HydroBASINS lev08 watershed · #7080420000
Bassin de John Day River
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 2 administrative regions : Grant, Wheeler
Sub-basin area
316km²
Upstream area
5 470,4km²
Discharge
12,23m³/s
Mean elev.
1 109m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rock Creek763 km²
- Bassin de John Day River290 km²
2 dept-equivalent regions (GADM L2)
- Grant171.0 km²54.0% of basin
- Wheeler145.6 km²46.0% of basin
1 intersecting protected areas
John Day Fossil Beds
IUCN VNational Monument
10.93 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
600 distinct species · 9 646 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
7,5°C
Annual rain
388mm
Moisture idx (CMI)
-0,63
Runoff
103mm/an
PET
1 062mm
AET
333mm
Mean slope
12,9°
Water table
849cm
Forest
14%
Crops
2%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)