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Hiking trails & Routes
France
Provence-Alpes-Côte D'Azur
Provence
Provence-Alpes-Côte d'Azur
Briançon
Abriès

Gran Guglia and Lago Verde Loop

Hard

2

hikers

Gran Guglia and Lago Verde Loop

08:14

18.8km

1,070m

Hiking

Tackle the difficult 11.7-mile Cross-border alpine trail to Gran Guglia Bell Tower (via Trail 228), a challenging 8-hour hike.

Last updated: February 26, 2026

Tips

Includes segments that may be dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 2.62 km for 47 m

After 2.75 km for 47 m

Waypoints

A

Start point

Get Directions

1

0 m

Bivacco Soardi

Highlight • Mountain Hut

Small refuge (contrary to its name, it is indeed a "mini refuge") built on the mountainside. 8 places, open in July and August, but kept intermittently. Even unguarded, it is …

Translated by Google •

Tip by

2

34 m

Col de Bouchet (2,626 m)

Highlight • Mountain Pass

The Col de Bouchet takes us to the other side of the border, to Italy. The Bivacco Soardi refuge is just behind.

Translated by Google •

Tip by

3

1.03 km

Col de Valpreveyre / Passo Bucie

Highlight • Mountain Pass

To reach it from Col Boucie, or vice versa, you don't need to go down but you can cut horizontally on the north side of the Boucie without losing too …

Translated by Google •

Tip by

4

1.55 km

Lago Verde Hut

Highlight • Mountain Hut

A nice refuge near the Green lake. I advise you to go there from August onwards to not find many snowfields to cross

Translated by Google •

Tip by

5

1.63 km

Refuge du Lac Vert

Highlight • Mountain Hut

6

2.03 km

Lac Vert

Highlight • Lake

Splendid green lake immersed in the most boundless nature, the effort to get there is rewarded as soon as the lake is seen.

Translated by Google •

Tip by

7

2.67 km

Gran Guglia

Highlight • Summit

8

3.04 km

Gran Guglia Bell Tower

Highlight • Monument

Bell to sound the anti-aircraft alarm during the Second World War, then decommissioned and rebuilt as a monument to the fallen of the mountain.

To play!

Translated by Google •

Tip by

9

16.2 km

Gran Guglia Barracks

Highlight • Mountain Hut

Barracks a few km from the French border, near the Gran Guglia pass and can be reached either from green lake or from Bout du Col with the Peyrot path. It can be used as a shelter in bad weather

Translated by Google •

Tip by

B

18.8 km

End point

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Way Types & Surfaces

Way Types

18.3 km

409 m

< 100 m

Surfaces

18.4 km

384 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,750 m)

Lowest point (2,370 m)

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Weather

Powered by Foreca

Wednesday 3 June

13°C

3°C

91 %

Additional weather tips

Max wind speed: 6.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the overall difficulty of this cross-border alpine trail?

This route is rated as difficult. It covers a significant distance of nearly 19 km with over 1,000 meters of elevation gain, requiring good physical fitness, sure-footedness, and alpine experience. Hikers should be prepared for challenging terrain and varying conditions.

Where does the trail start, and what are the parking options?

The Komoot tour description does not specify a single starting trailhead for this cross-border route. However, access points for elements mentioned in the trail include Rifugio Lago Verde or Bout du Col di Ghigo di Prali for the Gran Guglia area, and San Vito di Cadore for the Dolomite's Trail 228. Parking availability will depend on your chosen starting point; it's advisable to research specific parking facilities for these locations before your trip.

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

Given its alpine nature and the mention of a 'cross-border alpine trail', the best time to undertake this hike is typically during the summer months, from late June to early September, when snow has largely melted and weather conditions are most stable. Outside of this period, you may encounter snow, ice, and more challenging conditions, especially at higher elevations.

Are there any permits or entrance fees required for this trail?

Generally, there are no specific permits required for hiking on public trails in the Alps, including this route. However, if you plan to stay overnight in any refuges or bivouacs, reservations and associated fees will apply. Always check local regulations before your trip, especially for cross-border sections.

What kind of terrain can I expect on this cross-border trail?

As a difficult alpine trail, you can expect a variety of challenging terrains. This will likely include rocky paths, steep ascents and descents, potentially exposed sections, and alpine meadows. Given the 'cross-border' nature, conditions can vary significantly along the route. Sturdy hiking boots with good ankle support are essential.

What notable landmarks and points of interest will I encounter?

Along this extensive route, you'll pass several significant points. These include mountain passes like Col de Bouchet (2,626 m) and Col de Valpreveyre / Passo Bucie. You may also find respite at huts such as Bivacco Soardi, Lago Verde Hut, and Refuge du Lac Vert, near the scenic Lac Vert. The route also leads towards Gran Guglia and its distinctive Gran Guglia Bell Tower, with Gran Guglia Barracks also nearby.

Is this cross-border alpine trail dog-friendly?

While many alpine trails are dog-friendly, the 'difficult' rating, significant length, and potential for challenging terrain or wildlife encounters mean this route might not be suitable for all dogs. If you bring your dog, ensure they are fit for long, strenuous hikes, are accustomed to alpine environments, and are kept on a leash, especially in areas with livestock or wildlife. Always check specific park or refuge rules regarding dogs.

Does this trail intersect with other well-known paths?

Yes, sections of this route overlap with several other established trails. You will find yourself on parts of the Ravin du Bouchet - Col de Valpréveyre, Via Alpina Blue D42, Via Alpina Blue D41, and Ravin du Bouchet - Col de Bouchet. Other intersecting paths include Prali - Villanova, Sentiero Italia - Tappa E24, Waldensian trail: the Glorious Recovery, Villanova - Prali, Chemin du Lago Verde, and Sentier du Col du Bouchet.

What should I pack for this difficult alpine hike?

For a difficult alpine hike of this duration and elevation, essential packing includes sturdy hiking boots, layered clothing suitable for varying weather, waterproof and windproof outer layers, sufficient water (at least 2-3 liters), high-energy snacks, a first-aid kit, navigation tools (map, compass, GPS device/app), sun protection, and a headlamp. Trekking poles are highly recommended for stability on steep or uneven terrain.

Are there any accommodation options or huts along the way?

Yes, the route passes by several huts and bivouacs that can offer shelter or overnight stays. These include Bivacco Soardi, Lago Verde Hut, and Refuge du Lac Vert. It's crucial to check their operating seasons and make reservations in advance, especially during peak hiking periods.

What is the significance of the Gran Guglia Bell Tower?

The Gran Guglia Bell Tower refers to a significant bell located near the summit of Gran Guglia (2,819 meters above sea level) in the Cottian Alps, Piedmont region of Italy. This bell is dedicated to fallen mountaineers, serving as a memorial and a point of reflection for those who reach this high alpine location.

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