I'm in the fortunate position of having a disused railway line running alongside my garden, and having a gate straight on to it. All owned by my girlfriend's family, (farmers).
There's about a 250 yard stretch right by us which is in a cutting ranging from about 6 to 12 feet deep, it doesn't get used for much at all, so I had this idea yesterday........ The old trackbed itself is basically flat by the way and I suppose about 15 feet wide or thereabouts now.
I'll have to leave a strip down the middle wide enough to get the tractor down, but suppose I can pretty much do what I like with the rest.
So, if it was you, what would you put in? Photo's would be helpful! At the moment I know my cornering speed & berm technique leaves a lot to be desired, along with jumps, so that's a starting point.
Riding a Genesis Core btw