Fleuve majeur· 938 segments
Обь
Crosses 42 administrative regions : Aleksandrovskiy rayon, Barnaul gorsovet, Beloyarskiy rayon, Berezovskiy rayon, Bolotninskiy rayon +37
Total length
3 972km
Max discharge
13 709,6m³/s
Max Strahler
9
Segments matched
938
River geography42 admin regions · 0 communes
42 administrative regions crossed (GADM L2)
- Aleksandrovskiy rayonTomsk · Russia439.4 kmin this dpt
- Oktyabr'skiyKhanty-Mansiy · Russia417.6 kmin this dpt
- Shuryshkarskiy rayonYamal-Nenets · Russia354.2 kmin this dpt
- Kargasokskiy rayonTomsk · Russia348.6 kmin this dpt
- Khanty-Mansiyskiy rayonKhanty-Mansiy · Russia273.9 kmin this dpt
- Surgutskiy rayonKhanty-Mansiy · Russia272.7 kmin this dpt
- Priural' rayonYamal-Nenets · Russia240.0 kmin this dpt
- Beloyarskiy rayonKhanty-Mansiy · Russia223.1 kmin this dpt
- Kolpashevskiy rayonTomsk · Russia219.8 kmin this dpt
- Parabel'skiy rayonTomsk · Russia171.1 kmin this dpt
- Novosibirskiy rayonNovosibirsk · Russia153.8 kmin this dpt
- Nizhnevartovskiy rayonKhanty-Mansiy · Russia142.1 kmin this dpt
- Ordynskiy rayonNovosibirsk · Russia114.7 kmin this dpt
- Bystroistokskiy rayonAltay · Russia114.0 kmin this dpt
- Suzunskiy rayonNovosibirsk · Russia111.9 kmin this dpt
- Kolyvanovskiy rayonNovosibirsk · Russia97.1 kmin this dpt
- Tomskiy rayonTomsk · Russia90.8 kmin this dpt
- Molchanovskiy rayonTomsk · Russia81.7 kmin this dpt
- Krivosheinskiy rayonTomsk · Russia74.6 kmin this dpt
- Kozhevnikovskiy rayonTomsk · Russia72.9 kmin this dpt
- Ust'-Pristanskiy rayonAltay · Russia69.0 kmin this dpt
- Shegarskiy rayonTomsk · Russia67.7 kmin this dpt
- Barnaul gorsovetAltay · Russia62.5 kmin this dpt
- Krutikhinskiy rayonAltay · Russia49.1 kmin this dpt
- Pavlovskiy rayonAltay · Russia41.6 kmin this dpt
- Bolotninskiy rayonNovosibirsk · Russia40.9 kmin this dpt
- Petropavlovskiy rayonAltay · Russia34.8 kmin this dpt
- Kalmanskiy rayonAltay · Russia34.4 kmin this dpt
- Kamenskiy rayonAltay · Russia31.6 kmin this dpt
- Shelabolikhinskiy rayonAltay · Russia29.7 kmin this dpt
- Tal'menskiy rayonAltay · Russia25.7 kmin this dpt
- Chainskiy rayonTomsk · Russia24.1 kmin this dpt
- Zonal'nyy rayonAltay · Russia17.4 kmin this dpt
- Topchikhinskiy rayonAltay · Russia16.4 kmin this dpt
- Pervomayskiy rayonAltay · Russia16.1 kmin this dpt
- Kochenevskiy rayonNovosibirsk · Russia11.1 kmin this dpt
- Iskitimskiy rayonNovosibirsk · Russia4.3 kmin this dpt
- Berezovskiy rayonKhanty-Mansiy · Russia2.9 kmin this dpt
- KolpashevoTomsk · Russia1.4 kmin this dpt
- Nefteyuganskiy rayonKhanty-Mansiy · Russia0.3 kmin this dpt
- Smolenskiy rayonAltay · Russia0.0 kmin this dpt
- SalekhardYamal-Nenets · Russia0.0 kmin this dpt
17 intersecting protected areas
Lower Dvuobje
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Upper Dvuobje
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Suzunskij
IUCN IVState Natural Zakaznik
Surgutskij
IUCN IVState Natural Zakaznik
Tomskij
IUCN IVState Natural Zakaznik
Obskoj
IUCN IVState Natural Zakaznik
Sokolovskij
IUCN IVState Natural Zakaznik
Kisluhinskij
IUCN IVState Natural Zakaznik
Karegodskij
IUCN IVState Natural Zakaznik
8 more protected areassorted by area
Pershinskij
IUCN IVState Natural Zakaznik
Kudryashovskij bor
IUCN IVState Natural Zakaznik
Ust`-CHumyshskij
IUCN IVState Natural Zakaznik
Iglovskij bolotnyj massiv
IUCN IIINatural Monument
Bolotnyj massiv u d. Novouspenka
IUCN IIINatural Monument
Ostrov Smol`nyj
IUCN IIINatural Monument
Ust`e reki Peschanoj
IUCN IIINatural Monument
Tymskij priposelkovyj kedrovnik
IUCN IIINatural Monument
1 page = 1 named river (aggregation of 938 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Hydrology (HydroRIVERS v10)
Total length
3 972km
Max discharge
13 709,6m³/s
Max Strahler
9
Segments matched
938
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.