Hochlantsch, Mountain summit in Breitenau am Hochlantsch, Austria.

Hochlantsch is the highest mountain in the Graz Highlands at 1,720 m, with a long ridge running southwest to northeast. Its south side is gently wooded, while the north side drops steeply into the Lantschmauern cliffs. The summit marks the meeting point of three municipalities and two districts.

The mountain long served as a natural boundary marker between communities in the Styrian highlands, shaping how the surrounding land was divided and managed over centuries. Its name appears in old regional maps and land registers, pointing to its role as a recognized geographic reference well before modern times.

The mountain's north flank holds the pilgrimage chapel of Schüsserlbrunn, reached on foot and visited as a place of prayer. The route between the Schwaigeralm and the inn Zum Guten Hirten is called Prügelweg; cart ruts worn into the rock show how long this crossing has been used.

The summit can be reached from several starting points around Breitenau am Hochlantsch, and all routes are clearly marked along the way. In winter and early spring, the upper trails can be snowy and slippery, so sturdy footwear and a weather check before setting out are a good idea.

As you climb, the vegetation shifts noticeably from mixed forest to open rocky slopes, and some of the plant species found near the top are rarely seen elsewhere in the region. In late spring, patches of Alpine flowers appear along the upper trail, making that section of the walk particularly worth attention.