Natural sights - Page 3

The Doller source is situated at a heigth of 922m. The first catchment of water was in 1906. Since then, the water supplies the city of Mulhouse and its surroundings.
This tree nursery is located between the Welckentalkopf and the Herzogsberg in the Rossberg massif. The name reminds the birth of Napoleon's first son in 1811.
The Vogelstein rocks (1164m) overhang the volcano forest and are classified as a nature reserve, due to the unique forest and the special flora and fauna.
Overlooking the Doller valley the Alfeld Lake is dammed since 1883, to supply lower levels with water. His origin is due to glacial erosion. A path leads to a hut near a cascade.
The Hundsruck mountain pass lies at 748m forms the passage between the valleys of the Thur and the Doller. Cyclists climbing the pass regulary. The french army built this road, ...
The path of the three lakes is situated nearby Gresson and Haute-Bers rigdges and runs past the Neuweiher lake and the Perches lake.
Both of the Neuweiher lakes are the result of glacier activity. Throughout their history, the lakes were drained and used as a meadow. Then the dikes were built again for the needs...