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Italy
Aosta Valley

Bionaz

The best walks and hikes around Bionaz

4.5

(816)

5,250

hikers

64

hikes

Hiking around Bionaz, nestled in Italy's Valpelline valley, offers diverse alpine landscapes. The region is characterized by majestic peaks, some reaching up to 4000 meters, and a verdant basin of grasslands and dense forests. Key features include the Place Moulin Dam and its emerald-green lake, numerous alpine lakes, and the Montagnayes Nature Reserve. This environment provides a range of trails from gentle walks to challenging climbs.

Best hiking trails around Bionaz

  • The most popular hiking route is Trail to Prarayer…

Last updated: May 10, 2026

4.8

(121)

543

hikers

#1.

Trail to Prarayer Hut from Place Moulin Dam

9.65km

03:00

220m

220m

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

4.7

(29)

229

hikers

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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4.5

(40)

191

hikers

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard
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Popular around Bionaz

In the footsteps of the first mountaineers – Valpelline Trek

MTB Trails around Bionaz

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Cycling around Bionaz

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In the footsteps of the first mountaineers – Valpelline Trek

Hiking Collection by

Bryan | Exploro Ergo Sum

Tips from the Community

Lorenzo
August 6, 2025, Lago di Place-Moulin

Very peaceful walk around the lake and majestic lake.

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Jenni
July 25, 2025, Place Moulin Dam

You can also stay for just a few hours: the hour costs 50 cents (as of 2025).

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Jenni
July 25, 2025, Rifugio Prarayer

At the hut, you can enjoy good, traditional dishes at really fair prices. In good weather, you can enjoy the view of the lake from the terrace. If the weather is bad, there's plenty of space inside, too.

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Small, friendly village with a very warm welcome from the villagers

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physical but magnificent descent from the Col de Collon towards Prarayer which runs alongside the Oren torrent

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Two shelters, one for summer and one for winter, the summer one was unfortunately closed when we visited on September 15 and the winter one was available. With a magnificent view

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Descent following the Oren torrent towards Prarayer, magnificent but physical

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easy hike

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Frequently Asked Questions

How many hiking trails are available in Bionaz?

Bionaz offers a wide selection of hiking trails, with over 60 routes to explore, catering to various skill levels from easy walks to challenging climbs.

Are there any family-friendly hiking options in Bionaz?

Yes, Bionaz has several family-friendly options. The path along the Place Moulin Dam is largely flat and accessible, perfect for families and strollers. The Lexert Picnic Area also offers a picturesque setting around a small lake for relaxation and short walks.

Can I bring my dog on the hiking trails in Bionaz?

Bionaz and the Valpelline valley are generally welcoming to dogs. While specific regulations might apply in certain protected areas like the Montagnayes Nature Reserve, many trails are suitable for well-behaved dogs on a leash. Always ensure your dog is under control and respect local wildlife.

Are there any circular hiking routes in Bionaz?

Yes, Bionaz offers circular routes. An example is the Place Moulin Dam loop, which allows you to enjoy the stunning emerald-green lake and alpine panoramas.

What kind of natural attractions can I see along the hiking trails?

Bionaz's trails lead through diverse natural beauty. You can encounter the impressive Place Moulin Dam and its emerald lake, numerous alpine lakes like Lago Lungo and Lago Morto, and lush forests. For specific natural highlights, consider visiting the Freideron Stream Waterfalls or exploring the Saint-Barthélemy Valley.

What is the best time of year to go hiking in Bionaz?

The best time for hiking in Bionaz is typically during the warmer months, from late spring to early autumn (June to September), when trails are clear of snow and the alpine flora is in full bloom. This period offers pleasant temperatures and optimal conditions for exploring the high-altitude landscapes.

Are there any challenging hikes for experienced trekkers?

Absolutely. Bionaz offers several challenging routes for experienced hikers. Trails like the Ascent to Lago Lungo and Lago Morto involve significant elevation gain and offer rewarding views of alpine lakes. Another strenuous option is the longer hike From Place Moulin Dam to Rifugio Nacamuli at Col Collon.

What do other hikers enjoy most about Bionaz?

The area is highly rated by the komoot community, with an average score of 4.5 stars from over 1,100 reviews. Hikers often praise the majestic mountain scenery, the pristine natural reserves, and the impressive water features like the turquoise Lago di Place Moulin. The diverse network of trails catering to all abilities is also frequently highlighted.

Are there mountain huts or refuges along the trails in Bionaz?

Yes, Bionaz offers access to several mountain huts. The Trail to Prarayer Hut from Place Moulin Dam leads to Rifugio Prarayer, and the hike to Rifugio Nacamuli at Col Collon provides scenic rest points for longer excursions.

Is there parking available at the trailheads in Bionaz?

Yes, parking is generally available at key access points for hiking trails, particularly around popular starting points like the Place Moulin Dam. It's advisable to arrive early during peak season to secure a spot.

Can I reach Bionaz's hiking trails using public transport?

While Bionaz is nestled in a more remote alpine valley, public transport options exist to reach the Valpelline area. However, direct access to all trailheads might be limited, and it's recommended to check local bus schedules in advance, especially during the hiking season, for connections from larger towns like Aosta.

Are there any less crowded hiking trails in Bionaz?

While popular routes can see more visitors, Bionaz's extensive network of trails and the vastness of the Valpelline valley mean you can often find quieter paths. Exploring trails that venture further into the Montagnayes Nature Reserve or opting for longer, more challenging routes can lead to a more solitary experience.

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