If one zooms in to the Groot Winterhoek Area, one can see a tweespoor paadjie running from Beaverlac to the farm area South of Citrusdal.

Does anybody know if that road is still open?

This link should take you to the road in question:
https://www.google.com/maps/@-32.860.../data=!3m1!1e3

See screen shots below
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Click image for larger version. 

Name:	gwh1.JPG 
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Size:	47.7 KB 
ID:	519869