The cache is at the posted coordinates, but to access the log you will need to decipher the four digit code cunningly hidden in the image below. Bring a pen and tweezers & do check your answer with the certitue link below.
You can validate your puzzle solution with
certitude.
This cache has been placed for the South Wales Puzzlers Meet #25 event.
N sbhe qvtvg pbqr obk nggnpurq gb n I-funcrq fncyvat gerr ng tebhaq yriry.