parent watershed

hybas-7080291670357 km²

3 administrative regions crossed (GADM L2)

  • Cochrane
    Ontario · Canada
    485.7 km
    in this dpt
  • Sudbury
    Ontario · Canada
    36.9 km
    in this dpt
  • Timiskaming
    Ontario · Canada
    27.5 km
    in this dpt

6 intersecting protected areas

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

Not enough documented interactions to build a meaningful graph for this territory.

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.