Between these two towns , the canal crosses the River Avon and the former Great Western Railway on aqueducts .
Six more interspersed locks lead to Radford , after which a 5 - mile ( 8 - km ) level takes the canal through Leamington Spa to Warwick .
Between these two towns , the canal crosses the Warwick   and the former Great Western Railway on aqueducts .
Six more interspersed locks lead to Radford , after which a 5 - mile ( 8 - km ) level takes the canal through Leamington Spa to Warwick .