HydroBASINS lev08 watershed · #5080260090
Bassin de Hann 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 1 administrative regions : Derby-West Kimberley
Sub-basin area
268,9km²
Upstream area
269km²
Discharge
0,81m³/s
Mean elev.
376m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 268.0 km²100.0% of basin
2 intersecting protected areas
Mornington
IUCN IIPrivate Nature Reserve
194.03 km² overlap
Marion Downs
IUCN IIPrivate Nature Reserve
21.41 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 distinct species · 5 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
26,6°C
Annual rain
760mm
Moisture idx (CMI)
-0,61
Runoff
97mm/an
PET
1 950mm
AET
641mm
Mean slope
0,8°
Water table
294cm
Forest
29%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)