This cache is a bonus for completing the Idlewild Park Adventure Lab. To play the adventure lab, you will need the Adventure Lab app on your phone.
When you give a correct answer in the Adventure Lab, the journals will give you a portion of the final stage coordinates. Cache is not at posted coordinates, you must complete the Adventure Lab to getg the final coordinates.
Final is at N 39° 31'.AB", W 119° 50'.CDE"