Lake in Lužnica is the highest lake of Krn. It is located above the abyss in direction on south-west, from the other sides it is surrounded with mountains. From lake is nice view to the surrounding mountains. If we go to edge of the abyss we can see valley of river Soča. Lake is 80 meters long, 70 meters wide and 10 meters deep. In vicinity of a lake are remaining of war. These remaining are saved as smaller museum.