ハイダー湖-牟田湖

The Haidersee is a lake in South Tyrol, Italy, which belongs to the municipality of Graun im Vinschgau.

St. Valentin auf der Haide (Italian: San Valentino alla Muta) is a village in South Tyrol in the parish of Graun im Vinschgau. The village on the Reschen Pass lies at a height of 1,472 metres between the Haidersee and Reschensee on the scree slope of the Mals Heath. St. Valentin auf der Haide has about 800 inhabitants who predominantly earn a living from summer and winter tourism.