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Routes
Hiking trails & Routes
Italy
Aosta Valley
Bionaz

Place Moulin Dam to Prarayer Refuge Trail

Routes
Hiking trails & Routes
Italy
Aosta Valley
Bionaz

Place Moulin Dam to Prarayer Refuge Trail

Hard

4.9

(17)

106

hikers

Place Moulin Dam to Prarayer Refuge Trail

06:30

17.4km

720m

Hiking

Tackle the difficult 10.8-mile Lago di Place-Moulin lakeside walk to Rifugio Prarayer, a challenging hike with 2359 feet of elevation gain.

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 5.92 km for 152 m

After 11.1 km for 298 m

Waypoints

A

Start point

Get Directions

1.28 km

Viewpoint

Viewpoint

2

1.58 km

Waterfall Near Lago di Place-Moulin

Highlight • Waterfall

3

2.28 km

Place-Moulin Lake

Highlight • Lake

The Place Moulin dam is the highest in Europe. It offers a beautiful panorama and an easy walk suitable for the whole family. Running here is very easy as the trail is wide enough for everyone.

Translated by Google •

Tip by

4

2.56 km

Lake Place-Moulin

Highlight • Lake

5

3.96 km

From here, there is a beautiful view over the reservoir of the highest dam in Europe.

Translated by Google •

Tip by

6

7.01 km

View of the Reservoir

Highlight • Viewpoint

A very nice viewing spot with a view of the reservoir, which alone is worth the long journey! Easy ways up to here. For me the terrain became more challenging a little later on the way to the summit.

Translated by Google •

Tip by

7

11.1 km

Lago di Pratayer

Highlight • Lake

8

12.1 km

Place Moulin Dam and Surroundings

Highlight • Monument

Nice walk for the whole family, flat up to the refuge

Translated by Google •

Tip by

9

12.4 km

Prarayer Hut

Highlight • Mountain Hut

The Prarayer refuge is located in the upper Bionaz valley, surrounded by majestic mountains, glaciers, woods, streams and lakes. The Matterhorn Tour passes here. The refuge overlooks a body of water, an artificial lake formed by the waters of the Buthier stream, which flows along the entire Valpelline. This lake is one of the largest in the Aosta Valley and offers spectacular scenery.

The most popular path to reach the refuge is from the south, via a mule track accessible to anyone, which follows the route along the lake. It's perfect for a relaxing, scenic ride, suitable for all levels. If you're looking for a more technical and fun challenge, there are other access routes that are slightly more challenging but equally rewarding.

Translated by Google •

Tip by

10

16.9 km

Place Moulin Dam

Highlight • Monument

The Place Moulin dam is a dam in Italy. It stands in a side valley of the Aosta Valley northeast of Aosta in the municipality of Bionaz and there dams the Buthier, a tributary of the Dora Baltea, with an arch dam to form a reservoir. The dam, which was built from 1955 to 1965, was at that time one of the largest dams in the world with a height of 155 m.

Translated by Google •

Tip by

11

17.1 km

The road to the refuge is a mule track accessible to anyone (even at
mothers with prams for children), the walk is also very beautiful
with mountain bikes.
The difference in height between the square where you leave the car (about 1980 m.s.l.m.) is
very modest (the refuge is located at 2005 m.s.l.m.).
The road follows the lake for about 6 km (45 minutes - 1 hour by road),
following a route full of streams and small waterfalls, to land at
refuge.

Translated by Google •

Tip by

B

17.4 km

End point

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Way Types & Surfaces

Way Types

9.65 km

7.19 km

331 m

117 m

< 100 m

Surfaces

15.4 km

1.28 km

613 m

< 100 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Friday 10 July

14°C

8°C

82 %

Additional weather tips

Max wind speed: 5.0 km/h

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Frequently Asked Questions

Where can I park to start the Lago di Place-Moulin lakeside walk?

The trail begins at the impressive Place Moulin Dam. You'll find parking available near the dam. Public transport options are also available from Bionaz to the dam.

Is the Lago di Place-Moulin lakeside walk suitable for beginners or families?

Yes, this trail is largely considered easy, with a 'Tourist' difficulty rating. It primarily follows a comfortable dirt road with minimal elevation changes, making it suitable for a wide range of hikers, including families and even mountain bikers. It's one of the most accessible hikes in the Valle d'Aosta.

What is the terrain like on the path to Rifugio Prarayer?

The path mostly follows a comfortable dirt road along the left side of Place-Moulin Lake. It's generally flat with minimal elevation changes. While mostly accessible, some sections might be uneven or gravelly, and the very end near Rifugio Prarayer can have some rocky parts.

What is the best time of year to hike to Rifugio Prarayer?

The trail is beautiful from spring through autumn. Autumn is particularly stunning as the larch woods transform into vibrant golden hues. While primarily a summer and autumn hike, it's also popular for ski-touring in winter and spring.

Are dogs allowed on the trail?

Yes, the Lago di Place-Moulin lakeside walk is generally considered dog-friendly. Please ensure your dog is well-behaved and kept on a leash, especially around other hikers and wildlife.

Do I need a permit or pay an entrance fee to hike this route?

There is no mention of permits or entrance fees required for hiking the Lago di Place-Moulin lakeside walk to Rifugio Prarayer. It is generally accessible to the public.

What can I see along the route?

You'll be treated to breathtaking scenery, including the vivid turquoise waters of Place-Moulin Lake, numerous small and large waterfalls cascading into the lake, lush meadows, and ancient larch woods. Don't miss the impressive Place Moulin Dam at the start, Europe's highest arch dam.

Are there any viewpoints along the trail?

Yes, there are several excellent viewpoints. You'll get panoramic views of the reservoir from the dam, and stunning mountain panoramas from the shores of Lake Place-Moulin. The entire walk offers picturesque vistas of the glacial lake and surrounding peaks.

Does this trail connect to other well-known paths?

Yes, while a destination in itself, Rifugio Prarayer also serves as a starting point for more challenging ascents. The route itself covers sections of the Tour du Cervin.

How long does the walk to Rifugio Prarayer typically take?

The one-way walk from the dam to Rifugio Prarayer is approximately 5 km and typically takes about 1 to 1.5 hours. The full out-and-back journey is around 10 km.

Are there any facilities or places to eat along the way?

The primary facility along the route is Rifugio Prarayer at the end of the lakeside walk, which offers refreshments and accommodation. There are no other cafes or pubs directly on the trail itself.

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