Witton-le Wear
Section 13, mountain bike trail at Hamsterley Forest near bishop Aukland, County Durham, North East England.
Silkstone
Silkstone Fall Woods has a few different mountain bike tracks with decent gaps and jumps
The Smugglers trail consists of one main path from Loans through Dundonald, but if you explore a bit you will find freeride tracks with lots of jumps & berms.
Ripon
Spinny Woods Mountain Bike trails are located at Ripon approx 12 miles from Harrogate.
Doncaster
Steetley Quarry, near Doncaster contains a short technical Mountain Bike DH trail in woods with three big gaps and two steep descents.
Middlesbrough
The Dippers are a range of dirt jumps, suitable for mountain bikers built by local riders in Flatts Lane Country Park near the Ormesby area of Middlesbrough.
The Ercall Downhill mountain bike trails are a good training ground for DH & Freeriders
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White Stone mountain bike crails contains a short DH with a few jumps and drops.