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Road cycling routes
Switzerland
Valais
Entremont

Lac des Toules

The best road cycling routes around Lac des Toules

4.0

(42)

1,708

riders

8

rides

Road cycling around Lac des Toules offers challenging routes through dramatic Alpine landscapes in Valais, Switzerland. The region is characterized by significant elevation gains, high mountain passes like the Great St. Bernard Pass, and the Lac des Toules reservoir itself, situated at 1,810 meters (5,940 ft). Cyclists navigate mostly paved surfaces, with some demanding segments, amidst a backdrop of rugged peaks and deep valleys. This area provides a demanding environment for experienced road cyclists.

Best road cycling routes around Lac…

Last updated: May 15, 2026

5.0

(7)

247

riders

#1.

Lac des Toules Dam – Great St Bernard Hospice loop from Bourg-Saint-Bernard

84.1km

05:04

2,160m

2,150m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

1

riders

19.4km

01:26

690m

680m

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Mountain Hikes around Lac des Toules

Tips from the Community

Julio
November 19, 2025, View of the Great St Bernard Pass Road

Passing under the imposing covered viaduct that leads to the tunnel marks the beginning of the toughest part of the climb: the gradients become more demanding (though never prohibitive), the fatigue accumulated over the previous 20 km takes its toll, and the winds from Switzerland begin to lash you... you're officially in the high mountains, after all, that's why you came here. If the day is one of the worst, with strong winds from the pass, these last 10 km will be a nightmare, but the beauty and majesty of the landscape will more than make up for even the most intense of efforts.

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The highest road pass in the Aosta Valley and a place that has always fascinated the writer for its thousand-year history, the austere Mauritian hospice and the profound beauty of the landscape.

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This climb is something incredible: it doesn't have difficult gradients but it's long, very long, endless. You reach a point where you almost hate it: you've been cycling for well over an hour and still can't see the summit, you're running out of energy and the wind keeps whipping your face, you'd like to throw your bike away and say "Enough! I'm stopping here"... but it's only for a moment, because you're the one who chose to face it and you knew perfectly well what you were getting into; you set off again with more grit than before and tackle those last few km of road with all your remaining strength. And then you enter the tunnel, there you start to realize you've made it, you come out, follow the road that turns slightly to the left and, as if in a dream, the lake appears. You reach the top and think about how many people throughout the centuries have traveled this road: Salassi, Romans, monks, migrants, Napoleonic soldiers... you realize you are in a place where History is dense and nature is stunning, and there you can only love this hill

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Hotel Italia is highly recommended

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Have already driven a little!!!

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An intense and very impressive climb. Over 11km you have to overcome around 850 meters in altitude. The roads are narrow and winding. There is little traffic. The splendor of colors in the larch forests is particularly impressive in autumn. Not an easy but highly recommended alternative to the main road in the valley.

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The austere buildings of the Hospice of Great St. Bernard are situated in a rocky pass through which an icy wind almost always blows, on the edge of a lake that is frozen for an average of 265 days a year and where winter lasts almost eight months. For nine centuries, the Canons Regular of the Order of St. Augustine, who settled here at the instigation of St. Bernard of Menthon, have maintained a tradition of helpfulness and hospitality. Travellers who wish to relax for a while in this peaceful place are welcome all year round.

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A great workout and a pleasure to look at.

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Frequently Asked Questions

What kind of terrain and elevation can I expect on road cycling routes around Lac des Toules?

Road cycling around Lac des Toules is characterized by dramatic Alpine landscapes and significant elevation gains. Routes often feature high mountain passes, such as the Great St. Bernard Pass, and mostly paved surfaces. While some segments can be demanding, the region offers a blend of challenging climbs and breathtaking vistas, appealing to experienced cyclists.

Are there any moderate road cycling routes suitable for those looking for less extreme climbs?

Yes, while many routes are challenging, there are options for moderate difficulty. For instance, the Great St. Bernard Pass – Col du Grand Saint-Bernard loop from Bourg-Saint-Bernard is a moderate 13.5 km route with about 564 meters of elevation gain. Another moderate option is the Loop of Liddes, covering 19.4 km with around 687 meters of ascent.

What notable landmarks or natural features can I see along the road cycling routes?

The region is rich in natural beauty and historical sites. You can cycle past the impressive Lac des Toules Dam, an arch-dome dam and a notable engineering feat. The iconic Great St. Bernard Pass offers stunning panoramic views, including vistas of the entire Mont Blanc massif and glacier lakes. The historic Hospice du Grand-Saint-Bernard is also a significant cultural landmark in the area.

What is the best time of year to go road cycling in the Lac des Toules region?

The best time for road cycling around Lac des Toules is typically during the warmer months when the high mountain passes are clear of snow. This usually spans from late spring through early autumn. Cyclists should always check local weather and road conditions, especially for high-altitude routes like the Great St. Bernard Pass, which can be affected by snow well into early summer.

Are there any circular road cycling routes available?

Yes, many of the road cycling routes in the Lac des Toules area are designed as loops, allowing you to start and finish in the same location. Examples include the Great St. Bernard Pass – Col du Grand Saint-Bernard loop from Bourg-Saint-Bernard and the Loop of Liddes. These circular routes offer diverse scenery without the need for shuttle arrangements.

What do other road cyclists say about their experience in Lac des Toules?

The road cycling routes around Lac des Toules are highly rated by the komoot community, with an average score of 3.9 stars from over 40 reviews. Cyclists often praise the dramatic mountain backdrops, the physical challenge of the Alpine climbs, and the pristine lake views, making for an unforgettable experience.

Is it possible to find family-friendly road cycling routes with less elevation gain?

While many routes feature significant elevation, there are options with less demanding climbs. The region offers a diverse network, and you can find routes with mostly paved surfaces that are more suitable for families or those seeking a gentler ride. Look for routes categorized as 'easy' or 'moderate' to find options with manageable elevation profiles.

Are there any specific routes that offer particularly scenic viewpoints?

Absolutely. The entire region is known for its stunning scenery. The Great St. Bernard Pass, in particular, offers breathtaking panoramic views of the Mont Blanc massif and glacier lakes. Cycling around Lac des Toules itself provides picturesque views of the reservoir and the surrounding Valais Mountains. Many routes are designed to maximize exposure to these dramatic landscapes.

What are the options for parking when road cycling in the Lac des Toules area?

Parking is generally available in and around the villages such as Bourg-Saint-Bernard, which serves as a common starting point for many routes. It's advisable to check local signage for specific parking regulations and availability, especially during peak season, to ensure a smooth start to your ride.

Can I access the Lac des Toules cycling routes using public transport?

Public transport options are available to reach the Lac des Toules region, particularly to larger towns in Valais. From there, local bus services might connect to smaller villages like Bourg-Saint-Bernard. It's recommended to check the local public transport schedules and policies regarding bicycle carriage in advance, as space can be limited, especially on smaller routes or during busy times.

Are there cafes or accommodation options near the cycling routes?

Yes, you'll find cafes, restaurants, and accommodation options in the villages surrounding Lac des Toules, such as Bourg-Saint-Bernard. The historic Hospice du Grand-Saint-Bernard also offers accommodation and services at the pass itself. These establishments provide convenient stops for refreshments or overnight stays for cyclists exploring the region.

How many road cycling routes are available in the Lac des Toules region?

There are a total of 8 road cycling routes documented in the Lac des Toules region, catering to various skill levels. This includes 1 easy route, 3 moderate routes, and 4 difficult routes, ensuring options for different cycling preferences and fitness levels.

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