The Provincial Minister of Local Government, Environmental Affairs and Development Planning in the Western Cape, under section 23(1)(a)(i) of the NEM:PAA has declared the following properties the Viljoensdrift Nature Reserve:
- Portion 27 (Viljoens Drift) (a portion of Portion 2) of the Farm Goedemoed No. 128 Robertson, situated in the Langeberg Municipality, Division Robertson, Western Cape;
- Remainder of Portion 2 of the Farm Annex Goedemoed No. 127 Robertson, situated in the Langeberg Municipality, Division Robertson, Western Cape.