You will meet the coachman next to the Karlštejn railway station on the parking spot. You will enjoy the ride from there up to the Karlštejn castle, build on a hill. The tour lasts 20-30 minutes and there will be a stop and opportunities to take pictures.
The village of Karlštejn is close to Prague (40 minutes from Prague) and there are plenty of activities which you can do after the tour (castle , Zoopark, Butterfly´s house, balloon, golf, hiking through splendid nature -Little and Big America quarry).