National road #1 or international #E79 [Sofia - Vratsa - Montana - Vidin (to the north)]
The pictures are taken on the road near Vratsa and on the road from Vratsa to Ledenika. To see the map, click the link -->[ https://pbase.com/ngruev/image/75188843 The pictures from P7190664.JPG onward I did on my way south, from Vidin to Vratsa.