Ontologia

HydroBASINS lev08 watershed · #6080610320

Bassin de Tunel Transandina

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 : Caylloma, Espinar

Pfafstetter: 67104094

Sub-basin area

468,8km²

Upstream area

468,9km²

Discharge

7,49m³/s

Mean elev.

4 463m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Río Colca403 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

  • Caylloma
    Arequipa · Peru
    465.1 km²
    99.6% of basin
  • Espinar
    Cusco · Peru
    2.0 km²
    0.4% of basin

1 intersecting protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

11 distinct species · 20 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 obs · 3 cellules
Obs. / cellule
≥ 18
18–17
18–17
1–17
< 1

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydroclimate (BasinATLAS lev08)

Mean T°

3,5°C

Annual rain

777mm

Moisture idx (CMI)

-0,28

Runoff

510mm/an

PET

1 084mm

AET

642mm

Mean slope

10,2°

Water table

536cm

Forest

4%

Crops

3%

Urban

0%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)