Geological sites

The Valais is home to some of the most impressive gorges, caves and grottos in the Alps. Whether by suspended bridge, gallery or boat, exploring the dark grottos and deep gorges of the Valais is an absolutely thrilling experience. This unique and magical world was shaped over millions of years by the immense forces of nature. And not only are the gorges and grottos spectacular in themselves – the story of their discovery has fascinated visitors for decades.

Portail de Fully
Fully Martigny Region Switzerland
The Portail de Fully got its name from a natural arch designed by the creative destiny of erosion in an unusual rock. The Portail is made of dolomites - rocks formed in shallow and very warm waters. To get there from the parking called Erie, go cross over the Col de la Blè and go down towards the scree, then follow signposting «Portail de Fully». Portail de Fully
Fully
Fully

Portail de Fully

The Portail de Fully got its name from a natural arch designed by the creative destiny of erosion in an unusual rock. The Portail is made of dolomites - rocks formed in shallow and very warm waters. To get there from the parking called Erie, go cross over the Col de la Blè and go down towards the scree, then follow signposting «Portail de Fully».