Pic du Clapier du Peyron

🏔️ Overview
Pic du Clapier du Peyron is a rugged 3,169-meter (10,397-foot) summit in the Massif des Écrins of the French Alps. Located in the Isère department of southeastern France, the mountain rises above the wild alpine valleys surrounding Lac de la Muzelle, Valsenestre, and the Lauvitel area.
Although overshadowed in elevation by famous Écrins giants such as Barre des Écrins and La Meije, Pic du Clapier du Peyron is a remarkably independent summit. Its topographic prominence is approximately 556 meters, making it one of the more prominent 3,000-meter mountains in this part of the Alps.
The mountain also occupies an important position in the history of exploration in the Écrins. Its first recorded ascent was made in 1886 by the celebrated American-born Alpine climber William Augustus Brevoort Coolidge and Swiss guide Christian Almer Jr.
Today, the peak remains primarily a mountaineering objective rather than an ordinary hiking summit. Hikers are more likely to experience it from the spectacular trails passing through the Muzelle and Valsenestre valleys.
⚡ Fast Facts
- Continent: Europe
- Country: France
- State/Province: Auvergne-Rhône-Alpes
- County/Region: Isère
- Mountain Range: Alps
- Subrange: Dauphiné Alps / Massif des Écrins
- Parent Peak: Grande Roche de la Muzelle
- Elevation: 3,169 m / 10,397 ft
- Prominence: Approximately 556 m / 1,824 ft
- Isolation: Approximately 2.4 km / 1.5 mi
- Nearest Higher Neighbor (NHN): Grande Roche de la Muzelle
- Coordinates: Approximately 44.9368° N, 6.0764° E
- First Ascent: August 23, 1886 — Christian Almer Jr. and W. A. B. Coolidge
Published mountain databases differ by a few meters in their calculated prominence, generally placing it between about 554 and 558 meters. The variation results from differences in elevation models and measurements of the mountain’s key col.
📍 Location
Pic du Clapier du Peyron stands in the western portion of the Massif des Écrins in southeastern France. The mountain belongs to the Isère department of the Auvergne-Rhône-Alpes region.
This is an exceptionally rugged corner of the French Alps characterized by steep valleys, glacial landforms, alpine lakes, high passes, and sharp rocky summits.
Several important landscapes surround the mountain:
- Lac de la Muzelle lies to the northeast beneath the imposing Roche de la Muzelle.
- Col de la Muzelle, at approximately 2,613 meters, forms an important passage through the mountains.
- Valsenestre Valley extends south and southwest of the massif.
- Lauvitel lies on the northern side of the mountain.
- Vénéon Valley provides access to many of the western Écrins valleys.
The summit lies within the protected landscape associated with Écrins National Park and the Réserve intégrale de Lauvitel, one of France’s most strictly protected natural areas.
Nearby Pointe de Malhaubert provides another excellent example of the rugged peaks found in this western section of the Écrins.
📏 Elevation & Prominence
Pic du Clapier du Peyron reaches approximately 3,169 meters (10,397 feet) above sea level.
That places it comfortably among the many 3,000-meter summits of the Massif des Écrins, although it remains considerably lower than the massif’s highest mountain, Barre des Écrins at more than 4,100 meters.
What makes Pic du Clapier du Peyron particularly interesting is its prominence.
Its prominence is approximately 556 meters (1,824 feet). A prominence of more than 500 meters indicates that the mountain rises substantially above the connecting terrain around it rather than simply forming a minor point on a higher ridge.
The mountain’s key col is situated east-southeast of the summit toward the Roche de la Muzelle.
Its nearest higher mountain is Grande Roche de la Muzelle, which rises to approximately 3,465 meters. The higher peak is only about 2.4 kilometers away, demonstrating how tightly packed the major summits are in this section of the Écrins.
Other prominent peaks of the massif include Les Rouies, which rises considerably higher at 3,589 meters.
🪨 Geology
Pic du Clapier du Peyron forms part of the complex geological landscape of the Écrins massif.
The central Écrins are dominated by ancient crystalline rocks, including gneiss and granite, while surrounding zones contain sedimentary and metamorphosed rocks that record several stages of Alpine geological history.
The Muzelle area provides especially clear evidence of this complexity. Near the mountain, dark sedimentary rocks and schists occur beside lighter crystalline gneiss. Faulting has brought contrasting rock formations into direct contact.
Much of this geological story began long before the modern Alps existed. Ancient crystalline basement rocks were later affected by tectonic forces associated with the opening and closing of the Tethys Ocean and ultimately by the collision of the African and European plates.
Alpine uplift raised these rocks high above sea level.
Later, glaciers profoundly reshaped the landscape. Ice excavated valleys, steepened cliffs, widened basins, and helped create the dramatic cirques and lakes now surrounding the peak.
Modern frost, snow, avalanches, running water, and rockfall continue to alter the mountain.
🌿 Flora & Fauna
Conditions near the summit are severe, and vegetation becomes sparse at the highest elevations. Lower down, however, the valleys surrounding Pic du Clapier du Peyron support an impressive variety of Alpine habitats.
Visitors may encounter alpine grasslands, rocky slopes, wetlands, peat bogs, larch woodland, and communities of small flowering plants adapted to cold temperatures and short growing seasons.
Around Lac de la Muzelle, wet ground supports sphagnum mosses, cotton grass, and other moisture-loving vegetation. These wetlands are particularly valuable because peat deposits preserve information about past environmental and climatic conditions.
Wildlife of the wider Écrins includes:
- Chamois
- Alpine marmots
- Golden eagles
- Griffon vultures
- Ring ouzels
- Ptarmigan
- Mountain hares
- Common frogs in wetter habitats
Golden eagles are among the most closely monitored birds in Écrins National Park, while chamois thrive on the steep rocky terrain that characterizes much of the massif.
The protected status of the area makes responsible recreation especially important.
🥾 Hiking & Climbing Routes
Pic du Clapier du Peyron should not be confused with a conventional hiking summit. Reaching the top involves mountaineering terrain, route-finding, exposure, and potentially snow or ice depending on conditions and season.
Several established mountaineering lines have been documented on the mountain, including traverses involving its ridges and faces.
A southeast-to-west traverse has historical significance. The first recorded traverse in the opposite direction, west to southeast, took place on July 17, 1887, only a year after the mountain’s first ascent.
For hikers who want to experience the mountain without attempting the summit, the surrounding trail system provides superb alternatives.
GR54 and Col de la Muzelle
The GR54 Tour of the Oisans and Écrins passes directly through the surrounding landscape.
One particularly dramatic section crosses Col de la Muzelle, a steep pass between Pic du Clapier du Peyron and Roche de la Muzelle.
The approach from Valsenestre climbs through alpine terrain using numerous switchbacks before reaching the high pass. From here, hikers descend toward Lac de la Muzelle and the Refuge de la Muzelle.
The route offers outstanding views of both mountains.
Lac de la Muzelle
Lac de la Muzelle is one of the best destinations for hikers seeking close views of Pic du Clapier du Peyron.
The glacial lake lies in a spectacular mountain basin beneath Roche de la Muzelle, Pic du Clapier du Peyron, and Tête de la Muraillette.
A mountain refuge near the lake provides an important base for hikers traveling through the area.
Valsenestre Valley
Valsenestre offers another perspective on the mountain.
Trails through the valley reveal a landscape of high peaks, meadows, waterfalls, forests, and exposed rock. Pic du Clapier du Peyron forms one of the major summits dominating the head of the valley.
🏔️ Field Guide Tip: Hiking to Lac de la Muzelle or crossing Col de la Muzelle provides an excellent way to experience Pic du Clapier du Peyron without undertaking a technical summit climb. Conditions at the pass can change quickly, however, and lingering snow may remain well into the hiking season.
🌤️ Best Time to Visit
For hiking in the surrounding valleys, the most practical season is generally late June through September.
July and August usually provide the greatest likelihood of snow-free trails at lower and middle elevations, although snowfields can persist around high passes.
September can offer cooler temperatures, fewer visitors, and excellent visibility, but daylight becomes shorter and early snowfall becomes increasingly possible.
Mountaineering conditions on Pic du Clapier du Peyron vary considerably from year to year. Snowpack, rockfall, storms, and freeze-thaw cycles can all affect routes.
Anyone considering a summit attempt should obtain current local conditions before setting out.
🧭 Nearby Mountains & Attractions
Grande Roche de la Muzelle
Rising to approximately 3,465 meters, Grande Roche de la Muzelle is the nearest higher mountain to Pic du Clapier du Peyron.
Its steep walls dominate Lac de la Muzelle and make it one of the defining landmarks of this part of the Écrins.
Pointe de Malhaubert
Pointe de Malhaubert rises northwest of Pic du Clapier du Peyron and provides another prominent summit overlooking the western Écrins.
Les Rouies
At 3,589 meters, Les Rouies is one of the significant high mountains elsewhere in the Massif des Écrins.
Lac de la Muzelle
This beautiful glacial lake is one of the area’s most rewarding hiking destinations. Its location beneath steep mountain walls creates classic high-Alpine scenery.
Écrins National Park
Écrins National Park protects one of the largest high-mountain environments in France, encompassing glaciers, forests, high valleys, alpine lakes, meadows, and hundreds of summits.
Le Taillefer
Northwest of the Écrins, Le Taillefer rises to 2,857 meters and provides a contrasting view across the mountainous landscapes surrounding Grenoble and the Oisans.
💡 Fun Facts
- Pic du Clapier du Peyron rises above 3,000 meters, yet more than 500 meters of prominence gives it substantial topographic independence.
- It is one of the more prominent summits in the western Massif des Écrins.
- Its nearest higher neighbor, Grande Roche de la Muzelle, is only around 2.4 kilometers away.
- W. A. B. Coolidge and Christian Almer Jr. made the first recorded ascent on August 23, 1886.
- A major traverse of the mountain was completed the following year.
- The GR54 passes through the dramatic landscape immediately around the mountain.
- Col de la Muzelle lies between Pic du Clapier du Peyron and Roche de la Muzelle.
- The nearby Lac de la Muzelle is a glacial lake surrounded by some of the most impressive mountain scenery in the western Écrins.
❓ Frequently Asked Questions
How high is Pic du Clapier du Peyron?
Pic du Clapier du Peyron reaches approximately 3,169 meters (10,397 feet) above sea level.
Where is Pic du Clapier du Peyron?
The mountain is in the Massif des Écrins in Isère, France, within the Auvergne-Rhône-Alpes region of the French Alps.
What mountain range is Pic du Clapier du Peyron in?
It belongs to the Massif des Écrins, which forms part of the Dauphiné Alps and the wider Alps.
What is the prominence of Pic du Clapier du Peyron?
Its prominence is approximately 556 meters (1,824 feet). Different topographic datasets give values ranging from roughly 554 to 558 meters.
What is the nearest higher mountain?
The nearest higher summit is Grande Roche de la Muzelle, approximately 2.4 kilometers east-southeast of Pic du Clapier du Peyron.
Who first climbed Pic du Clapier du Peyron?
The first recorded ascent was made on August 23, 1886, by Christian Almer Jr. and William Augustus Brevoort Coolidge.
Can you hike to the summit?
Pic du Clapier du Peyron is primarily a mountaineering objective rather than a normal hiking summit. Experienced hikers can instead approach the mountain using trails around Valsenestre, Lac de la Muzelle, and the GR54.
Is Pic du Clapier du Peyron inside Écrins National Park?
The mountain lies within the protected high-Alpine landscape associated with Écrins National Park and the Lauvitel integral reserve.
🔗 Related Articles
- Pointe de Malhaubert
- Les Rouies
- Le Taillefer
- Mont Blanc
- Aiguille du Grépon
- Aiguille Verte
- The Alps
- Mountains of Europe
📚 Sources
- PeakVisor — Pic du Clapier du Peyron — Elevation, coordinates, prominence, isolation, and nearest higher neighbor.
- Peaklist — Massif des Écrins P150m — Elevation, prominence, key col, and regional prominence data.
- Destination Parc national des Écrins — From Valsenestre to Lake Muzelle — Official information on the GR54, Col de la Muzelle, geology, wildlife, and the surrounding landscape.
- WHYMPR — Pic du Clapier du Peyron — Summit information and first-ascent history.
- Camptocamp — Pic du Clapier du Peyron — Mountaineering routes and historical climbing information.