Guadalén reservoir

Jaén · Andalucía

Guadalquivir basin Reservoirs in Andalucía

Province: Jaén
Basin: Guadalquivir
River: Guadalén
Dam: Gravity · 1954

43.6%

Current level

71 hm³

Stored water

163 hm³

Total capacity

-1.0 hm³

Weekly change

+36.0 hm³

Vs. 2025

+35.5 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Guadalén reservoir (embalse de Guadalén), in the Guadalquivir basin and linked to Arquillos, Vilches, Jaén and Andalucía, is at 43.6% of its capacity, holding 71 hm³ against a maximum capacity of 163 hm³. It is currently falling, by 1.0 hm³ this week.

Compared with 2025: above (+22.1 points). Compared with the recent historical mean: above (+22.2 points).

Its main uses include water supply, irrigation and hydroelectric power.

References
Reference	Level	Difference
Previous week	44.2%	-0.6 pts
Same week 2025	21.5%	+22.1 pts
10-year mean	21.4%	+22.2 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Arquillos, Vilches
River: Guadalén
Dam type: Gravity
Year built: 1954
Surface area: 1,351 ha
Upstream: — no data
Downstream: No

Recorded uses

Water supply
Irrigation
Electricity
Fishing
Boating

Not recorded: industrial, swimming, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET