Slot Canyon Atlas

Atlas › Sierra de Guara - Vero / Alquezar

Río Vero

not verifiedpermit verified 2026-08-19 ACA 2C Moderate flood risk Alquezar, Huesca
Río Vero
Lozano Manzanedo, CC BY-SA 4.0, via Wikimedia Commons

The signature aquatic walk of the Alquezar side of Guara: limestone narrows, blue water, no rope work, exit at an ancient dam onto the trail back into Alquezar.

Park near the small dam at the listed coordinates and descend the obvious path in about 15 minutes, or start from Lecina to the northwest (25 minutes downhill). Exit canyon right at the old dam and follow the maintained trail up to Alquezar or down to Puente de Fuendebaños. Wetsuit required by park rule even in midsummer; the water is cold. Duplicate row vero (2026-08-21 import) merged 2026-08-22: its RopeWiki 2C rating is carried, consistent with this record's non technical aquatic description since class 2 means rope optional. Its 49 ft longest-rappel figure is not adopted: the rappels are optional (0 to 5 per the CSV) and this record describes a walk-through.

Logistics

ManagerParque Natural de la Sierra y los Cañones de Guara
PermitNo permit or registration required for individuals. Group cap 10 persons (excluding guide) per Decreto 204/2014 (PRUG). Minimum 10 minutes between groups entering the canyon. Neoprene mandatory.
Distance5.0
Elevation~820 ft loss
Time5-7 hr
TechnicalNon-technical aquatic descent through limestone narrows. Ropewiki rates 2C III (v1a3 III). No rappels required; multiple optional jumps, sustained swimming sections, narrow squeezes, minor hydraulic hazards avoidable at certain flows. Optional 20 km shuttle.
SeasonYear round flows, best Apr-Oct
Flood riskModerate. Cancel on any forecast storm in the upper Vero or Lecina basin; the slot fills quickly.
Vehicle access2WD, paved approach to Lecina and to the dam pullout
CrowdHeavy in season. Commercial groups daily Jul-Aug.
Coordinates42.221, 0.0434

Sources