Trail

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Spotlight

The Joy Of Trails (Tony Zammit, TEDxHelena)

Reference

Dictionary

trail : a course followed or to be followed — Webster

Free Dictionary, Wiktionary, OneLook

Thesaurus

Roget’s II (Thesaurus.com), Merriam-Webster Thesaurus, Visuwords

Encyclopedia

Trail is usually a path, track or unpaved lane or road. — Wikipedia

Encyclopædia Britannica

Preservation

History

Top 10 Legendary Hiking Trails in the World

Library

WorldCat, Library of Congress, UPenn Online Books, Open Library