Europe´s largest natural ice field has a size of 6,5 km². With up to 40cm the ice offers you all variations of ice-skating possibilities - or you just hike over the lake. According to weather and the depending possiblities to groom the ice various circle rounds of up to 20 km length are at your disposal. Ice-skating fields and Alpine curling alleys are also prepared, cross-country skiing tracks and walking tracks along the circle ice-skating tracks wait only for you. At the end of January/beginning of February the annual "Alt.holl.11-Städte-Tour" with speed skating marathons over a distance of 50, 100 and 200 km takes place. This event is, by the way, the world´s biggest ice skating event regarding the number of participants!