Your starting point is the Lechfall, the waterfall on the southern edge of Füssen — about a 10-minute walk from Füssen train station. This is self-guided: no guide meets you. Just start at the viewing bridge and follow the route on your own phone.
The route finishes at the Museum of Füssen, in the former St. Mang monastery in the heart of the old town — just a few minutes' walk from shops, cafés and the bus stops to Neuschwanstein.