 The Army met little resistance as it advanced through the Black Forest in four columns , through the Höllental ( Hölle valley ) , via Oberkirch , and Freudenstadt , and at the southern end of the forest , along the Rhine bank . Although prudent counsel might have advised Jourdan to establish a position on the eastern slope of the mountains , he did not ; instead he pushed across the Danube plain , taking position between Rottweil and Tuttlingen . 
