(1) The Appalachian Trail is a long and narrow park, sometimes less than 100 feet wide. The area set aside for the AT to pass within is called the "trail corridor".
(2) An element of the landscape that connects similar areas, such as old-growth forests or habitats. Streamside vegetation may create a corridor of willows and hardwoods between meadows where wildlife feeds.
(1) We walked the narrow corridor between two stands of wild forest.
(2) The trail was like a corridor leading from one campsite to another.