- a mountain range in E North America, extending from S Quebec province to N Alabama. Highest peak, Mt. Mitchell, 6684 feet (2037 meters).
- a mountain system of E North America, extending from Quebec province in Canada to central Alabama in the US: contains rich deposits of anthracite, bitumen, and iron ore. Highest peak: Mount Mitchell, 2038 m (6684 ft)
Mountain chain in the eastern United States, extending from the valley of thein , , to the coastal plain of the in .