| Aiguille de Tré la Tête | |
| Elevation M: | 3930 |
| Prominence M: | 588 |
| Prominence Ref: | [1] |
| Highest: | aiguille centrale SE |
| Range: | Mont Blanc massif |
| Coordinates: | 45.795°N 6.815°W |
| Location: | Aosta Valley, Italy (mountain partially in France) |
| Region Type: | Région autonome |
| Listing: | Alpine mountains above 3000 m |
| First Ascent: | 12 July 1864 by Anthony Adams Reilly and Edward Whymper with Michel Croz, Michel Payot and H. Charlet |
| Normal Route: | ENE arête (PD+) then the Bivouac Rainetto |
The Aiguille de Tré-la-Tête is a mountain in the south of the Mont Blanc massif. Its highest point, the central southeast pinnacle, is 3930m (12,890feet) above sea level and is located in Italy. Only the northwest pinnacle is situated on the border with France. It forms a chain with the Dômes de Miage.
It comprises four summits:
The western slope of the mountain is part of the Contamines-Montjoie Nature Reserve
In September 2007, the body of a young mountaineer, who had died in 1954, was discovered on the glacier. It was found by a hiker at an elevation of 2,500 metres below a mountain trail. After investigation, it was ascertained to be a 24-year-old man who had disappeared on 4 August 1954 with his 21-year-old brother and 16-year-old sister, returning from climbing the ascent Aiguille de la Lex Blanche (3,697 m) The bodies of two younger people were found two kilometres above the foot of the glacier face.