By bike just outside Prague

We go for a bike ride just outside Prague, along the edge of the Český karst PLA, the Karlický údolí and back along Berounka.
This trip is ideal to start in Radotín, which can be reached by car or train. Those coming from Vrané or Jesenice to Zbraslav can leave their car directly at the footbridge over Berounka to Radotín. We didn't know that, so we left the car in Zbraslav, where you can park for free on weekends at...