Complex sentence: Fremington Edge stands where the dales of Arkengarthdale and Swaledale meet, throughout it's full length the edge stays above the height of 400 metres and reaches a highest point of 473 metres (1552 feet) at the northern end of the escarpment.
Split into simpler sentences: Fremington Edge stands where the dales of Arkengarthdale and Swaledale meet. Throughout it's full length the Edge stays above the height of 400 metres and reaches a highest point of 473 metres (1552 feet) at the northern end of the escarpment.