On 4 September 1860, Michel Payot, Jean Tairraz, John Jeremy Cowell and W. Dundas reached the summit of Gran Paradiso (4,061 m) for the first time, climbing via what is now known as the standard route.
On 4 September 1860, Michel Payot, Jean Tairraz, John Jeremy Cowell and W. Dundas reached the summit of Gran Paradiso (4,061 m) for the first time, climbing via what is now known as the standard route.