Mont Blanc du Tacul (4,248 m) is a mountain in the Mont Blanc massif of the French Alps situated midway between the Aiguille du Midi and Mont Blanc.

Mont Blanc du Tacul
The northern side of Mont Blanc du Tacul seen from the Aiguille du Midi
Highest point
Elevation	4,248 m (13,937 ft)
Prominence	219 m ↓ Col Maudit[1]
Isolation	1.38 km → Mont Maudit[1]
Coordinates	45°51′23″N 06°53′16″E / 45.85639°N 6.88778°E / 45.85639; 6.88778
Geography
Mont Blanc du Tacul France
Location	Haute-Savoie, France
Parent range	Graian Alps
Geology
Mountain type	Granite
Climbing
First ascent	Charles Hudson, Edward John Stevenson, Christopher and James Grenville Smith, E. S. Kennedy, Charles Ainslie and G. C. Joad on 8 August 1855
Easiest route	North-west face (PD)

The official first ascent of Mont Blanc du Tacul was by a guideless party comprising Charles Hudson, Edward John Stevenson, Christopher and James Grenville Smith, E. S. Kennedy, Charles Ainslie and G. C. Joad on 8 August 1855. However, Courmayeur guides may have already ascended the peak during their attempts in 1854 and 1855 to force a way up Mont Blanc from the Italian side.^[2]