Rivière· 29 segments

River Towy

Crosses 3 administrative regions : Carmarthenshire, Ceredigion, Powys

rivière

Total length

121km

Max discharge

55,9m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-20800499501320 km²

3 administrative regions crossed (GADM L2)

Carmarthenshire
Wales · United Kingdom
77.2 km
in this dpt
Ceredigion
Wales · United Kingdom
4.9 km
in this dpt
Powys
Wales · United Kingdom
3.9 km
in this dpt

23 intersecting protected areas

Bannau Brycheiniog
IUCN V
National Park
Carmarthen Bay and Estuaries/ Bae Caerfyrddin ac Aberoedd
IUCN Not Reported
Emerald Network
Carmarthen Bay and Estuaries / Bae Caerfyrddin ac Aberoedd
IUCN Not Reported
Marine Protected Area (OSPAR)
Elenydd - Mallaen
IUCN Not Reported
Emerald Network
Cwm Doethie - Mynydd Mallaen
IUCN IV
Site of Special Scientific Interest
Cwm Doethie - Mynydd Mallaen
IUCN Not Reported
Emerald Network
Afon Tywi
IUCN IV
Site of Special Scientific Interest
Gwenffrwd/Dinas
IUCN IV
Nature Reserve
Afon Tywi/ River Tywi
IUCN Not Reported
Emerald Network

14 more protected areassorted by area

Dinefwr Estate
IUCN IV
National Nature Reserve
Dinefwr Estate
IUCN IV
Site of Special Scientific Interest
Dinefwr
IUCN V
Nature Reserve
Coedydd Tregyb / Tregyb Woodlands
IUCN IV
Site of Special Scientific Interest
Mwyngloddfa Nantymwyn
IUCN IV
Site of Special Scientific Interest
Allt Y Wern
IUCN IV
Site of Special Scientific Interest
Bishops Pond
IUCN IV
Site of Special Scientific Interest
Allt Y Gaer
IUCN IV
Site of Special Scientific Interest
Ffair Fach Railway Cutting And River Section
IUCN IV
Site of Special Scientific Interest
Cwm Yr Abbey Stream Section
IUCN IV
Site of Special Scientific Interest
Allt Penycoed Stream Section
IUCN IV
Site of Special Scientific Interest
Glan Pibwr Stream Section
IUCN IV
Site of Special Scientific Interest
Crug Farm Quarry
IUCN IV
Site of Special Scientific Interest
Chwarel Talar Wen (Talar Wen Quarry)
IUCN IV
Site of Special Scientific Interest

1 page = 1 named river (aggregation of 29 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 303 distinct species · 5 395 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 River Towy : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 80 interactions GloBI sur 6 types (connectance 13.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.135

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)