From Bezděz to Mách lake

We are planning to visit Doksy and Mách lake, my husband is interested in visiting the dominant feature of this region, Bezděz Castle. 
From the Bezděz railway, we go 2,5 km along the blue road to the village, where I buy a tourist stamp at the local colonial office. Follow the red road for another 0,5 km straight to the castle. The mood is rather gloomy because it is almost impossible to see due to the fog, but we do not give up. We are trying to create photos as best we can, but…