1) Ravine 
Kloof is a leafy upper-class suburb and small town, that includes a smaller area called Everton, in the greater Durban area of eThekwini in KwaZulu-Natal, South Africa. The word Kloof (cf. cleft) means `gorge` in Afrikaans and the area is named after the deep ravine formed by the Molweni stream (stream of high cliffs). The Kloof Gorge is part of.....
• (n.) A glen; a ravine closed at its upper end.
Kloof noun [ Dutch See Clove a cleft.] A glen; a ravine closed at its upper end. [ South Africa]
A gully or ravine (often densely wooded), usually on a mountainside.
(in South Africa) a deep glen; ravine.