panorama valley view of alpine mountain village hamlet st martin im calfeisental gigerwaldsee st gallen switzerland

alpine alps beautiful blue calfeisental environment europe forest gigerwaldsee green hiking hill holiday lake landscape martin mountain nature outdoor panorama peaceful pfaefers pfafers relax reservoir river sargans sarganserland stausee swimming switzerland tourism tranquil travel tree vacation vaettis valley vattis view water wild hamlet settlement village house building