Korsman is a pan with no natural outlet, in flat area with a slight inslope towards the pan. Altitude 1632m (water level).

Clay soils (run-off deposits) and some stony areas. Quartzite outcrops in three areas of the Sanctuary. The general underlying geology is mostly quartzite, with sandstone on the southern part.
Saturated hydric soils, salt deserts, fluctuating water level/table. Designated a wetland.

Biome and veld type: Mesic Highveld Grassland bioregion, vegetation type region Soweto Highveld Grassland (Mucina and Rutherford 2006).

Climate: Summer rainfall region. Average rainfall 722mm per annum.
Average maximum temperature 21.9ᴼC per annum. Average minimum temperature 10.1ᴼC per annum.

The pan is fed by rainfall and storm water runoff from a 200Ha catchment area, although storm water from a greater area is fed into the pan through 17 storm water inlets.
Page still under construction: Detailed map  will be inserted once complete.

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