A special rock in Bletterbach by maxiloll@uoregon.edu | Jun 13, 2021 | Bletterbach As the sign at the entrance states, this is a natural monument built over an immemorial time. Entering the Bletterbach Gorge Hiking the Bletterbach gorge means undertaking a journey through millions of years… The signs of time are on the rocks This UNESCO World Heritage site provides insight into the inner part of the mountains, into the world of rocks and stones, and into the structure of the Dolomites. The gorge is an open book, where scientists, hikers passionate about geology, as well as nature-loving families with children may read about more than 40 million years of geological history. During one of my visits sitting by chance on a rock, I saw a fossil carved right there. A special rock in Bletterbach