Complex sentence: This observation point was built on the Ridge or "Brae" of the hill, one side over looking the Birstall area the other looking downwards from Howden Clough and the Valley towards upland Morley.
Split into simpler sentences: This observation point was built on the Ridge or "Brae" of the hill. One side over-looked the Birstall area the other looked downwards from Howden Clough and the Valley towards upland Morley.