This cache is not at the posted coordinates. The "Uniquely Yuman" Adventure Lab must be completed to get the final coordinates.
At each stage answer the question correctly, which will give you a letter of the alphabet. All five letters will form a word, using each only once. Input the word into certitude, lower case only,
Cache is near the southernmost stage.
There is parking nearby.
You can validate your puzzle solution with
certitude.