Cañón de Santolea

As of September 7, 2026, Cañón de Santolea is filled to 20.7% of its total capacity, holding roughly 17 hm³ of water out of a maximum 82 hm³. At this level the reservoir is low. Of that total, about 74 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 3.7 percentage points, and it is 50.0 points below its level on the same date a year earlier.

Across the readings we hold for Cañón de Santolea — 206 data points between October 4, 2022 and September 7, 2026 — the level has ranged from a low of 4.9% (October 8, 2024) to a high of 75.6% (April 28, 2026). On average the reservoir is fullest around April and at its lowest around October.

It is operated by CHE primarily for multiple purposes. It lies within the Ebro basin at 0.000°N, 0.000°E.