Wanniassa Hills Nature Reserve has 1 named peak. The highest is Mount Wanniassa at 809 m.
There are 1 named mountains in Wanniassa Hills Nature Reserve. The highest and the most prominent mountain is Mount Wanniassa.

The highest peak in Wanniassa Hills Nature Reserve is Mount Wanniassa, at 809 m.
Notable peaks in Wanniassa Hills Nature Reserve include Mount Wanniassa.
