Belesar reservoir

Lugo · Galicia

Miño - Sil basin Reservoirs in GaliciaHydroelectric

Province: Lugo
Basin: Miño - Sil
River: Miño
Dam: Arch · 1963

27.0%

Current level

177 hm³

Stored water

655 hm³

Total capacity

-2.0 hm³

Weekly change

-77.0 hm³

Vs. 2025

-48.7 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Belesar reservoir (embalse de Belesar), in the Miño - Sil basin and linked to Chantada, Lugo and Galicia, is at 27.0% of its capacity, holding 177 hm³ against a maximum capacity of 655 hm³. It is currently falling, by 2.0 hm³ this week.

Compared with 2025: below (-11.8 points). Compared with the recent historical mean: below (-7.4 points).

Its main uses include water supply and hydroelectric power.

References
Reference	Level	Difference
Previous week	27.3%	-0.3 pts
Same week 2025	38.8%	-11.8 pts
10-year mean	34.5%	-7.4 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Chantada
River: Miño
Dam type: Arch
Year built: 1963
Surface area: 1,910 ha
Upstream: — no data
Downstream: Los Peares

Recorded uses

Water supply
Electricity
Fishing
Boating
Swimming
Restaurants

Not recorded: irrigation, industrial, picnic.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET