All Valleys of North America

This group collects the Valleys subcategory's members located in North America, including named valleys of the United States from the Appalachian and Rocky Mountain systems to Hawaii's volcanic islands, valleys of Canada such as those of the Canadian Rockies and eastern Quebec, and valleys of Mexico and Central America and the Caribbean. These range from major interstate river valleys and metropolitan regions to small, isolated mountain and coastal valleys, reflecting the continent's own geological and settlement diversity.