 To the east of this river the surface rises to a height of 1 @,@ 225 feet ( 373 m ) at Woodward Hill , on the border with the parish of Saddleworth . The rest of the surface is hilly , the average height decreasing towards the southwest to Failsworth and the city of Manchester . The ridge called Oldham Edge , 800 feet ( 244 m ) high , comes southward from Royton into the centre of the town . 
 To the east of this river the surface <a href='uninflect' title='1'><mark>rises</mark></a> to a height of 1 @,@ 225 feet ( 373 m ) at Woodward Hill , on the border with the parish of Saddleworth . The rest of the surface <a href='drop_aux' title='2'><mark>is</mark></a>hilly , the average height decreasing towards the southwest to Failsworth and the city of Manchester . The ridge called Oldham Edge , 800 feet ( 244 m ) high , <a href='uninflect' title='3'><mark>comes</mark></a> southward from Royton into the centre of the town . 
To da east of dis river tdasurface rise to a height of 1 @,@ 225 feet ( 373 m ) at Woodward Hill , on thdaorder with thedarish of Saddleworth . The rest of the surface hilly , the darage height decreasing towards the southwest to Failsworth and the city of Manchester . The ridge called Oldham Edge , 800 feet ( 244 m ) high , cum southward from Royton into the cdare of the town .