AuthorTopic: help with maps  (Read 858 times)

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Offline TEMPER593

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help with maps
« on: February 19, 2009, 22:08:51 »
Hi all.

Can any please tell me which maps i need and what i need to look for for green laning.

Thanks very much TEMP.
Will it fit though there? Dont know but we'll soon find out.............................opps!!!!

Offline landmannnn

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Re: help with maps
« Reply #1 on: February 19, 2009, 22:26:44 »
I would join your local club meet, other than that you really need to go to your local council offices and check the "definitive map" to be sure of a green lane's status. 
Ordanance survey maps will give you some idea but don't tell you whether a road has a right of way or not.

Offline lee celtic

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Re: help with maps
« Reply #2 on: February 19, 2009, 23:00:58 »
Landranger OS maps........


then explore and research  ;)
so many hills , so little time ....
discovery TD5
work in progress...lol

Offline TEMPER593

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Re: help with maps
« Reply #3 on: February 20, 2009, 00:50:28 »
Thanks very muchly.  :)
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Offline Chris Putt

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Re: help with maps
« Reply #4 on: February 20, 2009, 23:47:37 »
Depends how much detail you want........1:50000 is ok for Macro stuff BUT you will find that a lot of 'stuff' is missed off, - ie. some tracks, streams etc.

A 1:50000 will generally be enough for greenlaning escapades, but compare one to a 1:25000of the same area- and you will be very surprised as to the amount that gets missed!

Also depending on where you are going and how good you are with Mapwork, a Harveys, or BMC map can be a very useful tool, and are an unusual scale at 1:40000, with a weird contour interval of 15m?!- Not ideal for use with a conventional romer scale on a normal compass.........

Chris
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Drift

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Re: help with maps
« Reply #5 on: February 21, 2009, 03:28:54 »
If you can get Memory Map that will help but as said above the best way is join a local group or some owner groups may have local meets, all good stuff.

Best got with the initiated and learn fron there, it doesnt take long to be bitten :D

Offline clbarclay

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Re: help with maps
« Reply #6 on: February 21, 2009, 10:44:28 »
The 2 documents that can tell you where you can and can't drive are the Definative Map and List of Streets, both of which are held by the county council. OS maps contain a disclaimer about the accuracy of the information on them.


I've used both 1:50 and 1:25 OS maps for green laning and for walking and to be honest I prefer the 1:50 for gerneral use. The 1:25 contains perhaps too much information I find and doens't make navigation much easier. I know people that just end up counting the hedge rows etc. on a 1:25 and once they have lost count have no definitive idea where they are rather than using all the information availible to them.
Chris

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Offline Chris Putt

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Re: help with maps
« Reply #7 on: February 21, 2009, 20:19:24 »
is it possible to have too much information when Navigating? I personally would argue that it isn't possible to have too much information (especially in low visibility), you just need to be selective in what information you use? When walking I always carry a 1:25000, and usually have a 1:50000, or a BMC/Harvey map as a backup.

For greenlaning a 1:50000 should be adequate, its not like you really need to navigate any more than, 'theres the turning', although and appreciation of the topography can sometimes be useful.
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Offline clbarclay

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Re: help with maps
« Reply #8 on: February 22, 2009, 02:26:02 »
My personal experiance is that too much small detail can be as much of a hinderance as it can be a benefit. There is the old say 'Can't see the wood for the trees'
Chris

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merlin617

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Re: help with maps
« Reply #9 on: February 22, 2009, 06:22:36 »
I have a 1968 edition of the AA book of the road if thats any help  :grin:

Offline jimmy25

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Re: help with maps
« Reply #10 on: February 22, 2009, 07:03:34 »
It may be best to join your local club there is plenty around derbyshire there is peak and potteries  they do local laning and also travel further afield

Offline Chris Putt

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Re: help with maps
« Reply #11 on: February 22, 2009, 21:10:32 »
I don't understand your sentiment of 'too much detail' when walking, maybe if driving, but walking, unless it is 'walking' in terms of wandering up a path any extra detail is great for Navigation. For micro navigation it is essential.

The idea of not seeing wood for trees is simply in most cases a lack of familiarity with using maps, its like driving, look in the near middle and far distance to confirm location. With 1:50000 its very difficult to identify smaller local features and whilst yes, you can locate yourself by looking for a MASSIVE feature and going to it to confirm position, this is not adequate at night, or low visibility when you may not be able to see, let alone identify a large feature.

Also, often features such as crags, small streams outcrops etc are often not marked- these can provide a significant problem inhibiting ascent/descent.

With regards to counting walls. A wall can be a useful linear feature BUT as with any man made feature, they may not always be there, or exactly where marked and therefore you should look for other additional features to confirm position, and try not to be totally reliant on these features (having said this, finding a substancial wall in low visibility to handrail down has been one of the most reassuring things I have ever found whilst out with a group).

If you are out navigating look for obvious 'tick features', these might be walls, streams, woodlands, buildings, cairns etc. BUT keep your options open, try and plan a route or navigation leg (if walking try and avoid much over a Km at a time as it is very difficult to pace that distance, and timing over steep ground and that distance can also be challenging unless you are very familiar with it) in short legs, maybe a few hundred metres at a time if off paths, and I find that sort of seeing a route as a story can help confirm where you are.

So I might say:

Im going to walk roughly 500m, on my way I will be walking initially steeply uphill, but the ground will steadily level out, as the ground levels out I should be able to see a stream running parallel to my left before reaching a crag, which I will need to box around, once I have boxed around the crag I will continue for approximately 100m (pacing at this point) before reaching a re-entrant between two spurs which I will follow and climb up to the top of, the highest point at the end of the reentrant is my destination.

I may then add in a catchment feature, say a stream, wall, wood, change in relief, ie. If I begin to descend I have gone too far!

Whilst this is a very basic sort of route plan I hope you kind of get the idea, be selective about what you choose to use, make sure the features are quite easily recognisable, in my experience I would say that people don't use enough different information and in particular tend to ignore really obvious features such as crags, and slope aspect/relief. The other issue is often that people learn to use a compass, and become heel-bent on using one all of the time, ignoring all of the other useful tools on offer, interpretation of contours and route planning makes a good navigator, not the ability to use a posh protractor!!!


Hope this proves of some use to somebody!!

Chris
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