Piz Blas, Alpine summit in Grisons and Ticino, Switzerland.
Piz Blas is an Alpine peak standing at 3,019 meters (9,905 feet) in the Saint-Gotthard Massif, marking the cantonal border between Graubünden and Ticino. Several glacial lakes dot the terrain around this summit, and established hiking routes connect these water features through the mountain landscape.
The mountain has served for centuries as a natural boundary between Leventina and Blenio valleys, shaping regional settlement patterns and travel routes. This strategic location influenced how communities on either side developed trade networks and maintained connections across the Alps.
The surrounding region maintains traditional Alpine cheese production methods, with local dairy farms operating in the valleys beneath Piz Blas.
The main starting point is Ritom Lake Dam, where marked trails lead toward the summit through alpine terrain. Begin early in the day and come prepared for rapidly changing mountain weather conditions.
The rock composition contains rare minerals such as Monazite-Ce, Synchysite-Y, and Fluorapatite, drawing the attention of geologists and mineral enthusiasts. These geological features make the summit notable for scientific study beyond its value as a climbing destination.
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