Demänovská valley is the best known and most beautiful valley of Low Tatras. It is 15 km long and the main centre of tourism to the north from the main mountain ridge. Jasná was originally name of upper parts of Demänovská valley and it gradually extended also to other parts of the valley (surroundings of Vrbické mountain lake, Záhradky).Demänovská valley is the best known and most beautiful valley of Low Tatras. It is 15 km long and the main centre of tourism to the north from the main mountain ridge. Jasná was originally name of upper parts of Demänovská valley and it gradually extended also to other parts of the valley (surroundings of Vrbické mountain lake, Záhradky). It is situated within the protected area of Low Tatras National Park and there are extensive accommodation and catering capacities, cable ways and ski tows build here. Read more Hide