Česká ráj Route (circle): Hrubá Skála –castle Valdštejn – Sedmihorky – Hrubá Skála Route length: approximately 12 km, 4 hours Suitable for prams and families with small children The route starts at Hrubá skála castle. You will pass an ancient stone bridge decorated by statues and get to the castle courtyard where there is a beautiful view of sandstone rocks and if you lean against the rails a little, you can see the ruins of Trosky castle. Unfortunately, the interiors are not accessible for public, but in spite of that, the Hrubá skála castle i ...