Transhumance route

Route for droving livestock on foot (or on horses, sometimes with vehicles, esp. in Scandinavia) from one place to another, between summer and winter pasture.
Many transhumance roads were ancient routes of unknown age; others are known to date back to medieval or more recent times.
Synonyms: transhumance route, pathway, driftway
unlike Drove/drove route/drove way which means the route to the animal markets, which is only oneway, while transhumance is always two ways respectively a loop route.