Altaoja
- Information on camping at Yaso, center of the Guara mountain range.
- http://www.ya13.com/ya13.com/Altaoja/

Aragon Guide
- Tourism guide and travel information, details of accommodation, bars and restaurants, routes and travel tips.
- http://www.aragonguide.com/

Avalancha advenure sports
- Offers slopedown, hillwalks, trekking, rock-climbin, alpine skiing and speleology in Huesca. Also lodging in an hotel and a restaurant.
- http://www.avalancha-guara.com/

Valle del Aragón.
- Guide of the valley of the Aragon river, at the spanish Pyrenees. Sports, adventure, art, gastronomy and natural sceneries wich deserve your detailed visit.
- http://www.valledelaragon.com/ingles/

Maestrazgo
- Offers information about Mastrazgo's Cultural Park ant its services.
- http://www.turismomaestrazgo.com/