Rivière· 52 segments

Flathead River

Crosses 3 administrative regions : Flathead, Lake, Sanders

rivière

Total length

149km

Max discharge

377,1m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-70803313001183 km²

3 administrative regions crossed (GADM L2)

Flathead
Montana · United States
196.1 km
in this dpt
Lake
Montana · United States
34.4 km
in this dpt
Sanders
Montana · United States
7.4 km
in this dpt

17 intersecting protected areas

Waterton Glacier International Peace Park
IUCN Not Applicable
World Heritage Site (natural or mixed)
Waterton Glacier International Peace
IUCN Not Applicable
UNESCO-MAB Biosphere Reserve
Glacier
IUCN II
National Park
Glacier Proposed or Recom
IUCN Ib
Recommended Wilderness
Flathead, Montana
IUCN V
Wild and Scenic River
Coram
IUCN V
Experimental Forest
Wetlands Reserve Program (WRP), Flathead, MT
IUCN V
Reserve Program
Flathead County
IUCN VI
Waterfowl Production Area
Egan Slough
IUCN V
Easement

8 more protected areassorted by area

Flathead Valley-Swan Front Macrosite
IUCN V
Easement
North Fork Flathead River Megasite
IUCN V
Easement
Tract 5800
IUCN Not Assigned
SCENIC EASEMENT
Flathead River Wildlife Habitat Protection Area
IUCN V
Wildlife Habitat Protection Area
Tract 5640
IUCN Not Assigned
SCENIC EASEMENT
Tract 6140 & Tract 6150
IUCN Not Assigned
SCENIC EASEMENT
Tract 5691
IUCN Not Assigned
SCENIC EASEMENT
Tract 5800.1
IUCN Not Assigned
SCENIC EASEMENT

1 page = 1 named river (aggregation of 52 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

247 distinct species · 4 452 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Flathead River : 17 espèces reliées par 77 interactions GloBI sur 3 types (connectance 20.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.204

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)