Rivière· 97 segments
San
Crosses 14 administrative regions : Bieszczady, Brzozów, Jarosław, Lesko, Leżajsk +9
Total length
468km
Max discharge
110,9m³/s
Max Strahler
5
Segments matched
97
River geography14 admin regions · 0 communes
14 administrative regions crossed (GADM L2)
- PrzemyślPodkarpackie · Poland58.3 kmin this dpt
- JarosławPodkarpackie · Poland49.1 kmin this dpt
- LeskoPodkarpackie · Poland47.4 kmin this dpt
- Stalowa WolaPodkarpackie · Poland39.7 kmin this dpt
- LeżajskPodkarpackie · Poland36.0 kmin this dpt
- NiskoPodkarpackie · Poland28.9 kmin this dpt
- SanokPodkarpackie · Poland26.8 kmin this dpt
- BieszczadyPodkarpackie · Poland26.6 kmin this dpt
- PrzeworskPodkarpackie · Poland19.7 kmin this dpt
- BrzozówPodkarpackie · Poland17.1 kmin this dpt
- RzeszówPodkarpackie · Poland11.0 kmin this dpt
- TarnobrzegPodkarpackie · Poland1.4 kmin this dpt
- Przemyśl (City)Podkarpackie · Poland0.3 kmin this dpt
- SandomierzŚwiętokrzyskie · Poland0.0 kmin this dpt
30 intersecting protected areas
Bieszczady
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Bieszczady
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Wschodniobeskidzki Obszar Chronionego Krajobrazu
IUCN Not AssignedProtected Landscape Area
Pogórze Przemyskie
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Landscape Park
Lasy Janowskie
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Landscape Park
Góry Słonne
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Sieniawski Obszar Chronionego Krajobrazu
IUCN Not AssignedProtected Landscape Area
21 more protected areassorted by area
Przemysko-Dynowski Obszar Chronionego Krajobrazu
IUCN Not AssignedProtected Landscape Area
Ostoja Góry Słonne
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Ostoja Przemyska
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Landscape Park
Kuryłowski Obszar Chronionego Krajobrazu
IUCN Not AssignedProtected Landscape Area
Dolina Dolnego Sanu
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Dolina Dolnej Tanwi
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Dorzecze Górnego Sanu
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Rzeka San
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Wisła pod Zawichostem
IUCN Not AssignedNature Reserve
Starodub w Pełkiniach
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Krywe
IUCN IVNature Reserve
Wisła pod Zawichostem
IUCN Not AssignedNature Reserve
Przysłup
IUCN Not AssignedNature Reserve
Nature Reserve
Nad Jeziorem Myczkowieckim
IUCN IVNature Reserve
Przełom Sanu pod Grodziskiem
IUCN IVNature Reserve
Sanisko w Bykowcach
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Grąd w Średniej Wsi
IUCN IVNature Reserve
Sochy
IUCN Not AssignedNature Reserve
Las Klasztorny
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 97 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
59 distinct species · 84 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 San : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 4 types (connectance 11.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
468km
Max discharge
110,9m³/s
Max Strahler
5
Segments matched
97
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.