"And isn't it ironic, don't you think?"
Random musings and free-association: The chemical symbol for iron is Fe, Fe is the beginning of Fear, and Fear can become phobia, which is this year's HAG theme.
Common cacher phobia: finding the cache at the top of a tall tree after a perilous climb only to discover you do not have a writing implement with which to sign the log.
Common cacher irony: the poor cacher in this situation is the one who is always reminding others to not forget their pens.
Due to the unreliability of gps readings in this area, very specific hints have been given. All of the caches in this series should be easy finds.