4.6
(29)
4,074
runners
153
runs
Jogging around Lac de Saint-Guérin offers routes through a landscape characterized by a pristine alpine lake, surrounding mountains, and dense forests. The region features varied terrain, from lakeside paths to more challenging mountain trails with significant elevation changes. Runners can explore a mix of open vistas and sheltered woodland sections. The area provides a natural setting for diverse running experiences.
Last updated: July 8, 2026
5.0
(2)
32
runners
25.0km
03:46
1,110m
1,110m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
23
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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89
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
28
runners
21.8km
03:46
1,170m
1,170m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
7
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
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Popular around Lac de Saint-Guérin
Very tough climb with several kilometers averaging over 9%. As you ascend, the views of the valley are wonderful.
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Fantastic views from the ridgeline at the summit 🤩
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This lake is located at an altitude of 2,248 meters, at the foot of Pierra Menta, a remarkable peak in the Beaufortain massif. https://youtu.be/G0Ss9v6wxQQ
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Incredible views and a breathtaking ridge trail
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A perfect place for a break before or after crossing the Pierra Menta.
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beautiful and peaceful lake, great to have a lunch break with a view
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Beautiful alpine lake worth visiting.
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Yes, while many routes in the area are challenging, there are a few easier options. The region offers 2 easy running routes, often found closer to the lake shore, providing a gentler introduction to running in this alpine environment.
The terrain around Lac de Saint-Guérin is quite varied. You'll find everything from relatively flat lakeside paths to more demanding mountain trails with significant elevation changes, traversing dense forests, alpine meadows, and rocky sections. Expect a mix of natural surfaces.
Yes, several running routes in the area are circular, allowing you to start and finish at the same point. For example, the Lake Saint-Guérin – Louse Pass loop from Barrage de Saint-Guérin is a popular circular trail that takes you through mountain passes and alongside the lake.
The area is rich with natural beauty. Along your runs, you can enjoy stunning views of the lake itself, such as the View of Lac de Saint-Guérin. The Saint-Guérin Dam is also a notable landmark, offering impressive engineering alongside the natural landscape. Many trails also lead to high-altitude lakes like Lac d'Amour or Lac des Fées, providing picturesque stops.
Winter running around Lac de Saint-Guérin can be challenging due to snow and ice, especially on higher elevation trails. Lower, more sheltered paths might be accessible, but conditions can vary greatly. It's essential to check local weather and trail conditions, and be prepared with appropriate gear for snowy or icy terrain.
While many routes are quite challenging, families looking for a run can find suitable options on the easier, flatter sections, particularly those closer to the lake shore. These paths offer a less strenuous experience, perfect for a family outing. Always check the route's difficulty and elevation profile before heading out.
The best time for running around Lac de Saint-Guérin is typically from late spring to early autumn (May to October). During these months, the weather is generally milder, trails are clear of snow, and the alpine flora is vibrant. Summer offers the warmest temperatures, while spring and autumn provide cooler conditions and fewer crowds.
Generally, dogs are welcome on many trails in the Lac de Saint-Guérin region, especially if kept on a leash. However, it's always advisable to check specific regulations for certain areas, particularly if they pass through nature reserves or private land. Be mindful of livestock and wildlife, and always clean up after your pet.
The Lac de Saint-Guérin region offers a wide selection for runners, with over 150 running routes available. This includes a diverse range of options, from moderate forest paths to highly challenging mountain ascents, catering to various fitness levels and preferences.
The running routes in Lac de Saint-Guérin are highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the stunning alpine scenery, the challenging yet rewarding ascents, and the diverse terrain that keeps every run interesting. The views of the pristine lake and surrounding mountains are frequently highlighted as a major draw.
Absolutely. Lac de Saint-Guérin is renowned for its challenging trail running. Routes like the Lac des Fées and Cormet d'Arêches loop offer significant elevation gain and technical sections, traversing mountain passes and high-altitude lakes, perfect for experienced runners seeking a demanding workout.
Public transport options directly to the trailheads around Lac de Saint-Guérin can be limited, as is common in more remote alpine areas. It's often best to rely on personal vehicles. However, some local bus services might connect nearby villages to the general area, so checking regional transport schedules for Arêches-Beaufort is recommended if you plan to use public transport.
Parking is generally available at key access points around Lac de Saint-Guérin, particularly near the dam (Barrage de Saint-Guérin) and in nearby villages like Arêches-Beaufort. These spots often serve as starting points for many popular trails. It's advisable to arrive early during peak season to secure a space.


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