Never done a reverse Wherigo before? This will be a great introduction for you you.
To start this you must have a Wherigo player and download the following cartridge created by Waldmeister. Download Cartridge here.
Start up the cartridge and follow the instructions.
You will need to enter the following numbers
104396
085196
914357
This will tell you how far away the cache is but not in what direction. Keep trying directions until you narrow down the location of the cache.
This will be an easy find and accessible by all, please keep it this way and happy caching