HydroBASINS lev08 watershed · #2080549930
Bassin de Dora Riparia
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 3 administrative regions across 2 countries : Hautes-Alpes, Savoie, Torino
Sub-basin area
1 348,4km²
Upstream area
1 348,6km²
Discharge
23,11m³/s
Mean elev.
1 627m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1166.1 km²86.3% of basin
- 93.6 km²6.9% of basin
- 91.7 km²6.8% of basin
13 communes (GADM L5)Available for FRA, RWA
- Lanslebourg-Mont-Cenis72.74 km²71% commune
- Névache55.85 km²28% commune
- Montgenèvre26.15 km²59% commune
- Bramans8.82 km²9% commune
- Cervières7.11 km²6% commune
- Modane3.42 km²4% commune
- Sollières-Sardières3.22 km²10% commune
- Avrieux2.68 km²7% commune
- Abriès2.60 km²3% commune
- Bessans1.47 km²1% commune
- Lanslevillard0.93 km²2% commune
- Orelle0.28 km²0% commune
- Valmeinier0.07 km²0% commune
30 intersecting protected areas
Orsiera Rocciavré
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
51.76 km² overlap
Orsiera Rocciavré
IUCN Not ReportedSpecial Protection Area (Birds Directive)
51.76 km² overlap
Regional/Provincial Nature Park
51.71 km² overlap
Biotope Protection Order
49.17 km² overlap
Clarée
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
47.73 km² overlap
Regional/Provincial Nature Park
31.58 km² overlap
Gran Bosco di Salbertrand
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
31.26 km² overlap
Rocciamelone
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
19.39 km² overlap
Bardonecchia - Val Fredda
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
16.86 km² overlap
21 more protected areassorted by overlap area
Les Arnaud e Punta Quattro Sorelle
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
13.28 km² overlap
Oasi xerotermiche della Val di Susa-Orrido di Chianocco
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
12.50 km² overlap
Oasi xerotermica di Oulx - Auberge
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
10.70 km² overlap
Champlas - Colle Sestriere
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
10.50 km² overlap
Valle Thuras
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
9.78 km² overlap
Monte Musiné e Laghi di Caselette
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
8.55 km² overlap
Réseau de vallons d'altitude à Caricion
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.41 km² overlap
Cima Fournier e Lago Nero
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.57 km² overlap
Oasi xerotermica di Puys - Beaulard
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.68 km² overlap
Laghi di Avigliana
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.14 km² overlap
Laghi di Avigliana
IUCN Not ReportedSpecial Protection Area (Birds Directive)
4.14 km² overlap
Regional/Provincial Nature Park
4.08 km² overlap
Boscaglie di Tasso di Giaglione (Val Clarea)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.40 km² overlap
Oasi xerotermica di Oulx - Amazas
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.39 km² overlap
Pendici del Monte Chaberton
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.29 km² overlap
Valle della Ripa (Argentera)
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.27 km² overlap
Regional/Provincial Nature Park
1.84 km² overlap
Riserva nat. sp. dell'Orrido di Foresto e Stazione di Juniperus oxycedrus di Crotte San Giuliano
IUCN IVRegional/Provincial Nature Reserve
1.83 km² overlap
Arnodera - Colle Montabone
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.12 km² overlap
Landes, prairies et habitats rocheux du massif du mont Thabor
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.08 km² overlap
Rochebrune - Izoard - Vallée de la Cerveyrette
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.91 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
6 318 distinct species · 271 927 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Dora Riparia : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 47 interactions GloBI documentées sur 2 types (connectance 17.0%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
5,1°C
Annual rain
1 226mm
Moisture idx (CMI)
0,38
Runoff
563mm/an
PET
666mm
AET
589mm
Mean slope
20,9°
Water table
673cm
Forest
66%
Crops
3%
Urban
12%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)