Original: The fourth and final feature are the Marrah Mountains , volcanic plugs created by a massif , that rise up to a peak at Deriba crater where there is a small area of temperate climate , high rainfall and permanent springs of water .
Simplified: The fourth and final feature are the Marrah Mountains , that rise up to a peak at Deriba crater where there is a small area of temperate climate , high rainfall and permanent springs of water .