我刚跟我老公核对，是我打错了 - I always thought I have eyes for the detail but not this time.
Total elevation gain 2400 feet (730 meter).
Last 500 meter of the trail has gain of 240 meters - which is quite steep.
Considering walk in the snow and ice... very demanding. A nice summer day will be different. :-)
The journey is linear so back and forth makes the total journey of 17.3 kilometers.
He publishes his GPS tracker which has all the details. It can be found here: https://bit.ly/2T71A3n
Keep tuned you will see more beautiful view of Somiedo. :-)