Òscar Cadiach i Puig (born 1952 in Barcelona) is a Spanish mountaineer.
[3] At age 14 he became interested in mountain climbing and with 22 he was working as an instructor at the Escola Catalana d’Alta Muntanya (‚Catalan high mountains school‘).
[3] In the 1980s he started to climb the eight-thousanders with the Nanga Parbat being the first summit to be reached in 1984.
In the documentary Al Filo de lo Imposible he took the role of George Mallory.
[3] For the Catalan TV program El Cim at TV3 he led six rather inexperienced young climbers to the summit of Aconcagua in 2003.