How is fine Alpine cheese made in the Justis Valley (Justistal)? At an Alpine cheese dairy in the Justis Valley you can look over the shoulder of the cheese maker and subsequently enjoy a dairyman’s breakfast. Groups gather from June to September at 7:30 AM at the Grön Hut (Grönhütte). Reservation required by the day before the event. Every Tuesday, June to September. Duration: 3 to 4 hours. Fee: adults CHF 15, children CHF 8.