Kolkina Dupka is the longest cave in Bulgaria with 19,164 meters of underground galleries. Until now, Duhlata in Vitosha mountain with 18,200 meters of galleries was considered the longest in the country. This is what speleologists..
The beginnings of organized caving in Bulgaria were laid on 18 March, 1920. Since 1975 speleologists in this country have been entering information into a data base of Bulgarian caves – at this time it includes information and maps of more..
The Rhodope cave Dobrostanski Biser located near the town of Asenovgrad has attracted large number of tourists this summer. Tourist queue outside before entering the cave which abounds with beautiful rock formations. That is why the local..
Better known as the place where revolutionary poet Hristo Botev lost his life, Vrachanski Balkan - the portion of the Balkan Range around Vratsa - is also notable for its numerous natural landmarks. Its flanks, sloping down in the western part..
