The area is enclosed within the Victorian Riverina and adjoins the Murray River. In the lower catchment (north of the Great Dividing Range) lies the Goldfields, which are dominated by rolling plains and hills. From the landform map below, the majority of the North Central catchment region is comprised of plains above flood level with a relative relief below 9 metres. This area encompasses most of the north-east of the catchment and large sub-regions throughout the remainder.
View of Pyrenees Range (from Mt Cole)
Other significant land formations in North Central include various hills and rises. The relative relief of most of these hills are 90 to 300 metres, while the rises are between 9-30 metres. These rises also encompass stranded beach ridges which usually trend in a NNW-SSE direction. Hills and rises interlock between the plains, chiefly throughout the lower catchment region.
Moving from east to west in the catchment region, landform changes from the above mentioned plains, hills and rises characteristics to a mixture of inland dunes, plains above flood level with a relative relief of up to 9 metres and rises with a relative relief of 9 to 30 metres (including stranded beach ridges which usually trend NNW-SSE). There are also swamps, lunettes and other water body complexes in the far west of the region. Finally, a significant floodplain bisects east from west in the upper catchment region.
A specific study of landform and soil relationships was carried out in the Bet Bet Creek catchment.
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