HydroBASINS lev08 watershed · #4080605710

Bassin de 遠山川

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 7 administrative regions : Iida, Kawanehon, Shizuoka, Takagi, Tenryū +2

Pfafstetter: 41301766

Sub-basin area

343,9km²

Upstream area

343,9km²

Discharge

12,47m³/s

Mean elev.

1 342m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de 天竜川183 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

7 dept-equivalent regions (GADM L2)

Iida
Nagano · Japan
328.0 km²
95.4% of basin
Tenryū
Nagano · Japan
9.1 km²
2.7% of basin
Takagi
Nagano · Japan
2.6 km²
0.8% of basin
Shizuoka
Shizuoka · Japan
2.5 km²
0.7% of basin
Yasuoka
Nagano · Japan
1.6 km²
0.5% of basin
Kawanehon
Shizuoka · Japan
0.0 km²
0.0% of basin
Ōshika
Nagano · Japan
0.0 km²
0.0% of basin

15 intersecting protected areas

Minami alps
IUCN Not Applicable
UNESCO-MAB Biosphere Reserve
144.55 km² overlap
Minami alps
IUCN II
National Park
36.04 km² overlap
Minamiarupusu（Hijiridaketo）
IUCN IV
Biocenosis Protected Forest
29.35 km² overlap
Minami alps nanbu
IUCN IV
Prefectural Wildlife Protection Area
28.14 km² overlap
Minamiarupusunambu Tekaridake
IUCN Ib
Forest Ecosystem Reserve
15.86 km² overlap
Hontaniyama
IUCN IV
Prefectural Wildlife Protection Area
12.81 km² overlap
Kanamoriyama
IUCN IV
Prefectural Wildlife Protection Area
4.60 km² overlap
Senzumisakubo
IUCN IV
Prefectural Wildlife Protection Area
1.28 km² overlap
Ikawa mountains and forest
IUCN Not Applicable
OECM
0.90 km² overlap

6 more protected areassorted by overlap area

Oigawa genryubu
IUCN Ia
Wilderness Area
0.88 km² overlap
Mangogawa
IUCN IV
Prefectural Wildlife Protection Area
0.59 km² overlap
Tenryu-Okumikawa
IUCN V
Quasi National Park
0.37 km² overlap
Kaminoishi Shida
IUCN IV
Rare Population Protected Forest
0.20 km² overlap
Yakyo
IUCN IV
Prefectural Wildlife Protection Area
0.04 km² overlap
Ujinoriyama
IUCN IV
Prefectural Wildlife Protection Area
0.00 km² overlap

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

Species present

1 434 distinct species · 6 800 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°

7,7°C

Annual rain

2 084mm

Moisture idx (CMI)

0,59

Runoff

1 140mm/an

PET

844mm

AET

844mm

Mean slope

27,9°

Water table

859cm

Forest

93%

Crops

Urban

Protected

17%

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