| Grande Aiguille Rousse | |
| Photo Alt: | View of the Grande Aiguille Rousse (right) and the Italian glaciers of Carro from the east. |
| Map: | Alps |
| Map Alt: | Location of the Grande Aiguille Rousse in the Alps. |
| Location: | Savoie, France |
| Coordinates: | 45.4328°N 7.1097°W |
| Elevation M: | 3482 |
| Elevation Ref: | [1] |
| Listing: | 3000 m Alps |
| Translation: | Great Red Needle |
| Language: | French |
| Pronunciation: | in French pronounced as /gʀɑ̃d egɥij ʀus/ |
| Range: | Graian Alps |
| Type: | Schistes lustrés[2] |
| First Ascent: | Édouard Rochat and Blanc le Greffier on 31 July 1878[3] |
The Grande Aiguille Rousse is a mountain peak of the Graian Alps in Savoie, France, situated between the Maurienne and Tarentaise valleys near the Italian border. Reaching an altitude of 3482abbr=offNaNabbr=off, it exceeds its junior to the west, the Petite Aiguille Rousse, by just 50m (160feet). Not far from Levanna, the Grande Aiguille Rousse overlooks Serrù Lake and the Gran Paradiso National Park in Italy.
At the crossroads of the Maurienne and Tarentaise valleys, not far from the Col de l'Iseran, the Grande Aiguille Rousse lies in the region where the waters that flow through these great alpine valleys diverge. It is part of a series of mountains that define the frontier between Savoie and the Italian regions of Piedmont and the Aosta Valley, including such peaks as the Pointe de Ronce, the Bessanèse, the Levanna, and the . The Grande Aiguille Rousse is shared by the communes of Val-d'Isère and Bonneval-sur-Arc.
The most common route for hiking up the mountain is from Val-d'Isère via the Prariond Refuge, or alternatively from Bonneval-sur-Arc via the Carro Refuge or the Col du Montet mountain pass. To reach the summit from Italy, it is customary to begin at the, take the Col de la Lose pass at 2957m (9,701feet),[4] cross the border to the Sources de l'Isère Glacier at 2800m (9,200feet), and finally arrive at the summit.[5]
The mountain refuges which can be used as a starting point for the ascent or simply for a visit to the mountain are the following: