The caches is NOT at the posted coordinates, but it is a good place to park.
In order to obtain the final coordinates for this cache, you must complete the Lititz Rocks Adventure Lab. Link to the Adventure Lab below.
Enter the 5 code letters you receive with each AL stage in alphabetical order into the checker to reveal the final coordinates.
I have added coordinates for each location to help you navigate with your GPSr or geocaching app.
You can validate your puzzle solution with certitude.