Choose your location carefully: Think of what the experience will be for those who will find it. If you don’t think it will be fun to find, neither will others. Also be sure to obtain good coordinates. Mark it, then walk away 200 feet and navigate to your hide using your coordinates in your GPS.
"When you go to hide a geocache, think of the reason you are bringing people to that spot. If the only reason is for the geocache, then find a better spot." – briansnat
You are looking for a bison tube.