The cache, being a challenge, is at the above coordinates.
This challenge is quite simple, you just need to find six caches, but.....
1. They all need to be different types of cache, and ......
2. They all need a d/t rating of 5/5.
As and example our list looks like this:
Mystery GC1NH60 Werewolf 30/4/2009
Wherigo GC2YYV4 Yorkshire Three Peaks - Challenge Cache 3/8/2011
Multi GC30T33 Millhouses Multi 23/6/2012
Traditional GC2NKRN Titanics Funnel 13/7/2013
Letterbox GC47ENM This is weir-d 13/7/2013
Earthcache GC21761 Volcanic Mayhem - Kincraig Point 3/6/2014
You can check yoour qualification using this checker:
https://project-gc.com/Challenges/GC7VBPE/36754