Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Vyalova cave ( ) is a cave in a lower plateau of the Chatyrdag mountain, Crimea. It also has an ''old'' name: Togerik-Alan-Hosar ( - - ). The cave has a vertical entrance of 31 m depth, which gradually (at a depth about 16 m) transforms into a steep (almost vertical) shaft. The total depth of the cave is 124 m. It belongs to the Vyalova cave system.The cave is named after Russian speleologist Vyalov.