The John Muir Way is a 215-kilometre (130 mi) continuous long-distance route in southern Scotland, running from Helensburgh, Argyll and Bute in the west to Dunbar, East Lothian in the east. It is named in honour of the Scottish conservationist John Muir, who was born in Dunbar in 1838 and became a founder of the United States National Park Service. The route provides a coast-to-coast route across Scotland, linking Muir's birthplace with Scotland's first national park, Loch Lomond and The Trossachs, and Helensburgh, from where he left Scotland for the United States. It is suitable for walkers and cyclists although some sections are on rougher terrain and may not be suitable for road bicycles.

Helensburgh is a coastal town on the north side of the Firth of Clyde in Scotland, situated at the mouth of the Gareloch. Historically in Dunbartonshire, it became part of Argyll and Bute council area following local government reorganisation in 1996.