Mont Blanc (4810m) Brenva side (East wall)

BLACK= The via della Pera: Graven A. Aufdenblatten and T. Graham Brown (Aug 05th, 1933). Length: 600m Difficulty: III/IV/TD.
RED= Major pilier: Pierre Mazeaud and Roberto Sorgato (Aug 17-18th, 1971). Length: 1300m Difficulty: IV/V+/ED.
BLUE= Major: T. Graham Brown and Francis Sidney Smythe (Aug 6-7th, 1928). Length: 1300m Difficulty: IV+/TD-.
GREEN= Sentinella Rossa: T. Graham Brown and Francis Sidney Smythe (Sep 1-2th, 1927). Length: 1300m Difficulty: D/TD-.
YELLOW= Sentinella Rossa: Variante Robert Gréloz and André Roch (1936). Length: 1300m