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Post details Post   (Contract pics)
Mick Farren entere.. by simon3   (Show all posts)
PURE (Protecting U.. by simon3   (Show all posts)
Like CaptainVertig.. by bejasus   (Show all posts)
It seems very quie.. by CaptainVertigo   (Show all posts)
simon3
2006-12-21 14:12:04
SMC contour maps
Parodes -- yes I would agree that the contour maps are a big advantage on a GPS. The contours are not particularly accurate. They come from "SRTM" data (Shuttle Radar Topography Mission) run by NASA some years ago. They only released 3 arcsecond data. This means for Ireland that they give height information at a spacing of around 56m by 90 metres. Much of the contour detail on the SMC system is therefore "interpolated" that is guesstimated.

MountainViews has a system that allows people to correct summit positions using GPS measurements. Over half the summits in our current list have at least one measurement and as time goes on this will improve. I take your point that what actually is the summit is not clear in some cases. Quite often there is no cairn or marking or there is a trig pillar but not quite at the summit.
I suppose it would be possible to come up with a system which identifies the exact point that is the summit. Would this really be worthwhile? It is possible incidentally that the SMC V2 map is not using the most uptodate positions for summits. Another GPS map we offer (from member Pazapas) uses a recent upload of data - the contours are 50m however.
It now appears tha.. by CaptainVertigo   (Show all posts)
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User profile
Geo
Geo 8 hours ago.
October 2017, I am a walker with the Navan Trekkers club,we walk mostly in the Mournes, Cooley and Wicklow mountains on club walks as they are closest but I walk anywhere else I can! Living in suc...

  
Summit Comment
Lislorkan Top: Coastal Hill
sandman 2 days ago.
Accessible via the Cliffs of Moher Visitor Center and car park or via other locations on this coastal walk of your choosing. Best to enjoy the full length of this fantastic cliff walk.

  
Summit Comment
Knockardakin: Coastal Hill
sandman 2 days ago.
Located adjacent to the world renowned Cliffs of Moher,and although this is the hill which the visitor center is built into, the summit is not located in a public area. Access is via a farm gate o...

Summit Comment
Stockeen Cliff Top: Coastal Hill
sandman 2 days ago.
Located adjacent to the cliff walk accessible via the Cliffs of Moher Center. Best to enjoy the full walk rather than just summit bagging but for your added enjoyment the earlier in the morning yo...

  
Summit Comment
Corduff: My wee dander to the summit
Ulsterpooka 4 days ago.
I followed Muschi's and Paddyhilksbagger route. When going to the trig I moved on a few cows before I walked to the trig. After taking a few pics I seen the large brown bull in the field was block...

  
Track
Inishowen Slieve Snaght from the north.
simon3 6 days ago.
This linear walk route starts from the north and includes the two Arderins and one Vandeleur-Lynam in the area. It sta... walk, Len: 9.3km, Climb: 515m, Area: Slieve Snaght, Inishowen (Ireland) Sliev

Track
Cruach Eoghanach
Peter Walker a week ago.
Cruach Eoghanach is a handy outing on the days when you get out of the car, feel the force of the wind and rain, look... walk, Len: 10.4km, Climb: 329m, Area: Cruach Eoghanach, S Donegal/W Tyrone (Ir

  
Summit Summary
Slieve Main: Inishowen's second mountain.
Collaborative entry Last edit by: simon3 6 days ago.
Parking in a small quarry 3km to the east at point C444 372, cross the smaller top of Damph and then head north, curving around the valley until you cross a fence at C425 380 then begin to ascend ...

  
Track
Pics de Batoua
David-Guenot a week ago.
walk, Len: 18.3km, Climb: 1672m, Area: France, Occitanie ()

Summit Comment
Castlemahon Mountain: My outing to Castlemahon summit.
Ulsterpooka a week ago.
I followed Peter Walkers route and asked permission to walk to the summit mast. The person was very friendly and accommodating. I parked at the last house in what is a four house dwelling lane. Th...

  
Forum: Suggestions
Clare Coastal Hills
simon3 4 days ago.
We have added 14 Coastal Hills for Clare today. Intriguing names like Stockeen Cliff Top, 185mJust to remind. A Coastal Hill is a hill of at least 50m with a drop from the top or prominence of 20m...

  
Track
Arona to Parador Hotel via Valle de Ucanca
GSheehy 4 days ago.
Sticking the boots in the bag, when the intention was to go and have a rest.Justifying a walk, that?s predominantly as walk, Len: 30.8km, Climb: 2274m, Area: Spain, Canary Islands ()


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