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Ridnaun Valley | Vogelhüttensee and Übeltalferner
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Until summer 2005, this lake drained through the channel in the left foreground of the photo whereas today's outlet in the central background was blocked by the tongue of Übeltalferner. The sudden change of the drainage direction due to the retreat of the largest glacier of South Tyrol resulted in a minor glacial lake outburst flood (GLOF). The inflow to Vogelhüttensee is now disconnected from the glacier.