On May 12th 2008 Grace Hare recited 31 digits of pi in 18 seconds. With the world record being over 67,000 digits, what is so amazing about that? Well, Grace was only 3 years old at the time and unsurprisingly she is the youngest record holder for memorising pi.
The cache is hidden on a high point accessible by a metalled road leading onto a short, wide dirt track.
The cache is a "camouflaged" nano.