Prepirenaica is the great tour going through the Aragonese Southern Pyrenees from west to east, passing by the best natural areas of Sierra de Santo Domingo, Reino de los Mallos and Sierra de Guara ranges. An extremely beautiful journey where you’ll get to experience the natural and cultural wonders of this privileged and diverse area. A trail that connects ancient villages going through a series of remote areas where medieval treasures are hidden.  On this journey, you will enjoy unique landscapes characterized by deep gorges, green prairies and 400 meters high conglomerate and limestone walls. A trail that every hiker and trail runner must experience.

Information request

Prepirenaica Trail is a self-guided hiking and trail running tour, designed to be done with a GPS device and the support of materials provided through this website.

Prepirenaica Trail is not marked, although many of its sections are part of other local trails so they marked with distinctive signs. However, there is not a common signaling.  

Trails are usually well preserved but their conditions can change from one stage to another. In case of finding a section in poor condition please, contact us!

In many sections, there is not mobile coverage. Remember that the phone number in case of emergencies is 112.

Prepirenaica Trail can be done all year round, although in the summer season temperatures can be high. Try to plan the stage avoiding noon. It is recommended to get up early and finish the stage before 13 h.

Prepirenaica Trail requires a user level of GPS management.  In case you do not have it, it is recommended to hire a qualifies guide. Check Prepyr services on this website.

There are opened mountain shelters that can be used for overnight stays. If you decide to use the, please, respect the rules of use and remember to leave it as you found it.

Remember the practical advice of security of the Aragonese Mountain Federation:

  • Avoid hiking alone.
  • Equipment must be in perfect conditions of use.
  • Save strength for the way back. Never hurry up the mountain.
  • Use maps and books. If you have no experience hire qualified guides.
  • First aid courses teach you how to prevent and act in case of accident.
  • Check weather forecasts
  • Calculate the planned schedule and distances
  • Prepare an alternative plan in case you must shorten the activity
  • Equip your backpack before going on a trip
Plan your trip
General info

Prepirenaica Trail is a 12-stage journey going through the best corners of Southern Pyrenees where you will discover the natural and cultural wonders of this territory. Throughout the different stages, you can enjoy outstanding landscapes like Foz de Salinas, Mallos de Riglos and Barranco del Mascún, visit charming villages such as Uncastillo, Agüero or Alquézar, and discover a historical heritage as valuable as the medieval Sos del Rey Católico, Ermita de la Virgen de la Peña, Castle of Loarre and the uninhabited villages of Sierra de Guara. Are you ready for Prepirenaica Trail? Enjoy!

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