trench rock stronghold jurassic limestone mountain massif in pradnik creek valley in ojcow in lesser poland

adventure air cave climb climbing colorful country countryside cracow creek czestochowa czestochowska dolina europe grodzisko hill historic history jaskinia jura jurassic krakow krakowsko landmark lesser limestone malopolska massif mount mountain narodowy national ojcow ojcowski okopy open outdoor panorama panoramic park poland pradnik pradnika ridge river rock rocks stronghold summer tourism touristic travel trench upland valley wapien