Please take care not to stray from the (admittedly somewhat faint) path: there is no need for any sort of rock climbing or scrambling.
Sit down. Relax. Empty your mind of the excitement of geocaching and prepare to receive clues by means of extra-sensory perception ...
I'm studying these Zener cards ...

... can you see which shape I've locked on to? It's a [word with D+E letters].
Now I'm taking away card number (F-3)÷A ... got that? ... and am colouring an unspecified number of the remaining cards red.
I am distracted momentarily by my cat!
Instead of receiving vital information about the cache location, your mind is flooded with images of kittens. (E×E)÷F of them pause to give you a quizzical look, then resume their frenzied shredding of the curtains.
Time to take off the electrodes. You'll find the cache at N AB° AB.ABC W CCD° CE.FAE

March 2013
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A few people have expressed concern about the potential for snake encounters. Of course you should exercise some caution, but don't let this put you off visiting! The advice from the Friends Of Leckhampton Hill group is:
You may encounter adders on Leckhampton Hill and Charlton Kings Common. Always wear sturdy footwear and long trousers. Adders will only bite when they feel threatened with no means of escape. They are most vulnerable to being trodden on when they are basking in the sunshine to warm up and cannot make a quick getaway; generally they do so in the morning (before 11 o’clock) and then late afternoon (after 4 o’clock), in temperatures between 9 and 18 °C. Note, however that peak basking months are April/May and September. They tend to bask in the tussocky grass or at interfaces between tall vegetation and more open ground. If you see an adder (a brown snake (paler in the case of males) with zig-zag markings), step back (checking there are no others around) and stand quietly – the snake will move away. If an adder rears its head over its body, it feels threatened. In the unlikely event of a bite, there is no need to panic, but seek medical help immediately. Extra caution should be taken if members of the group have known allergies to insect bites or stings.