If you want to be accompanied by a specialist qualified guide to do some rock climbing, a technical route in the high mountains or an interpretive route looking at flora and fauna there is plenty of choice
For
technical high mountain routes we suggest:
Fernando
Calvo and Alberto Mediavilla Guias del Picu
http://www.guiasdelpicu.com/
For
English and French speaking interpretive guide we suggest:
Karlos
Seyns http://www.los-picos.net/
