Hölloch - the largest cave in Europe

6 Highlights at the Hölloch

• The Hölloch is the largest cave in Switzerland and Europe. It consists of a huge system of tunnels, cliffs and narrow passages.
• Various exciting guided tours take place in the Hölloch. On these tours, experienced guides show visitors the ramified system. At the same time they inform about the formation and geology of the cave.
• These tours are a great event for smaller groups, schools and company outings.
• There are many beautiful rock formations and unique stalactites in the cave, which were formed over millions of years.
• The cave is a world record holder. No cave in the world is simultaneously as long and as deep as the Hölloch (210 km long, 1033 m difference in altitude).
• All structures of the cave were created by the power of underground water. These underground rivers have been shaping the cave for millions of years.

What awaits you at Hölloch

Caves are among the most fascinating natural spectacles there are. The experience of wandering inside the earth and discovering its branching systems is unique. The Hölloch is the largest cave in Switzerland and Europe. Its size even makes it a world record holder: no cave in the world is simultaneously so long and so deep. The Hölloch has a total length of 210 km and a difference in altitude of 1033 meters.

The cave offers a wide range of guided tours. You can choose between different expedition lengths and the destination of the tour. There is everything from 2-hour short tours to full-day tours. On one tour, visitors can even enjoy dinner in the cave.

You will be accompanied on all tours by experienced expedition guides. They will give you a lot of exciting information about the formation of the cave and the different stone formations. These include dripstones, which have formed over millions of years from calcareous water. Or exciting steep walls and fascinating cave rooms. All these structures were formed by the underground water flows in the cave.

Getting to Hölloch

You can find the visitor center for Hölloch in Stalden, which is part of Muotathal. Just a short walk from the center is the entrance to the stunning cave. The area is easily accessible by public transport or car.

Public Transport

The cave is just a three-minute walk from the nearest bus stop, Hölloch. To get there easily, take the train from your starting point to Schwyz train station. From there, catch bus 501 towards Muotathal Hölloch and ride it to the final stop. The bus departs every 30 minutes from Schwyz train station.

By car

The cave is also very easy to reach by car. Just drive to the address "Stalden 15, 6436 Muotathal". You can park your car at the Restaurant Hölloch in Muotathal/Stalden. From there it is only a short walk to the visitor center. Also bigger coaches can drive on the road to the restaurant Hölloch without any problems.

Who is the Hölloch suitable for

Thanks to the many offers for various expeditions into the cave, a visit is doable for anyone with a normal fitness level. Claustrophobia shouldn’t be a big issue either, as the paths in the Hölloch are generally quite spacious. Visitors who can easily use a regular four-person lift should not experience any claustrophobia in the cave.

With a constant temperature of 6°C throughout the year, and with the weather outside being irrelevant, visiting the Hölloch is one of the perfect bad weather ideas in Switzerland.

However, the cave is not accessible with strollers, wheelchairs, or dogs. A trip to the Hölloch is, however, an excellent choice for a school or family outing. It’s also a fantastic activity for smaller, private team events.