CIRCULAR TO COLLADO JERMOSO Nice route to know this beautiful refuge. Desde 90€ / Physical difficulty: Technical difficulty: Duration: 2 days NARANJO DE BULNES TREKKING Circular route around the Picu Urriellu. Desde 90€ / Physical difficulty: Technical difficulty: Duration: 2 days BIG CROSSING OF THE MASSIF CENTRAL A route through the highest areas of Picos de Europa. Desde 160€ / Physical difficulty: Technical difficulty: Duration: 3 days VINDIO RING OF LOS PICOS A four-days circular route around the Western Massif Desde 220€ / Physical difficulty: Technical difficulty: Duration: 4 days "EXTREM" RING OF LOS PICOS The High Route of Picos de Europa. Desde 420€ / Physical difficulty: Technical difficulty: Duration: 7 days ONE DAY WALKING ROUTES AND ASCENSIONS Multitude of routes of different difficulties. Desde 45€ / Physical difficulty: Technical difficulty: Duration: 1 día