Coolest Rails: Alpine Train Journeys to Escape Swiss Summer Heat

Known as the slowest express train in the world, this iconic route connects Zermatt and St. Moritz. It passes through 291 bridges and 91 tunnels, offering panoramic views of the Rhine Gorge and the Oberalp Pass in a climate-controlled environment.

A UNESCO World Heritage route that crosses from Switzerland into Italy via the Bernina Pass. It features the famous Bernina Rack Railway, providing stunning views of glaciers and turquoise lakes while maintaining a comfortable, cool cabin temperature.

The new, seamless train service connecting Montreux with Lucerne via Interlaken. It offers large panoramic windows for viewing the Lavaux Vineyards and the Emmental region, providing a breezy escape from urban heat islands.

Combines a scenic lake cruise on Lake Lucerne with a journey on the historic Gotthard line. The train ride through the tunnel and mountains offers a significant drop in temperature, making it a perfect mid-summer escape.

This independent rail operation offers trips on the historic Albula and Bernina lines. Passengers can enjoy the high-altitude scenery without the crowds, with cooler air at the summit stations of Filisur and Ospizio Bernina.

Running through the dramatic Reuss Gorge, this route connects Lucerne with Flims. The train winds through deep valleys and tunnels, offering a refreshing breeze and stunning geological formations away from the coastal humidity.

Accessing the high-altitude region of Interlaken, Grindelwald, and Wengen, these cogwheel trains climb into cooler alpine air. The journey to Kleine Scheidegg offers spectacular views and a distinct change in climate from the valleys.

Following the Rhine River from Chur to Landquart, this route offers a gentle, cool breeze along the waterway. It is less crowded than major tourist lines and provides lush green views and pleasant temperatures.

Many travelers combine the Bernina Express with a visit to Glacier 3000. The cable car ride up to the glacier station offers freezing temperatures year-round, making it an extreme escape from summer heat.

Part of the larger network, this section connects Visp to Zermatt. The journey into the car-free village of Zermatt takes you through lush valleys into cooler, high-alpine conditions near the Matterhorn.

The train line through the Engadin valley offers wide views of the mountains and the Inn River. The high altitude of St. Moritz ensures cooler evenings, making it a popular summer retreat for those seeking relief from heatwaves.

This direct connection offers a comfortable ride through the Swiss heartland. The panoramic cars provide ample space and airflow, with stops at scenic points like Lake Brienz where the water is refreshingly cold.

Exploring the rolling hills of Appenzell, this network offers a gentler, cooler alternative to the high peaks. The routes wind through green pastures and small villages, providing a peaceful and temperate journey.

While primarily for freight, guided tours allow access to parts of the base tunnel infrastructure. The deep underground environment offers a consistently cool temperature, providing a unique and extreme contrast to the summer heat above ground.

Part of the Bernese Oberland Bahn network, this route climbs towards the Simplon Pass. The high altitude provides significantly cooler air than the valleys below, with views of the Valais region and surrounding peaks.

Connecting Lucerne with St. Gallen, this route crosses the Voralpen range. The journey through the Toggenburg valley offers lush scenery and cooler mountain air, serving as a pleasant alternative to road travel.

For a shorter escape, this tram runs along Lake Geneva near Lausanne. While not alpine, the proximity to the water and the shaded terraces offer a breezy, cool environment compared to the inland heat.

The Matterhorn Gotthard Railway stops at Fiesch and Riederalp, providing access to the Aletsch Glacier. The high-altitude stops offer crisp, cold air and views of the largest glacier in the Alps, a true summer refuge.

Climbing from Chur to the resort town of Arosa, this rack railway ascends into cooler, forested mountains. The journey takes passengers above the tree line into a refreshing alpine climate, ideal for escaping lowland heat.

A short but scenic trip from Flims to Laax, this line offers quick access to high-altitude meadows. The surrounding forests and higher elevation provide a natural air conditioning effect, perfect for a quick cool-down.