GR 45 - Somontano Trail

The GR 45 - Somontano Trail is a 146.2 km trail that starts in Bierge, Bierge, Spain. Based on our data, the hike is graded as Difficult. For information on how we grade trails, please read measuring the difficulty of a hiking trail on hiiker. Also, check our latest community posts for trail updates. This hike can be completed in approx 6 days. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.