The Great Smoky Mountains are a mountain range located in the southeastern United States, spanning parts of North Carolina and Tennessee. The highest peak in the range is Clingmans Dome, which stands at 6, 643 feet. The range is home to a variety of wildlife, including black bears, elk, and wild turkeys. The term 'Great Smoky Mountain' is derived from the smoke-like haze that often covers the range. The crossword solution for this term is ETNA, which is an active stratovolcano located on the east coast of Sicily, Italy.