Schloss Heroldeck, Millstätter See (★3.7)
Directly on the B98 under the Heroldeck Castle is a small parking bay with space for 3-4 cars, about 50m above is the entrance, you get to the water via a sturdy ladder. The shore drops steeply over prominent rocks to 10m, here grow milfoil, hornwort in which you can find numerous fish.