Kranj is the 4th biggest city in Slovenia. It is only about 25 kilometers from Ljubljana. Kranj has interesting old city town where you can still see old city walls, towers, churches, old squares, castle ... Old town centre is located above river Sava and Kokra. Just near old town you can descent to the Kokra Canyon and walk around. Below the old town core are opened also tunnels that you can visit. There are also other interesting things in the neighbourhood (Smarjeska gora hill, Lake Preddvor ...).