The very steep slope of the appellation connects Ruillé-sur-Loir and Lhomme over approximately 5 kilometres along the right bank of the Loir valley, with a south-facing exposure.
The delimited parcels lie on the steepest part of the slope, with gradients of around 15%, at an altitude ranging from 70 to 120 metres.
The shallow, stony soils develop mainly on Turonian tuffeau formations and on Senonian clay-with-flints.
In places, the soils may derive from Eocene detrital formations or contain elements derived from alluvial terraces of the Loir.
The degraded oceanic climate, at the crossroads of oceanic and continental influences, is thermally regulated by the Loir and by the small valleys that drain cold air down the slope, with annual rainfall of approximately 680 millimetres.
Facts drawn from the specification's terroir-link section by automatic interpretation — see the source.
About this boundary
On the map, at overview zooms, this appellation is drawn as a silhouette of its vineyard generalised at 250 m from the INAO parcel delimitation; the parcels themselves appear as you zoom in.
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