The caching community has seen some recently troll activity - particular very close to this local area.
We all know the modern meaning of the word, but a troll is an ancient creature from Norse mythology and Scandinavian folklore. Trolls are said to be human(ish) type creates, that are generally not very helpful to humans.
They are also renowned for being of low intelligence, lacking the ability to do so much as a basic mathematical sum.
At this stage I should point out that there is nothing particularly interesting about this cache or it's location, and you certainly won't need a 4wd to get to this cache! Now - you can't say I didn't warn you!
You're looking for a small sistema container Happy hunting !