Located in the southernmost part of Northern Rhône, the appellation is very small and not widely known.
[1] There are two allowed grapes in Saint-Péray, Marsanne and Roussanne, with the former covering 90% of the planted area.
A third grape "Roussette" is alleged to also be grown, but apparently only the wine growers themselves distinguish this from Roussanne.
[2] Saint-Péray Mousseaux is a wine-growing AOC in the northern Rhône wine region of France.
Still wines from the same region and grapes are made under the appellation Saint-Péray AOC.