The three military firing ranges encompass much of north Dartmoor and they have done for a very long time. Many of the structures associated with the military’s activities can be classed as ‘archaeological features’ which include target railways, butts, bound stones and the observation posts or OP’s as they are known on the moor. Originally these were granite built ‘bunkers’ where on the Okehampton firing range military personnel could observe any firing activities that were taking place as well as keeping a look-out for any stray animals or ramblers that might be wandering into the line of fire. Latterly the modern structures tend to be made of steel and have replaced the old design. Indeed many of the original OP’s have been removed completely. At one time there were around 23 observation posts on Dartmoor, today there are just 7. The rest were removed either by the Ministry of Defence or the National Park Authority because some people considered them an eye-sore and spoilt the natural beauty of the landscape. They are/were a feature of Dartmoor and so it could beg the question as to what constitutes a ‘blot’ on the perceived landscape? It could be argued that around 500 years ago the old stone circles etc were regarded as eyesores and so were removed which today is classed as nothing less than the rape of the heritage of Dartmoor. The map below shows the known locations of the OP’s on the moor, the only one that has proven to be an enigma is OP 18 as its location is unknown. There is also an observation post on Hangingstone Hill but also on the western flank is a derelict structure that is thought to have been a very early observation post or bunker.
As with many of Dartmoor’s features the OP’s have been the subject of numerous letterbox stamps and in some cases hidden in or very near the actual structures.
Hangingstone Hill Letterbox
Probably the most famous of all the observation posts is OP15 which is located at the southern-most car-accessible point on the old military road. It is here that many walkers will park before setting out on a ‘trundle’ into the heart of the North Moor. It is an ideal starting point for visiting such places as Cranmere Pool and Fur tor and as opposed to the more traditional starting points will save many miles of walking. Therefore on some days it is not surprising to find the OP surrounded by vehicles. I can remember a few years ago, an elderly letterboxer had parked her car at OP15 and set out for a days boxing. When she returned later that night she found the place devoid of vehicles including her own which meant a distressing four mile walk back down the military road to summon assistance.
OP 15 – Photograph by R. Knights
Taking into consideration how busy OP15 can become, there was once a proposal put forward to use the place as a cafe on days when the military were absent. This very lucrative idea would have also provided a welcome service to the walkers who set off from there. After all if they can have a cafe on top of Snowdon why not at OP15?
There has also been the occasional party held at OP15 and in one instance I can recall a pick-up truck loaded with beer crates clanking it’s way up the military road in order to supply the bar, there were even optics fixed to the wall. How many other pubs are there where you can sit on top of the bar and have your drinks handed up? At least at OP15 there are no neighbours to complain about the noise only sheep and they soon make themselves scarce.