Eiger, Mönch & Jungfrau Railways. Welcome to the Jungfrau Region, home of the Eiger, Mönch & Jungfrau in the very heart of Switzerland. The resorts of Interlaken, Grindelwald, Wengen and Mürren guarantee holidays and excursions where nature is at its beautiful best in both summer and winter. As one of the leading mountain railway groups in the Alps, Jungfrau Railways has been carrying guests from each and every continent to the glacier world of the Jungfraujoch - Top of Europe, altitude 3454 m, for over one hundred years. The construction of the Jungfrau Railway, Europe´s highest-altitude cogwheel railway, was considered an exceptional pioneering feat and today has lost none of its fascination in this unique mountain world. The Jungfraujoch is located in the middle of the Jungfrau-Aletsch-Bietschhorn UNESCO World Heritage and ranks as one of Switzerland´s best-known sightseeing attractions.