You are looking for a 20 litre black drum, however to determine the final coordinates you will need to examine the image below to extract the minutes.

Sat. lock is awful at the final location and so you may wish to view the general terrain from a location 0.035 south and 0.013 west of the GZ. When looking towards the GZ you want to be about half way up in the alcove. The cache is then in an upper chamber reached by climbing the rock crevice. There is a "Z" at the base of final climb. Please be careful when free climbing or use safety equipment

Mlgurena va gur zvqqyr jvyy or "bhe ynfg pel orsber bhe rgreany fvyrapr".
Qbg cbvag gur pvepyrf naq qnfu gur erpgnatyrf?