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France
Provence-Alpes-Côte D'Azur
Provence
Provence-Alpes-Côte d'Azur
Gap
Le Dévoluy

Pic de Bure via Combe Ratin Trail

Hard

4.8

(10)

128

hikers

Pic de Bure via Combe Ratin Trail

05:50

14.1km

1,160m

Hiking

Hike the difficult 8.8-mile Pic de Bure via Combe Ratin Trail for lunar landscapes, an observatory, and panoramic alpine views.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

5.96 km

Plateau de Bure

Highlight • Natural Monument

A little above the hiking trail you can see the huge antennas of a radio interferometer. The contrast between this high-tech, science-fiction-like facility and the breathtaking natural landscape could hardly be greater.

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2

6.93 km

Pic de Bure

Highlight • Summit

The Pic de Bure is a 2,709-meter-high summit in the Dèvoluy massif. You will need sturdy hiking boots for the partially quite stony path and a weatherproof jacket, as it …

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14.1 km

End point

Parking

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Way Types & Surfaces

Way Types

13.9 km

172 m

Surfaces

13.9 km

172 m

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Elevation

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Weather

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Wednesday 22 July

20°C

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Frequently Asked Questions

What is the terrain like on this trail?

The Pic de Bure via Combe Ratin Trail features diverse and demanding terrain. Expect steep ascents, often on unstable scree slopes, particularly within the Combe Ratin itself. You'll also encounter grassy sections, rocky paths, and a unique 'moon-like' plateau. Some parts, like the Pas de la Fenêtre, include wired sections and can be aerial, requiring sure-footedness and alpine experience.

What are the main points of interest along the route?

This trail offers extraordinary scenery. Key highlights include the unique, almost lunar landscape of the Plateau de Bure, home to the IRAM radio astronomy observatory. From the summit of Pic de Bure, you'll be treated to exceptional panoramic views of the Écrins Massif, Southern Alps, Mont Ventoux, and other major peaks. The Combe Ratin itself is wild and spectacular, with elegant curves between high walls.

How long does it typically take to complete this hike?

Given its challenging nature, the estimated hiking time for the Pic de Bure via Combe Ratin Trail can range from 5 to 8 hours, depending on your fitness level and pace. It's a demanding route that requires good physical condition.

Is this trail suitable for dogs?

The trail passes through the Réserve Biologique Intégrale du Chapitre. Within this protected area, dogs are permitted but must be kept on a leash at all times to protect the local wildlife and environment.

What is the best time of year to hike this route?

The best time to hike the Pic de Bure via Combe Ratin Trail is typically during the warmer months, from late spring to early autumn, when the snow has melted and weather conditions are more stable. Always choose a clear day to fully appreciate the panoramic views, and be aware that the mountain can feel like a desert at higher altitudes, so prepare accordingly.

Are there any specific regulations or permits required for this trail?

The trail is located within the Réserve Biologique Intégrale du Chapitre. While no specific permits or entrance fees are mentioned, there are important regulations to follow: dogs must be kept on a leash, you must stay on marked trails, and camping, bivouacking, and aerial sports are prohibited to preserve the natural environment.

Where can I park to access the trailhead?

While specific parking locations are not detailed, the trail typically starts from a point that allows access to the Combe Ratin. It's advisable to research the most current trailhead access points and parking options before your visit, as these can sometimes vary or have limited capacity.

Does this trail intersect with other well-known paths?

Yes, sections of this route follow parts of the official GR Tour du Dévoluy, which is marked with red and yellow blazes. You may also encounter portions of the Pic de Bure trail and the Combe Ratin trail itself, along with numerous cairns guiding the way.

What should I bring for this challenging hike?

Given the trail's difficulty and terrain, it's crucial to bring sturdy hiking shoes with good ankle support, plenty of water (as higher altitudes can be very dry), appropriate layers for changing mountain weather, sun protection, and a map or GPS device. Alpine experience and sure-footedness are highly recommended.

Is the Pic de Bure via Combe Ratin Trail suitable for families or beginners?

No, this trail is consistently rated as 'difficult' or 'very difficult' due to its length, significant elevation gain, and challenging terrain, including scree slopes and aerial sections. It requires very good fitness, sure-footedness, and alpine experience, making it unsuitable for families with young children or beginner hikers.

Are there any facilities like cafes or accommodation near the trailhead?

The trail is in a mountainous, natural area. While specific facilities directly at the trailhead are unlikely, nearby villages or ski resorts in the Dévoluy massif, such as Superdévoluy or La Joue du Loup, would offer cafes, restaurants, and accommodation options. It's best to plan for refreshments and lodging before or after your hike in these larger hubs.

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