La Bolera

As of September 7, 2026, La Bolera is filled to 53.7% of its total capacity, holding roughly 29 hm³ of water out of a maximum 54 hm³. At this level the reservoir is within its normal operating range. Of that total, about 49 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 1.9 percentage points, and it is 27.8 points above its level on the same date a year earlier.

Across the readings we hold for La Bolera — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 16.7% (October 28, 2025) to a high of 94.4% (March 17, 2026). On average the reservoir is fullest around April and at its lowest around November.

It is operated by CHGu primarily for multiple purposes. It lies within the Guadalquivir basin at 37.782°N, 2.900°W.