4.9
(57)
352
hikers
07:27
15.9km
1,060m
Hiking
Embark on a difficult hike to Gran Lago from Champorcher, a challenging journey covering 9.9 miles (15.9 km) with a significant elevation gain of 3465 feet (1056 metres). This route will take you around 7 hours and 26 minutes to complete, leading you through the wild Mont Avic Regional Park.…
Last updated: April 23, 2026
Waypoints
Start point
Parking
Get Directions
1.81 km
Highlight • Lake
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Tip by
3.84 km
Highlight • Mountain Hut
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4.37 km
Highlight • Lake
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4.67 km
Highlight • Lake
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6.50 km
Highlight • Waterfall
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7.86 km
Highlight • Lake
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Tip by
15.9 km
End point
Parking
Way Types & Surfaces
Way Types
15.8 km
< 100 m
< 100 m
Surfaces
15.6 km
219 m
< 100 m
< 100 m
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Elevation
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Weather
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Monday 13 July
24°C
14°C
0 %
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Max wind speed: 2.0 km/h
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This route was planned by komoot.
This hike is considered difficult and requires very good fitness, sure-footedness, and sturdy hiking shoes. It involves over 1,000 meters (3,000 feet) of elevation gain and can take more than 7 hours to complete. It's not recommended for beginners.
The full hike is approximately 15.9 km (9.9 miles) long and typically takes around 7 hours and 27 minutes to complete, according to komoot's estimates. However, individual times may vary based on fitness and stops.
The terrain is primarily natural, unpaved paths. You'll encounter steep sections, especially along streams and through pastures like Alpe Grand Cort. As you gain elevation, the landscape transitions from sparse larch forests to rocky, high-alpine environments near the lakes. Proper footwear is essential as paths can be slippery, particularly after rain.
This route is renowned for its stunning alpine lakes, often called the 'Tour of the Lakes.' You'll pass by Lake Muffé, Lago Bianco, Lago Cornuto, and finally the expansive Gran Lago. You can also see the Lago Grande Waterfall. Near the Barbustel Refuge at Lac Blanc, you'll enjoy panoramic views of Mont Avic, Monte Rosa, the Matterhorn, and the Dent d'Hérens.
The hike typically starts from the Champorcher valley. While specific parking details for the exact trailhead aren't provided, routes in this area often begin from locations like Dondena. It's advisable to check local signage or park information for designated parking areas in Champorcher before your visit.
Yes, the route typically passes by or connects to mountain refuges, such as the Barbustel Refuge at Lac Blanc. These refuges offer opportunities for rest, meals featuring typical Valle d'Aosta cuisine, and even overnight stays, making them convenient stopovers for longer treks.
While dogs are generally allowed on trails in Mont Avic Regional Park, it's crucial to keep them on a leash, especially due to the presence of wildlife and grazing animals. Given the trail's difficulty and rocky sections, ensure your dog is fit enough for a challenging, long hike.
The hike is located within the Mont Avic Regional Park. Generally, there are no specific permits or entrance fees required for day hiking on the trails within the park. However, it's always good practice to check the official park website for any updated regulations before your visit.
The best time to hike to Gran Lago is during the summer months. This period offers the most favorable weather conditions, with less snow and more accessible paths. It's a popular summer hiking spot within the Champorcher and Champdepraz valleys.
Yes, this route intersects with several other well-known paths. Sections of the trail overlap with the Sentiero Intervallivo Charvensod-Champdepraz, the Via Alpina Blue D21, and the Giro dei Laghi.
Given the trail's difficulty and length, you should pack sturdy hiking boots, appropriate layers of clothing for changing alpine weather, rain gear, plenty of water, high-energy snacks, a map or GPS device, sunscreen, and a first-aid kit. Trekking poles can also be very helpful on steep sections.
While the numerous alpine lakes, including Gran Lago, are beautiful, swimming in them is generally discouraged or prohibited in Mont Avic Regional Park to protect the fragile alpine ecosystem. Always check local regulations and signage regarding swimming before entering any water bodies.
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