 Mount Osmond is a small suburb of 2 @,@ 497 people in the South Australian capital city of Adelaide . It is part of the City of Burnside local government area and located in the foothills of the Adelaide Hills , five kilometres south east of the city centre . The suburb is high on the hill of the same name , which is the last hill on the right when approaching Adelaide down the South Eastern Freeway before the road levels out onto the Adelaide Plains . It is bounded to the north by the suburb of Beaumont , to the north @-@ east by Burnside , to the east by Waterfall Gully , to the south by Leawood Gardens / Eagle On The Hill , to the south @-@ west by Urrbrae , to the west by Glen Osmond and to the north @-@ west by St Georges . 
