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Hiking trails & Routes
Italy
Piedmont
Cuneo
Acceglio

Ascent to Bivacco Bonelli passing by alpine lakes — Ring tour

Routes
Hiking trails & Routes
Italy
Piedmont
Cuneo
Acceglio

Ascent to Bivacco Bonelli passing by alpine lakes — Ring tour

Hard

4.9

(184)

900

hikers

Ascent to Bivacco Bonelli passing by alpine lakes — Ring tour

06:20

13.5km

950m

Hiking

Embark on the Ascent to Bivacco Bonelli passing by alpine lakes — Ring tour, a difficult hike that challenges you with 3110 feet (948 metres) of elevation gain over 8.4 miles (13.5 km). This route typically takes around 6 hours and 20 minutes to complete. You will begin with a…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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1

103 m

Source of the Maira

Highlight • River

This is where the Maira stream is born and it is also the starting point for numerous excursions such as the Piergiorgio Frassati path. The springs are connected with the village of Chiappera by a beautiful former military road.

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2

2.44 km

View of Lake Visaisa

Highlight • Viewpoint

One of the lakes that can be reached along the Piergiorgio Frassati path, a treasure nestled in the mountains!

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3

3.24 km

A unique place where you can admire a wonderful 360 degree view

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4

4.88 km

Roberto Bonelli Shelter at Lake Apzoi

Highlight • Mountain Hut

To request the keys, you must call the Acceglio tourist office. At the bivouac there is a kitchen and a solar panel.

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5

5.03 km

Lago Apsoi

Highlight • Lake

The lake occupies a deep funnel-shaped sinkhole, also shaped by glacial phenomena, and is surrounded by a severe circle of high mountains: the imposing and massive Auto Vallonasso, the rocky …

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6

6.13 km

Lac des Munie Supérieur

Highlight • Lake

Upper Lake Munie (2446 m)

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7

7.71 km

Cavalla Pass

Highlight • Mountain Pass

Passo della Cavalla is one of the crossing points of the Piergiorgio Frassati path. Just below the hill there is an old military shelter.

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B

13.5 km

End point

Parking

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Way Types & Surfaces

Way Types

6.13 km

4.39 km

2.98 km

Surfaces

5.64 km

4.28 km

3.58 km

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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 (2,550 m)

Lowest point (1,630 m)

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Weather

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Friday 29 May

17°C

7°C

49 %

Additional weather tips

Max wind speed: 8.0 km/h

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This route was planned by komoot.

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Nearby routes

Moderate

4.8

1,266

Monte Bert e Lago Nero – loop in Valle Maira

04:40h

11.2km

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Trail Reviews

Unterwegs Mit Linda
August 8, 2023, Pier Giogio-Frassati-Weg / Valle Maira

All information about the tour, one of the most beautiful hikes in the Mairatal: https://hikingthealps.com/sentiero-pier-giorgio-frassati-mairatal/

Translated by Google

https://www.vallemaira.org/esperienze/sentiero-piergiorgio-frassati/ Beautiful loop, with incredible views in a wild environment. Many Germans, Dutch, Swiss, Austrians, and French

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Very nice ride! The initial section up to the refuge is challenging, but then the gradient eases off. Long ride!

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Challenging but beautiful journey. We left at nine o'clock and returned at 5.30 pm, with breaks - yes. Of course you come across someone every now and then, but the marmots (!) are by far the majority. Also spotted a deer or something like that, or was it a Capricorn after all? It was very high. He's in one of the photos, so who knows?

Translated by Google

It starts from the Maira springs and climbs through a larch wood, arriving at a point from which you can see Lake Visaisa. There are the remains of the Principe di Piemonte hotel, which burned down in 1924. We then continue to the Bonelli bivouac, where we can see Lake Apsoi at the foot of Monte Oronaye. Walking along the slopes you arrive at Passo della Cavalla, where there are abandoned military structures. Descend into the Vallone della Pausa, between the Viraysse and the Sautron. Once in Grange Pausa, continue along a path that leads to Sorgenti Maira. The route from Sorgenti del Maira to Lake Visaisa is suitable for families.

Translated by Google

After the storm and rain clouds had already cleared up yesterday evening, we are greeted by bright sunshine today. Right after breakfast we start the circular hike from Saretto, past the Maira springs to Lago Visaisa. There's hardly any water in there. Unimaginable, but 100 years ago boats were already being rowed across the lake here. Fortunately, after the lake, the path does not climb quite as steeply. We take a short break at Bivacco Bonelli at 2,330m. Another hour to Passo de Cavallo. You hike here in the Italian-French border area. Everywhere you can still find barbed wire and other border security from the 1st World War. From the Passo de Cavallo there are fantastic views of the Cottian Alps, simply grandiose. From the Grange Pausa, 2,055m, a dreamlike single winds its way down. Let's see how I can get my bike up there.

Translated by Google

Endless marmots and then Eagles, Chamois, Merens Horses

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8 hours in paradise! Not a cloud, the gold of autumn everywhere. Wonder!!

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