 Pine Ridge is part of the 400 Plateau , and stretches , in a curve towards the sea , for around one mile ( 1 @.@ 6 km ) . Beyond Pine Ridge is <unk> Valley and Gun Ridge and , like the rest of the terrain , it was covered in a thick gorse scrub , but also had stunted pine trees around eleven feet ( 3 @.@ 4 m ) tall growing on it . 
