Hill 23 km East of Aggeneys and 34 km from Pofadder, in the Northern Cape of South Africa. The name is taken from the Farm Achab. Aggeneys the Town was founded to service a nearby Mine. 

This range of Hills,Mountains and Inselbergs in the Area, display some of the most diverse and complex Geology, in Southern Africa, including some of the richest known concentrations of copper, lead and zinc.

Geolocation
19° 3', -29° 9' 36"
References

South African Place Names by Peter E. Raper.