Here's an earlier thread on the vexed topic of taxis in the winelands. There is one taxi service listed in the Franschhoek white pages (can't put my hands on the number at present) but I haven't used him.
Fortunately, as like me you are a highly paid revenue officer, the cost in any case is immaterial!
The taxi service I mentioned doesn't seem to be listed in the Franschhoek Tatler as it used to be, so maybe he isn't doing it anymore..
Here's the Phomolo transfer prices- phomolotravel.co.za/engels,%20transfers.html
As you can see, not cheap!
Another option might be to contact the restaurant and see what they can offer...
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