What stretches about 1200 miles and borders the Blue Ridge Mountains?
Great Appalachian Valley The Great Valley, also called the Great Appalachian Valley or Great Valley Region, is one of the major landform features of eastern North America. It is a gigantic trough—a chain of valley lowlands—and the central feature of the Appalachian Mountain system. The trough stretches about 1200 mi from Quebec to Alabama and has been an important north-south route of travel since prehistoric times.
Blue Mountains (New Zealand) The Blue Mountains are a range of rugged hills in West Otago, in southern New Zealand. They form a barrier between the valleys of the Clutha and Pomahaka Rivers. They lie between the towns of Tapanui and Lawrence and rise to 1019 metres (3280 ft).