Heidenloch in Heidelberg, Germany The Heidenloch in Heidelberg, Germany can be visited by following the Philosophenweg (Philosophers’ Walk). The Philosophenweg is opposite the Altstadt (Old town), across the Neckar river. 4k+ Deutschland destinations Deutschland tour Deutschland travel Deutschland trip Deutschland vacation Germany Germany Destinations Germany Tour germany travel Germany trip germany vacation heidelberg heidelberg germany tour Heidenloch Philosophenweg philosopher's walk places to travel travel vlog walking