Preparing for the Route des Grandes Alpes with the Bain Froid - Guide for Cyclists

10 August 2025

Route des Grandes Alpes ® is one of the world's most legendary cycling routes. From Thonon-les-Bains to Menton, this route links the Lake Geneva to the Mediterranean Sea, crossing the French Alps and traversing legendary cols such as the Col du Galibier, Iseran, Croix de Fer or the Bonette. Over 700 km and nearly 18,000 meters of positive elevation gain, it's a challenge that demands top-level physical and mental preparation.

Among the methods for recovering and optimizing performance, using the Louce - a French specialist in cold baths for athletes - can transform your experience. Whether it's before you embark on your Alpine crossing or during the days of exertion, incorporating a cold bath into your routine can speed up muscle recovery, reduce post-exertion soreness and make it easier to endure long stages in the high mountains.

vélo qui monte la route des grandes alpes

Why the cold bath is an asset for Route des Grandes Alpes ®

Tackling mythical cols, tackling steep slopes and riding at high altitude puts your body to the test. Muscle micro-injuries, lactate build-up and nervous fatigue can quickly limit your performance. The cold bath, or cold water immersion, works on several levels:

  • Fast muscle recovery - Cold water reduces inflammation and speeds up the elimination of metabolic waste.
  • Injury prevention - By limiting inflammation, you reduce the risk of tendonitis or joint pain.
  • Mental strengthening - Putting up with the discomfort of the cold trains your mind to keep performing in difficult moments, such as a windy climb up the Col du Galibier or the vallée de la Tinée.

Include the cold bath in your preparation

If you're preparing your itinéraire route des grandes alpes, start incorporating cold baths into your training weeks. After your long outings or hill split sessions, a 1 to 5-minute immersion in water between 8°C and 12°C helps you recover faster and get ready for the next session.

Before you set off, these immersion sessions will also help you get your body used to dealing with the thermal variations you'll encounter in the Alpine mountains: an icy morning at the foot of the Mont Blanc, a sudden thunderstorm in the Aravis, or a cool descent after a summit.

a man who is in a cold bath Louce

Use the cold bath during the traverse

During your periplus on the Route des Grandes Alpes, you can integrate the cold bath directly into your stages :

  • Rivers and lakes - Enjoy the cool waters of the lac de Serre-Ponçon, the torrents of the Parc national des Écrins or the rivers of the vallée de l'Ubaye for a natural bath after an intense day.
  • Portable equipment - Some cyclists take along a lightweight, foldable cold bath for a quick soak on arrival, particularly useful if you're traveling by electric bike with logistical assistance.

This practice reduces accumulated fatigue and keeps energy levels constant throughout the tronçons and cols alpins.

When and how to practice on the road

Here are a few tips for optimizing the use of the cold bath during the grande traversée:

  1. Just after the effort - Effectiveness is greatest within 30 minutes of arrival.
  2. Time and temperature - 1 to 5 minutes in water at 10°C is a good average for an endurance cyclist.
  3. Hydration - Drink before and after to aid recovery.

Mental benefits for tackling the passes

The Route des Grandes Alpes is not just a physical test, it's also a mental challenge. The long ascents, the interminable twists, the weather variations, all put your nerves to the test. The cold bath trains your ability to deal with discomfort and stay focused, which will help you as much on the slopes of the Col du Télégraphe as on the technical descents of the Haute Maurienne.

An ally to fully enjoy the adventure

Combining a good Cols de la route des grandes alpes planned, specific preparation and regular use of the cold bath, you maximize your chances of fully enjoying this mythical route. Each immersion becomes a moment of recuperation, but also a stage of connection with the elements, in grandiose Alpine landscapes.

Whether you're on a racing bike, in cyclotouring mode or on a VAE, the cold bath is a powerful tool for tackling the alpine soils and experiencing the route crossing in the best conditions.