Hike it or bike it, you can't drive it. This one's a bike it unless you want a long hike. It's between 6 - 8 miles, depending on your choices, and will take about 2 hours to complete. You should bring water and snacks for your ride.
I've been informed that there is Poison Oak growing close to gz but I didn't see any near the cache.
You can download the cartridge here.
Smartphone users will want to download the Pocket PC cartridge.
Special note to Garmin users: game runs a bit slow on the gps (tested on the Oregon 450) so be careful before you hit the back button or you might accidentally close your game.
Other things to be aware of with wherigos:
You may have to scroll down to see all the Message.
Hints are given in Messages and Tasks.
The game has several auto saves built in so if you find yourself on the losing end of a stampede or something, the game restores itself back one zone instead of starting completely over.
Hey, I did warn you it was dangerous work you were undertaking.
Now go out there and have fun!