Then a faked diversionary attack was mounted by eight German divisions of Army Group Upper Rhine (Heeresgruppe Oberrhein) commanded by Heinrich Himmler, against the U.S. 7th Army and French 1st Army position, which was the thinly stretched line of 110 kilometres (68 mi) long, near Lembach in the Upper Vosges mountains in Alsace; 120 miles to the southeast.