The R70 is a provincial route in the Free State Province, South Africa that connects Odendaalsrus with Ficksburg via Ventersburg and Senekal.

After five kilometres, it meets the R730 route (ZR Mahabane Highway) at a junction and enters the Riebeeckstad Suburb of Welkom as Jasons Way.

From the R730 junction, the R70 goes eastwards for twenty three kilometres, through Riebeeckstad, to the town of Hennenman, where it turns to the south-east.

[2] From Hennenman, the R70 goes south-east for sixteen kilometres to the town of Ventersburg, where it forms an interchange with the N1 National Route.

[2] The R70 goes southwards for seventy one kilometres, through Rosendal, to reach its south-eastern terminus at a junction with the R26 route just north of Ficksburg.