Milton Keynes, I very nearly guessed Furness Vale for the previous round, even though New Mills Newtown is closer to me.
Edit: And my best time between the two stations is about 7.5 minutes, down past Swizzles into the valley and up by the signal box, I once managed 8 minutes via the main road when the foot bridge over the river was closed after a night in the Railway at Whaley Bridge but I digress.