Hiking tour through Gauchach canyonGauchach is the name of a small river located in the south-eastern part of Black Forest. The hiking tour led me through the canyon which was mined by this small river during thousands of years.... Gauchach river is flowing in the Wutach river, this bigger river is flowing also in a famous canyon and is ending in the river Rhine ...访问相册: http://hegauguide.jalbum.net/Hiking-tour-through-Gauchach-canyon/