On a rock in this area the names of O. Slotsbo, I. T. Rhenius and O. Bergh are engraved. On the 30th October, 1682, a party under the leadership of Oloff Bergh left the Castle to investigate the area from which the Namakwas brought samples of copper-ore the previous year. Bergh engraved his name and the year 1682 on the rock. Many early travellers visted the place after Bergh. Simon van der Stel paid a visit on the 14th September, 1685, and Starrenburg during 1705. During 1712 Captain K. J. Slotsbo also engraved his name and the year on the rock and during 1721 sub-lieutenant J. T. Rhenius, while on a cattle-trademission, also visited the fountain and engrave his name and the date on the rock.
