Triple score provides a clue - par 3?
On a course for golf, please leave no mark. - sand traps, greens, tee boxes
So do the colors red and blue. - tee boxes
"Crack the nut and find the treasure. There's a place to cook and a place for leisure."
Im guessing this has to do with the course, I with eegit on park/BBQ... did a google search for "park bbq golf" and a bunch og state parks came up ... The NUT has to be the clue, On a par 3 tee box
and Hickory Nut Gorge? http://www.hickorynutolympiad.com/ ??