Full details of the series can be found at cache #1 - GC97R9H
The Cache
The final cache of the series and at the listed coordinates you will be at a walkway which will take you back to the village of Pontyclun and to your mode of transportation.
Here you will find a blue sign with white lettering - you are looking for the letter values to find the cache at
N 51 31.A B C W 003 23.D E F
where
A = 3rd letter of the first word
B = 4th letter of the first word
C = 2nd letter of the third word
D = 3rd letter of third word minus last letter of first word
E = 1st letter of second word minus 6th letter of first word
F = 9th letter of first word
And that's your lot. To complete the circuit follow the road back up to the village high street and turn right to get back to the car park.
I hope you have enjoyed this little multi series, I would love to hear about your adventure in your logs