Lacs de Fenetre

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This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
This reflects the return distance of this route as measured by the GPS file.
6.6 km
This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
600 m
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Directions to Trailhead
Lacs de Fenetre

Hiking to Lacs de Fenetre is a challenging workout that takes you to a viewpoint of three alpine lakes and a glaciated mountain range. The hiking is mostly on a rocky trail with some steep ascents, but it’s relatively safe.

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Route Description for Lacs de Fenetre

The trail on this hike is quite rocky, but you can get by on trail runners in summer. There are several forks on the trail with no signposts, so follow your GPS to stick to the route where needed.

Behind the cheese shop, the trail ascends northwest. Take the trail until you reach a high pass. This is the Swiss/Italian border, so you’ll be crossing back into Switzerland.

The trail then descends and three lakes will come into view. Just past the third lake is a small hill with a cross on top. Climb up to the cross and you will have a great view of Mont Dolent and other mountains across the valley.

Return to your car by retracing your steps.

Insider Hints for Lacs de Fenetre

  • Bring along a picnic mat and a bottle of wine, then buy cheese and sausages at the Freres Diemoz shop. Pick your spot by the lake or beside the cross for a meal with a stunning view.
  • It is possible to spot ibex on the surrounding mountainsides. Bring binoculars!

Getting to the Lacs de Fenetre Trailhead

The trail starts in Italy, though it quickly crosses back into Switzerland where the majority of the trail is located and where the destination lakes are. To reach the trailhead, drive from Martigny to the Great Saint Bernard hospice. Continue past the hospice and cross the border into Italy, which is just a few more meters away. Drive 1.3 km, then park your car at the Frères Diemoz Alpeggio "Lo Baou" cheese shop (SS27, Saint-rhemy-en-bosses AO, Italy). Driving time from Lausanne is about an hour and a half.

Route Information

  • When to do

    June to October

  • Backcountry Campsites


  • Pets allowed


  • Family friendly

    Older Children only

  • Route Signage


  • Crowd Levels


  • Route Type

    Out and back

Lacs de Fenetre Elevation Graph

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