Note: please read the hint to make sure you've actually found the cache!
The cache is not at the posted coordinates, but this is a good place to park.
To discover the final coordinates, you must complete the associated Adventure Lab. In order to do the Adventure Lab, you will need to install the appropriate app on your smartphone. Once you have completed it, you should have five values for A through E that you can plug into the following formula to get the coordinates: N45 23.ABC W75 42.BDE. If you want to check your answer, there is a geochecker provided. Enjoy!