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The Hex Grid Night Cache Mystery Cache

This cache has been archived.

Spacebat: When doing a cache check in July, I discovered that the cache container had gone missing. On two occasions, I have had to replace ALL of the firetacks of my other night cache, and I suspect that the same may have happened for this one. As the cache has run its course, it is time to archive it. Spacebat

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Hidden : 8/3/2009
Difficulty:
3.5 out of 5
Terrain:
2 out of 5

Size: Size:   small (small)

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Geocache Description:

A puzzle cache with the added interest of a night-time search, so you will need a good torch.
The given coordinates are for the middle of a deep dark forest, so don't go there unless you want to get lost!

Thanks must go to the Estate Manager of the nearby National Trust office for permission to place this cache.

Equipment required for this cache:
Torch (essential)
Compass (No good Geocacher should be without one)
Brain cells (No good Geocacher should be without these either!)
Wellies or good walking boots/shoes

Before you go to the start coordinates, you need to solve the following 4 x 4 grid puzzle:


To solve the puzzle, use all the numbers from 1 to 16 as follows:

1. In the above 4 x 4 grid, all the numbers in a row add up to the figure at its right-hand end, while all the numbers in a column add up to the figure at the bottom of the column.
2. 16 is two cells below and two to the right of 8
3. 13 is immediately below 1
4. 3 is immediately above 12 and immediately to the right of 14
5. 5 is two cells above 13 and one cell above and one cell left of 9
6. 15 is two cells left of 2 and immediately below 4
7. 2 is immediately left of 10, which is immediately below 6.

From the solution to the 4 x 4 puzzle, go to the parking / night-time start location at:
N51º (A4-C2).(A1+B2)(D3)(B3-D4)
W2º (B4 x 3).(C4+A3)(B1)(D1-C4-B2)

Once you have arrived at the start coordinates, hold your torch at head height and point it approximately south east to pick up the first firetack. You will be looking for ten trees with firetacks attached. The tenth tree has two firetacks. This is where the cache is hidden. You are looking for a camouflaged, clip-lock plastic container. At no time do you need to go down any sloping ground or cross any fences, walls or stiles. Unfortunately, because of the nature of the terrain, wheelchair users will not be able to do the cache.

Although there are no nasty slopes or holes and no barbed wire, the ground can be a little uneven and slippery at times. You may well encounter nettles and possibly brambles, so wellies are advised.

There is a £1 coin awaiting the First To Find the cache.

Have fun and take care.

Additional Hints (Decrypt)

Yrns yvggre

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)