Webster-Merriem szótár: Tour

a : a journey for business, pleasure, or education often involving a series of stops and ending at the starting point; also : something resembling such a tour

Word reference: Trail or Path?

A path would be a natural path caused by humans and/or animals walking along it. It would be narrow and completely unsuitable for horses or vehicles of any sort.
A trail can be a well-established path, sometimes repaired or improved by workers. It is almost always wider than a path and may be (in sections or overall) suitable for horses, bicycles, and perhaps vehicles.