CIRCULAR TO COLLADO JERMOSO Nice route to know this beautiful refuge. 700€ Physical difficulty: Technical difficulty: Duration: 2 days NARANJO DE BULNES TREKKING Circular route around the Picu Urriellu. 700€ Physical difficulty: Technical difficulty: Duration: 2 days BIG CROSSING OF THE MASSIF CENTRAL A route through the highest areas of Picos de Europa. 1200€ Physical difficulty: Technical difficulty: Duration: 3 days VINDIO RING OF LOS PICOS A four-days circular route around the Western Massif 1500€ Physical difficulty: Technical difficulty: Duration: 4 days "EXTREM" RING OF LOS PICOS The High Route of Picos de Europa. 2800€ Physical difficulty: Technical difficulty: Duration: 7 days ONE DAY WALKING ROUTES AND ASCENSIONS Multitude of routes of different difficulties. 350€ Physical difficulty: Technical difficulty: Duration: 1 día