Here is the list of Féchy vineyard terroirs, as well as the geological nature of each soil.

Calcareous soil with marl base
Calcareous soil with compact limestone base
Colluvial slope-bottom calcareous soil
Non-calcareous soil
Rocky soil on spreading cones
- The important number of rocks allows the water to be evacuated quickly and ensures the soil is well warmed.
- The vine roots have to suck their water from the rocks, giving the wines a pleasant mineral character.
Rough, sandy soil
Red non-calcareous soils