GR 16 Serrablo Trail

The GR 16 Serrablo Trail is a 56.8 km trail that starts in Biescas, Biescas, Spain. Based on our data, the hike is graded as Medium. 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 3 days. Caution is advised on trail times as this depends on multiple variables. For more info read about how we calculate hike time.