The primary landmark in Brisbane, Queensland is Mt Coot-tha.

If a river can be described as a landmark, then the Brisbane River would earn the title of Brisbane's primary landmark.

The main mountain in Brisbane is Mt Coot-tha.

The highest point in the city of Brisbane, Queensland is Mt Coot-tha, with an elevation of 218 metres.

Not really. Several suburbs are situated on the slopes of Mt Coot-tha, and these include Bardon, The Gap and surrounding suburbs, but they are not really comparable to the Adelaide Hills. As one moves further up towards Mount Glorious (which is just outside Brisbane), the topography becomes similar, but the houses are much more widely spaced apart.

Yes. Mount Morgan lies inland from Rockhampton in Central Queensland.