The "Tret-Lager" was recommended to me by colleagues of the VC-Allschwil, so I registered for the tour 2019 (Sun.23. - Sat. 29. June). The Tret-Lager is excellently organized, I really had fun cycling through the amazing landscape from Switzerland together with like-minded people. This year there were 6 stages in June, we had beautiful nice and hot summer weather, 836km and 14'080hm.