On 16 August 1858, a party comprising G. Studer, G.G. and B. Weilenmann, together with the guide J.-B. Frassy, reached the Testa del Rutor (3,486 m) for the first time.
On 16 August 1858, a party comprising G. Studer, G.G. and B. Weilenmann, together with the guide J.-B. Frassy, reached the Testa del Rutor (3,486 m) for the first time.