Pea Farm - Stanley
Only 10 pounds for the whole day. It's in Stanley. Can't tell you the address as I am only 12 and don't pay attention to all the signs and stuff like that.
Anyway, parts of the track are nice and smooth there are plenty of jumps - some big, some small. It's a very, very big place. I'd say it would be good for 65cc too 125cc maybe 250cc.
If you don't know where Stanley is, it is in Gateshead. Go to Google Earth and just look around Stanley and you should come across it!