Set for the 2018 Winter Geolympix with permission from the National Trust. If you intend to attempt the Letter/Box Challenge or see this 'fancy' on Mega day/evening/night you may want to leave this until then.

The cache is NOT at the given the co-ords. That's a random spot for GeoArt. Instead you need to solve the Mystery of the Desert Island. It's below. You may assume N51° and W000° and the cache is within two miles or 3Km of the icon.
🌴🌴🌲🌲🌳🌲🔴🌴🌴🌲🌳🌴🌴🌲🌴🌳🌲
🌴🌲🌳🌳🌴🌴🔴🌴🌴🌳🌲🌴🌳🌴🌴🌴
Please DO NOT remove the stamp or ink pad. Neither is a swap - They make this cache a LetterBox/Hybrid. Thank you!
Please join us on Sun Aug 30th 2020 at
GC8C8C9 - GEOLYMPIX IV: STOWE 2020
"The Perfect Vision!"
[General help:] Onfr bs Gerr.
[Puzzle:] Pngrtbevfngvba.
[Additional clue:] Haqre na vfynaq va n frn bs...