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Penrhiwgwynt assent – Talking to Aliens Multi-cache

Hidden : 05/21/2009
2.5 out of 5
1.5 out of 5

Size: Size:   regular (regular)

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Geocache Description:

This cache consists of 3 questions to answer and a physical final so you won’t need to root about until the final cache.

This cache is rated with a difficulty of 2.5 due to the multiple questions to answer. Otherwise it would be rated as 1/1.5 . Access to the final cache can either be done on foot or possibly with a vehicle.

 There are several ways to get to the final cache and at least one wrong way to attempt access. You will not need to enter any fields or stray off any foot path you may choose to take Please drive carefully.  There is at least one other cache near to the1st and 2nd questions   that you may like to take in whilst attempting this one.

Please note you will need to take a pen to write down the answers for Q1,2 &3.

View from the cache
This cache takes you on a journey from the past of this part of the Rhondda with industrialisation to urban renewal and back into the countryside that existed long before the mining industry arose and died. The pleasant views from the cache can be enhanced by continuing up along the footpath and Trig is accessible via an easy assent.

Your first question is what are the numbers below LMC?
Where the later date is ABCD and the earlier date is EFGH

Now proceed to N 51 3(G-E).(H-2)(A-E)G W003 2(A+E).C(F+E)(A+H) When was this widened and then rebuilt?
Where the earlier date is IJKL and the later date is MNOP

N 51 3(P-I).(J-3)(O+M)(P-2) W 003 2(Ox2).(N-L) I (P-O) at these coordinates you should be within 15ft of an item that allows measurement.
You need to find 4 numbers and a letter then turn this into a six figure number which equals QRSTUV (letter first) where Z=26

Hint for Q3

The Cache is located at N 51 3V.Q(T+S)S W003 2(((Q+J)-V)+S).UQ(P+V-C)

 You are looking for a 2L Lock and Lock type food container.
Original cache contents include logbook, pencil and sharpener a GC, TB and some swaps.

A view from the final cache Another view from the final cache

Congratulations to Snffadogz for their FTF

Additional Hints (Decrypt)

Sbbgcngu gb svany - ivn Craeuvjtjlag Eq be Yyjlapryla Cnex
Haqre ybt.

Decryption Key


(letter above equals below, and vice versa)