The Mission;
Find a really tough hiding spot for a large cache.
Require geocachers to use their keen navigational skills to find this.
Attach the cache in the secret hiding spot where no muggles should be able to find this.
Add a log and swag.
Make sure it's close to the trail.
Make it winter friendly.
Mission - complete!
Now come and find it! But don't forget your pen!
Please place the cache back safely.