Don't try and swim here, you won't find the geocache!
You first need to complete the adventure lab and gain the values for A, B, C, D, and E from the completion message.
You can access the Willen Lake Wander with Jack Adventure Lab by scanning the below QR code, or 'clicking' the image.
N52 3.ABC W0 43.DED
While some may report the location is 10m out, 2 GPS devices and 30 mins of waiting disagree with you. You are under tree cover and so you will be battling for an accurate signal.
