Aarau is situated on the MISC@1 plateau , in the valley of the Aar , on the river 's right bank , and at the southern foot of the LOCATION@1 , PERSON@1 , W. & PERSON@2 .

The old city of LOCATION@2 lies on a rocky cliff where the ORGANIZATION@1 river valley narrows at the southern foot of the LOCATION@1 .
