Location and surroundings
Geographically, Dent du Diable sits in France, within the Provence-Alpes-Côte d'Azur administrative area, specifically in the district of Hautes-Alpes and the municipality of Briançon. Within the broader geographical hierarchy, it belongs to the Central European Highlands, the Alps, the Western Alps, the Southwestern Alps, the Cottian Alps, and more specifically the Mont Cenis Massif. Within this massif of 265 named peaks, it ranks as the 103rd highest. The surrounding landscape consists of rugged alpine terrain featuring neighbouring ridges, high passes, and deep valleys characteristic of the French alpine frontier.
Neighbouring peaks
The immediate vicinity of Dent du Diable features several notable peaks and mountain passes:
- Pic Ombiere (peak), 2,832 m, 1.7 km W
- Tete Noire (peak), 2,922 m, 1.8 km S
- La Benoite (peak), 2,807 m, 1.9 km SW
- Montagne du Vallon (peak), 2,486 m, 2.3 km SW
- Pointe du Demi (peak), 2,817 m, 2.3 km W
- Col de Buffère (mountain pass), 2,427 m, 3.2 km SE
- Col du Chardonnet (mountain pass), 2,717 m, 3.9 km NW
- Grand Aréa (peak), 2,869 m, 4.4 km SE
Compared to these surrounding elevations, Dent du Diable is slightly lower than nearby summits such as Tete Noire, which stands just 1.8 km to the south at 2,922 metres and serves as the nearest higher peak.
The view from the summit
From the high vantage point of Dent du Diable, numerous major alpine giants are visible within a 25 km radius. The highest peaks within this distance include Les Écrins rising to 4,102 m at 17.4 km SW, La Meije reaching 3,982 m at 18.2 km W, Sommet de l'Ailefroide standing at 3,953 m 20.3 km SW, Mont Pelvoux at 3,943 m 17.1 km SW, Le Rateau (Est) at 3,809 m 20.2 km W, and La Grande Ruine reaching 3,765 m 17.3 km W.
The range
Dent du Diable is part of the Mont Cenis Massif, which spans across France and Italy. The highest peak of this entire massif is Pierre Menue, reaching 3,506 metres, located 24 km northeast of Dent du Diable. The massif contains 265 named peaks, within which Dent du Diable ranks as the 103rd highest.
Access and starting points
The nearest settlements to the mountain are the village of Le Monêtier-les-Bains, located 4.7 km southwest, and the village of Névache, situated 5.1 km east. A rough walking time estimate based on distance and height gain using Naismith's rule suggests that starting from Le Monêtier-les-Bains at about 1,490 m involves roughly 6.1 km on foot and 1,380 m of elevation gain, taking about 3 to 4 hours. Additionally, drinking water is located 1.6 km northwest, and the Refuge du Chardonnet alpine hut sits 1.6 km north of the summit.
Climate and weather
Climate figures for Dent du Diable are estimates from NASA POWER 2001–2020 monthly means, adjusted to the summit elevation. The mean temperature at the summit is warmest in August at about 7 °C and coldest in January at about -10 °C. Months with a mean temperature above freezing at the summit include May, June, July, August, and September. Precipitation in the surrounding area is about 850 mm a year, with the wettest month being May at about 90 mm and the driest month being February at about 55 mm. Typical weather hazards in this region include sudden alpine storms, high winds, rapid temperature drops, and lingering snow patches.
Best time to visit
The suitable period for visiting Dent du Diable aligns with the months that experience a mean temperature above freezing at the summit: May, June, July, August, and September. During these warmer months, snow cover is generally more manageable, and conditions are more favourable for alpine walking and climbing compared to the harsh winter months when temperatures drop to about -10 °C in January.
Nature and wildlife
The environment around Dent du Diable features typical high-alpine characteristics of the Cottian Alps. Vegetation is sparse at higher elevations, consisting mainly of hardy alpine grasses, mosses, and low-growing flowering plants adapted to rocky soils and short growing seasons. Wildlife in this elevation zone includes chamois, ibex, marmots, and various alpine birds such as the golden eagle and the alpine chough.
Guides and organised ascents
For high-alpine terrain and peaks of this elevation, engaging a certified mountain guide is advisable for less experienced visitors. In France, the national mountain guide association is the French National Mountain Guides Union (Syndicat National des Guides de Montagne (SNGM)), which is a member of the IFMGA/UIAGM. The national alpine club is the Fédération Française des Clubs Alpins et de Montagne (FFCAM). Established guiding companies operating in the country include the Compagnie des Guides de Chamonix based in Chamonix-Mont-Blanc. Visitors seeking guided ascents typically contact local guides or tourist offices in nearby settlements such as Le Monêtier-les-Bains and Névache. A guided ascent usually covers safety instruction, route navigation, and technical equipment assistance, with prices depending on duration, group size, hut bookings, and required gear.
Safety and preparation
An ascent of Dent du Diable demands proper physical preparation, sturdy footwear, navigation tools, and appropriate clothing to handle rapidly changing alpine weather conditions. In the event of an emergency, the emergency number for mountain rescue is 112. In the mountains, calling 112 is automatically routed to the competent rescue service, which is usually the gendarmerie PGHM or CRS Montagne.
Interesting facts
Dent du Diable ranks 103rd out of 265 named peaks within the Mont Cenis Massif. The nearest higher peak is Tete Noire, standing at 2,922 metres just 1.8 km to the south. The highest point of the entire massif is Pierre Menue, located 24 km northeast at an elevation of 3,506 metres.
FAQ
What is the elevation of Dent du Diable? The summit elevation of Dent du Diable is 2,869 metres.Where is Dent du Diable located? It is located in France, within the Provence-Alpes-Côte d'Azur region, the Hautes-Alpes district, and the municipality of Briançon.
What mountain range does Dent du Diable belong to? It belongs to the Central European Highlands, the Alps, the Western Alps, the Southwestern Alps, the Cottian Alps, and the Mont Cenis Massif.
What are the nearest peaks to Dent du Diable? The nearest peaks include Pic Ombiere at 1.7 km W, Tete Noire at 1.8 km S, and La Benoite at 1.9 km SW.
Is there water on the way to Dent du Diable? Drinking water is mapped 1.6 km northwest of the summit, but visitors should otherwise carry sufficient water or treat natural sources.
Are there huts on Dent du Diable? The Refuge du Chardonnet alpine hut is located 1.6 km north of the summit.
How long does it take to walk up Dent du Diable? From Le Monêtier-les-Bains, situated 4.7 km southwest at about 1,490 m, the rough walking time estimate based on distance and height gain is about 3 to 4 hours for a 6.1 km route with 1,380 m of elevation gain.
What is the mobile phone coverage like on Dent du Diable? There are 14 mobile phone and communication masts mapped within 10 km, with the nearest 3.1 km west. While signal may be available from open high points with masts in sight, coverage can fail behind ridges and in deep valleys; 112 reaches emergency services over any available network, and maps should be downloaded beforehand.