If you are willing to drive, you have plenty of choice in the Peaks...Ladybower, Hope, Peak Forest...loads of other good places to ride around Sheffield...Stanage Edge, Wharny and Greno Woods, around Fox House and Totley...just depends what type of riding you like to do. Being in Manchester is also nice because younger not too far of a drive to get to the north of wales...
Farmer Johns is a local one. £8 for entry, Marple Bridge in Stockport. More bike park in style rather than trail centre. Really good for jump practice. It's a ride down, push back up affair. Full face required too. Its never busy during the week normally four or five other riders there, weekends are busy though.