Simplify the following text for a Grade 2 native English-speaking person.
Original: A principal destination along the former Oldham Loop Line , Oldham once had seven railway stations but this was reduced to four once Clegg Street , Oldham Central and Glodwick Road closed in the mid-20th century ; Hollinwood , Oldham Werneth , Oldham Mumps and Derker closed on 3 October 2009 . Trains from Manchester Victoria station to Oldham had to climb steeply through much of its 6 m route , from around 100 f at Manchester city center to around 600 f at Oldham Mumps .
Simplified: Oldham is a town in the North West of England .