The 10th century Iglesia de San Salvador is one of the most significant examples of Pre-Romanesque architecture in Asturias. If it is locked up, and it most certainly will be, don’t just give up. A few of the locals have keys and if you ask around or get somebody’s attention enough to make the unlock gesture, it might be possible to wrangle a visit.
In Priesca, after visiting the church, the camino leaves the CL-1 briefly along a path to the right. It rejoins the road for a short distance not far ahead, but then leaves it for the last time along a trail to the left. This trail begins a road shortly after passing under the A-8 at the start of Sebrayo.