Firstly, you attempt this cache at your own risk. If you are old, pregnant, a child, you suffer with a heart condition, asthma, a nervous disposition, eczema, have at least two arms and legs, then you should consult your doctor before setting out on the lengthy hunt for this cache.
You will need quite a lot of specialist equipment to retrieve this cache successfully, such as - advanced climbing gear with heavy duty ropes, crampons, a hard hat, a pickaxe, machette and Indianna Jones style whip, a designer wet suit, thermal underwear, a sturdy boat with an acid resistant hull and at least 2 acid resistant oars, a repair kit for your boat, telescopic drain rods, a chemical resistant and radiation proof body suit (ideally with a head mask which can repell the infamous Dengie Bloodsuckers), a retro style sweatband with matching writsbands (FAME style) and shot of adrenaline will likely come in handy.
Make sure you let people know you are going out and what time you should be back so that they can contact the emergency services if you do not return in time.
Combat survival skills are a must. Anyone with previous military experience or a career in the marines would find this a challenge.
Be aware that you may need to carry out extreme self first aid in this remote location. Remember to take rescue flares and three days worth of food, water and materials to build an emergency shelter.
Now some vital information about the location: be aware of the ferocious wild bears known to frequent this area. There are packs of rabid squirrels and hundreds of swamp rats found everywhere. That is if they do not get bitten by the poisonous snakes first.
Do not attempt to retrieve this cache without extremely expensive hard wearing gaiters to keep the man eating ferrets out of your combats.
Wire cutters and earthed rubber gloves and waders will help when disabling the high voltage electric fence that surrounds the area, as well as a head torch to deter wolves and scorpions.
Remember, most bugs and insects are edible but not all plants are.
We hope you come back alive and unscathed to tell your tale.
Good luck, you will need it. This challenge is based upon a cache by trackers and finders which we did attempted, but were thwarted at the final hurdle. Let's hope you have more luck!