The term 'Mountain of Turkey' refers to Mount Ararat, a dormant volcano located in the eastern part of Turkey. It is the highest peak in the country and is considered a sacred mountain in Armenian culture. The crossword solution for this term is IDA, which is the name of the highest peak on Mount Ararat. It is 5, 137 meters (16, 854 feet) tall and is the second-highest peak in the entire region.