Of these the Dora (called for distinctions sake Dora Riparia), which unites with the greater river just below Turin, has its source in the Mont Genèvre, and flows past Susa at the foot of the Mont Cenis.
It is situated on the Dora Riparia, a tributary of the Po, 1625 ft.
Loess bluffs along the banks offer nesting places to Sand Martin (Riparia riparia) and other hole nesters.
Of these the Dora (called for distinctions sake Dora Riparia), which unites with the greater river just below Turin, has its source in the Mont Genèvre, and flows past Susa at the foot of the Mont Cenis.
There are about half a dozen distinct varieties, the best being linearis, or, as it is usually called, riparia, about 1 1/2 feet high, bearing an abundance of yellow blossoms.