HydroBASINS lev08 watershed · #8080273060
Bassin de Tana 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 : Valdez-Cordova
Sub-basin area
261,7km²
Upstream area
4 232,5km²
Discharge
304,26m³/s
Mean elev.
1 193m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Granite Creek768 km²
- Bassin de Granite Creek57 km²
1 dept-equivalent regions (GADM L2)
- 263.2 km²100.0% of basin
3 intersecting protected areas
Kluane / Wrangell-St Elias / Glacier Bay / Tatshenshini-Alsek
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
263.19 km² overlap
Wrangell-St. Elias
IUCN IINational Park
263.19 km² overlap
Wrangell-Saint Elias
IUCN IbWilderness Area
263.19 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
17 distinct species · 17 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°
-2,8°C
Annual rain
1 315mm
Moisture idx (CMI)
0,69
Runoff
1 579mm/an
PET
408mm
AET
407mm
Mean slope
15,3°
Water table
459cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)