Why does the Trail en Côte-Rôtie run through terraced vineyards?

Côte Brune, Côte Blonde: two slopes to climb
Photo credits:

Wikimedia Commons

Trail en Côte-Rôtie: why these vine terraces?

The Trail en Côte-Rôtie runs through terraced vineyards because the appellation clings to the steep hillsides of the Rhône, in Ampuis. Dry-stone walls hold back these parcels of syrah scorched by the sun—hence the name “Côte-Rôtie”.