This is my first Wherigo. So feel free to let me know what you think.
You can drive to all the stages of the wherigo and it should not take you longer than 30mins to complete the wherigo. The wherigo is all about the history of Hankey and it's early residents.
You need to find and sign the log sheet for the cache in order to qualify to log that you "Found it" on the Geocaching site. The Wherigo will take you there.
The cache is not hidden at the coordinates provided. To find the cache, you need to download and play the related Wherigo Hankey History which will provide you with the information you need to find the cache.
More about Wherigo caches
Wherigo is a GPS based activity that can be played outdoors which was created by Groundspeak. It a mix between an adventure game and a geocache search.
In order to follow the adventure/tour to the physical cache you need to download software to a compatible device. Devices include iPhone/iPad (Wherigo App), Android smart phones with GPS ( WhereYouGo App), Pocket PC and other GPS - See the Wherigo site and Groundspeak Forums for downloads and lists of compatible devices.