Wetter Mhlbach am Hochknig is a municipality in the district of St. Johann im Pongau in the Austrian state of Salzburg. It is located in the Hochknig massif, part of the Berchtesgaden Alps. The municipality has a population of approximately 1,700 people.
Wetter Mhlbach am Hochknig is a popular tourist destination, particularly for skiers and hikers. The municipality is home to several ski resorts, including the Hochknig Ski Resort, which is one of the largest ski resorts in Austria. The municipality also has a number of hiking trails, including the Knigsweg trail, which leads to the summit of the Hochknig mountain.