I tried this location before and it was muggled. So I re-named the cache and upgraded to a bigger size in hopes of more luck.
It's on the ground under some roots.
The hint is a big spoiler so please don't read it until you have given up.
Congrats to chucky-chief for the FTF! They found it within 2 hours of placing it!
Gurer'f na nccebk. 10sg gnyy fghzc jvgu fbzr arj gerrf tebjvat sebz vg. Gur fghzc vf ba syng tebhaq, fb qba'g fgneg jnyxvat hcuvyy.