In the area of Mariolata is the famous Gunpowder Cave, with large dimensions and in the Greek Revolution of 1821, gunpowder was prepared for the needs of the fighters. The route to Barutospilia is recommended for mountaineers, it is located on the north-eastern side of Parnassos and at the location of Mytika and Kakorema Mariolata. They also say that the cave is very deep and leads to Delphi. From there the messenger entered and informed Pythia about the Blessings he would give to the people, who were stationed in the area and thus Pythia was preparing.