Starting in Riva, at the main road to Limone, Strada del Ponale begins just before the first tunnel to the right. Follow the old road, called "Ponale." It takes some tunnels to the beginning of the Ledro-Valley and has beautiful views throughout. There is a restaurant (Ponale Alto Belvedere) when you reach the Ledro-Valley.
The lower part ends at the junction to Pregrasina just 100m behind the restaurant.