Not really on the Camino del Norte, but not far from it... I saw this video on YouTube and it looks stunning.
https://www.google.com/maps/place/Picos+de+Europa/@43.0937786,-5.4967709,8.7z/data=!4m5!3m4!1s0xd49c893856535cf:0x7291815fe2dcd950!8m2!3d43.1872155!4d-4.821524