Mountain Biking Highlight
Recommended by 616 out of 643 mountain bikers
Location: Oberstdorf, Oberallgäu, Allgäu, Swabia, Bavaria, Germany
The Trettach rises south of Oberstdorf near the Trettachspitze and is about 14 km long. From its source, the Trettach flows through the Trettach valley of the same name via Spielmannsau, Christlessee, Gruben through Oberstdorf and then at the source of the Iller, together with the rivers Stillach and Breitach, to form the Iller.
June 24, 2020
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