Kralova studna is a 1384 meters high area ranked among Slovak national monuments and we can find it under the Krizna peak in the Big Fatra mountains near-by Krazova skala. It is known for its strong spring which is surrounded by a calciphilous vagatation and blow out from coarse-grained scree. Close to this place a mountain hotel with parking and ski-row is situated. The surrounds is rich in amount of preserve plants.