Fiesta! / Busch Gardens Fiesta

I still wouldn't use the monorail even if it's manmade,there are objects that will look better and are more suited for the look you're trying to achieve

The turn through the loop looks like NoLimits. It's so smooth.
I like the enviroment but I have just one little point of critisme: "The hedge, or wathever it has to be, looks a bit odd."

Looks to me like this is supposed to be a man-made pond. Keep the monorail, but paint the top green so it looks like the grass goes right up to the edge. Even the most well trimmed of grass will still grow out laterally on the edges after a short while; something a park's landscape department just would not see necessary to cut to expose keep the top of the wall exposed.