Join エンターテインメント upcoming events being held in Hinterrhein. Hinterrhein is a charming Swiss municipality located in the picturesque Viamala Region of the Graubünden Canton, known for its stunning natural beauty, including the majestic Hinterrhein river and the nearby Viamala Gorge, offering visitors a serene getaway to enjoy outdoor activities such as hiking, mountain biking, and skiing, as well as a glimpse into traditional Swiss life with its well-preserved historical buildings and cultural events.