The Tour Allgäu-Oberschwaben runs mainly on small narrow connecting roads, some of which are only single-lane. On these roads, there is not much traffic to be expected, but one has to be careful, as there is not always enough space to pass by.
From Sonthofen the tour first leads via Burgberg and Rottach to the turnoff to Martinszell. Via Häusern and Martinszell the tour continues to Oberdorf and further to Niedersonthofen. There the tour turns left and shortly afterwards right again, following narrow farm tracks via Ettensberg to Hellengerst.
Here the tour turns left and then right again and continues on to Buchenberg. From here - turn left - to Eschach and then - turn right - to Wegscheidel. There turn left to Winterstetten. Turn right in the direction of Muthmannshofen and then - right again - to Gschnaidt. Shortly after the village - at Lendraß - turn left and continue to Hettisried. There turn left until shortly before Wuchzenhofen and then right until Hofs and further to Aichstetten. From there the tour continues to Schloss Zeil. After visiting this beautiful complex, the tour continues towards Seibranz and then - turning left - to Starkenhofen and Bauhofen. Via Diepoldshofen you will then reach Kißlegg. From here - continuing mainly on narrow farm tracks - via Siggen, Speck and Rötenbach to Vogt. Then to Waldburg and on to Hannober. From here - of course again on small roads - to Amtszell. The tour continues via Neukirch, Kreuzweiher and Oberlangnau to Giessen and then - turning left - to Betznau and Berg. From here it's only a few more kilometres to Nitzenweiler, where you can take a break at the Gasthof Seerose.
Then the path leads via Wielandsweiler (turn right) and Degersee. Then turn left and shortly afterwards right again to Neuravensburg. There - before the maypole - turn right to Degetsweiler, Völklings and Stockenweiler. Turn left here and - later on right - continue to Opfenbach. There first left and after 300 m left again until Maria Thann. Then first cross the B 12 and the next priority road as well. Then keep left and continue via Giessen and Siggen to Göttlishofen.
Then via Christazhofen - there turn left towards Kißlegg - and Beuren to Friesenhofen. Turn right here. Then left to Rohrdorf and further to Großholzleute. Keep left there in the direction of Kempten. At Seltmanns turn right and continue to Immenstadt. From there via Blaichach back to Sonthofen.
The total distance is almost 250 km