From Ostrá via Helfenburg to Kalvária

From Ostrá via Helfenburg to Kalvária.
Map of KČT 11.
So I recently mentioned during a debate with a friend that I would like to see Helfenburk and Calvary near Úštěk. And a friend, because he is a friend and also a tourist and also knows the Czech Central Mountains and the wider area like the back of his hand, if not better, so he devised a nice route of about 25 km, he took his car and his wife, I took myself and my backpack, and with the promise of good weather, we wash it through...