OK ... I decided to start in the North - as this is the area I (and most other people) know least about, and wanted to learn more.
First up: Pafuri Gate:
Pafuri Gate:(GPS: 22º24’00.27”S 31º02’27.67”E)

There are 11 gates into Kruger. The "Pafuri Gate" is the Northern most access route to KNP and is 600km from Johannesburg. Follow the N1 toll road north through Tshwane (Pretoria), Polokwane (Pietersburg) and Louis Trichardt. Continue 54 km north from Louis Trichardt and turn east onto the R525. This will take you to the gate.
Pafuri is named after one of the earlier Venda chiefs in the area - Mphaphuli.