lake schrecksee near oberstdorf in the autumn mountains, allgau, germany

allgaeu allgau alpine alps autumn bavaria beautiful beauty blue europe european fall german germany grass hike hiking idyll idyllic lake landscape light meadow mountain mountaineering mountainside nature oberallgau oberstdorf outdoor panorama panoramic peak picture picturesque postcard range scene scenery scenic schrecksee sky summit sunlight tourism travel trekking turquoise view water