On 13 September 1850, Johann Coaz, Jon Tscharner and Lorenz Ragut Tscharner reached the summit of Pizzo Bernina (4,049 m) for the first time.
On 13 September 1850, Johann Coaz, Jon Tscharner and Lorenz Ragut Tscharner reached the summit of Pizzo Bernina (4,049 m) for the first time.