Tourist pathway

In the middle of the hall the group of millenary stalagmites called "the giants" dominates. Considering the diameter (from 2 mt to 5 mt) and the height (from 1,50 mt to 20 mt), they are certainly the most impressive stalagmites of the cave. From this point of view, looking at the abyss of Ancona it is possible to see the natural mouth through which the first speleologist let themselves down the complex hypogeum on 29th Sept. 1971 and announced to the world their discovery. "Albo signando lapilla".