Ah i don't think it's that far from me, i always get Milton Keynes confused with Ashton Keynes... Ashton Keynes is a big lake, where you basically just swim, and they have a man made beach, it's pretty cool... and all the lakes in that area have water skiing, canoeing, kayaking etc...

I've done like.. indoor snowboarding Once in london at some convention thing.. was ace... i really wanna go properly