Hyperion's location 

The longer Hyperion stays hidden, the better. Unfortunately, it will likely be found and mapped by someone who will publish the location, and from then on, say good by to Hyperion. The greatest disease Hyperion faces, is mankind. If you who are skeptical, can't believe in a 380-ft tree, Take a big gulp, because the Redwood has likely reached 400 in past ages. It is a statistical likelihood that taller trees than Hyperion have existed in the Redwoods, considering we only have 2 or 3 % of the original Old Growth left.