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Sierra de Guara - Mascun

4 canyons.

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  Barranco Otín

  Big walls, big rappels, and Egyptian vultures: a 48 m drop hung above the first slot section, eight rappels in a habitually dry limestone canyon above Rodellar.

  Rodellar, Huesca High flood
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  Barrasil

  A swimmer on the upper Alcanadre: no rope, long pools, limestone walls, the popular middle-section descent connecting to Gorgas Negras country.

  Rodellar, Huesca High flood
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  Gorgas Negras

  The serious upper Alcanadre day: 3 hr approach, four rappels with the longest at 82 ft, then four-plus hours through swift narrows back toward Rodellar.

  Rodellar, Huesca Extreme flood
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  Mascún Superior

  The Guara emblem: a long day with a long approach, 11 rappels up to 115 ft, swift water, and limestone walls that make a strong case for being the best canyon in the range.

  Rodellar, Huesca High flood