The coordinates will bring you to a mountain biking construct.
"I suspect this location will be cleared and turned into warehouses in the not-too-distant future." - Skookum Bear
But it's all right now, in fact it's a gas
"But we can get our smiley now!" - smitranp & smitranm
But it's all right, I'm jumpin' jack flash
It's a gas, gas, gas
How many horizontal boards in the South Incline? This is A.
How many horizontal boards in the North Incline? This is B.
A + B = 20
To find the Geocache, go ( A * 4 ) paces north from the North Incline, and then go B paces East, just off the trail.