Hádí skála and Třeštibok viewpoint

I'm leaving for Sázava. Look at the river from the viewpoints on its right bank. I am riding with my four-legged friend Bert by train from Vršovice station to Petrov u Prahy station. I found this viewpoint somewhere on the internet, but I didn't take the details of the route to get there. I forgot the map at home. So it will be adventurous.
From the station, we cross the tracks down to the bridge and after about 300 meters we turn onto…