The hike from the upper station of the Grimmialp cable cars to the red springs of the Grimmiwasser energy site is truly impressive. Moorland, alpine flowers, and iron-rich springs act as natural sources of energy. Once there, read the fascinating stories about the magical red water. Weekends: 23.05.2026 - 18.10.2026 | Wednesday to Sunday: 08.07.2026 - 09.08.2026 / 23.09.2026 - 11.10.2026