The only exceptions are Unterentfelden and Eppenberg-W Ã schnau to the south , whose places are divided from Aarau by the large forests of GÃ nhard and Zelgli . The only exceptions are Unterentfelden and Eppenberg-W Ã schnau to the south , whose settlements are divided from Aarau by the expansive forests of GÃ nhard and Zelgli .