 It is known to be the only town where the south-east side of the Monte Rosa.Mollia, the town downriver, is behind a bend of the valley.West of Riva Valdobbia town, opens the Val Vogna, a side valley just in part served by paved road, on the old so-called "Antica via d'Aosta" "ancient Aosta Track", that united Riva Valdobbia with Gressoney-Saint-Jean through the colle di Valdobbia, the Valdobbia Pass.