Bonus cache for the Croeso i Cowbridge Adventure Lab.
Welcome to Cowbridge.
The cache is not at the above coordinates but is a good place to start. There is 0-2 hours free parking nearby.
You need to complete the nearby Adventure Lab to get the numbers needed for the final coordinates.
Enjoy a lovely walk around the historic market town of Cowbridge. It should take about 40-60 minutes with a simple calculation for the bonus.
The cache can be found at:
N51 27.ABC W003 27.DBE