Admire the most beautiful places of Gemmano and add them to your basket. YAMGU will create your trip considering distances, opening hours and weather.
Established in 1992 as a visit to the natural reserve of Onferno, is managed by a cooperative of Onferno Caves, with advice from a technical-Scientific Committee. The chalky Boulder, basis of defensive settlement, was considered "Hell's Gate" because of vapours from the cave. The latter looks like a typical crossing training with double opening, documented than the hypogean fauna with particular reference to the bats, which are present in large numbers and with specimens of different species. The Museum is located in the reconstructed from the rectory next to the Church of Santa Colomba (sec.