Fleuve· 32 segments

Sandy River

Crosses 3 administrative regions : Clackamas, Clark, Multnomah

fleuve

Total length

536km

Max discharge

5 874,5m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-70803973501299 km²

3 administrative regions crossed (GADM L2)

Clackamas
Oregon · United States
68.6 km
in this dpt
Multnomah
Oregon · United States
28.7 km
in this dpt
Clark
Washington · United States
0.0 km
in this dpt

18 intersecting protected areas

Mount Hood
IUCN Ib
Wilderness
Salmon-Huckleberry
IUCN Ib
Wilderness
Sandy, Oregon
IUCN V
Wild and Scenic River
Sandy River Segment C
IUCN V
Designated - Recreational
Sandy River Section B
IUCN V
Designated - Recreational
Salmon River Segment E
IUCN V
Designated - Scenic
Sandy River Segment C
IUCN V
Designated - Scenic
Sandy River Section A
IUCN V
Designated - Wild
Sandy River Gorge
IUCN V
Private Conservation Land

9 more protected areassorted by area

Buck and Gordon Creeks
IUCN V
Natural Area
Sandy Ridge Trail System
IUCN V
Trail
Sandy River - Cedar Creek
IUCN V
Access
Springdale
IUCN V
Natural Area
Unknown
IUCN V
Park
Chinquapin Bluffs
IUCN V
Natural Area
William B. Jones
IUCN V
Natural Area
Carolyn Taylor
IUCN V
Natural Area
Asakawa Farm
IUCN V
Natural Area

1 page = 1 named river (aggregation of 32 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

87 distinct species · 163 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 36 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 Sandy River : 34 espèces reliées par 31 interactions GloBI sur 6 types (connectance 4.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.049

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)