Rivière· 28 segments
Yan Oya
Crosses 7 administrative regions : Gomarankadawala, Horowpothana, Kebithigollewa, Kuchchaveli, Morawewa +2
Total length
77km
Max discharge
24,5m³/s
Max Strahler
4
Segments matched
28
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
- HorowpothanaAnuradhapura · Sri Lanka36.0 kmin this dpt
- GomarankadawalaTrincomalee · Sri Lanka18.7 kmin this dpt
- Padavi Sri PuraTrincomalee · Sri Lanka13.2 kmin this dpt
- KuchchaveliTrincomalee · Sri Lanka7.7 kmin this dpt
- MorawewaTrincomalee · Sri Lanka7.2 kmin this dpt
- KebithigollewaAnuradhapura · Sri Lanka3.2 kmin this dpt
- PadaviyaAnuradhapura · Sri Lanka0.0 kmin this dpt
4 intersecting protected areas
Paddawiya
IUCN IbReserved Forest
Pamburugashinna
IUCN IbReserved Forest
Reserved Forest
Simbillakanda
IUCN IbReserved Forest
1 page = 1 named river (aggregation of 28 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
77km
Max discharge
24,5m³/s
Max Strahler
4
Segments matched
28
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.