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French Benchmarks
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Managed By: Icon Here Waymarkeurs Français
Description:
La Chasse aux Repères Géodésiques Français IGN ou non (La Géodésie est la science de la forme et de la dimension de la Terre).
Expanded Description:
Afin de localiser un objet sur la Terre il faut définir un Système Géodésique.
En France, il a donc été créé un Réseau Géodésique physiquement lié à la croute terrestre (borne, pilier, plaque, repère, etc…) dont les coordonnées et/ou l’altitude sont connues avec précision.

La Nouvelle Triangulation Française (NTF) est matérialisée sur le terrain par:
 - 800 points de 1er Ordre espacés d’environ 30km,
 - 5 000 points de 2eme Ordre espacés d’environ 10km,
 - 60 000 points de 3eme et 4eme Ordre espacés d’environ 3km,
 - 20 000 points complémentaires de 5eme et 6eme Ordre (moins précis)

Le Réseau Géodésique Français (RGF) est le successeur de la Nouvelle Triangulation de la France (NTF).
C'est la réalisation nationale d'un système de référence tridimensionnel mondial, de précision centimétrique, adapté aux technologies modernes de positionnement.
Il est composé de:
 - 23 points du Réseau de Référence Français (RRF déterminés par Géodésie)
 - 1 009 sites du Réseau de Base de la France (RBF déterminé par GPS)

Le réseau de Nivellement Général de la France (NGF):
Il a nécessité l'observation et le calcul de plus de 450 000 repères, généralement placés sur des ’’points durs’’ tels que ponts, soubassements de bâtiments, à environ un mètre du sol.
Tous ont (ou ont eu) une plaque indiquant l'altitude du lieu. Leur forme permet de s'en servir comme appui pour y poser une mire de Géomètre.

Tout ces points sont référencés par l’Institut Géographique National (IGN) et font tous l’objet d’une fiche individuelle les décrivant.

Vous trouverez facilement ces fiches sur geodesie.ign.fr ou sur geoportail.fr

Infos issues de © IGN.fr


[EN] To locate an object on Earth it is necessary to define a Geodesic System of reference.
In France, a Geodesic grid has been created which is physically linked to the Earth's crust (marker, piller, plaque, benchmark, etc.) and for which the coordinates and/or altitude are precisely identified.

The New French Triangulation (NTF) consists of :
 - 800 points of 1st Order spaced about 30km apart,
 - 5 000 points of 2nd Order spaced about 10km apart,
 - 60 000 points of 3rd and 4th Order spaced about 3km apart,
 - 20 000 supplementary points of 5th and 6th Order (less accurate).

The French Geodesic Grid (RGF) is the successor to the New French Triangulation (NTF).
It is the national implementation of a worldwide three-dimensional system of reference, precise to the centimeter, and adapted to modern positioning technologies.
It is composed of:
 - 23 points of the French reference grid (RRF determined by Geodesics)
 - 1 009 sites of the French Base Grid (RBF determined by GPS)

The French general geodesic leveling grid (NGF):
This grid required the observation and calculation of more than 450 000 benchmarks, generally placed on "durable points" such as bridges, the base of buildings, at about one meter above the ground level. All have (or had) a plaque indicating  the altitude of the location.
Their form allows them to be used as a support for a survey leveling instrument.

All of these points are classified by the National Geographical Institute (IGN) and are individually catalogued.

You will easily find the entries for these points at geodesie.ign.fr  or geoportail.fr

Information taken from  © IGN.fr
Instructions for Posting a French Benchmarks Waymark:
[FR] Pour créer un Waymark dans cette catégorie, vous devez:
 - Ajouter une photo en gros plan du point à trouver,
 - Joindre l'adresse Internet de la fiche IGN.
Une photo à plusieurs mètres du point est aussi souhaitable.

[EN] To create a Waymark in this category, you must:
 - Upload a photograph with the point to be found clearly depicting in the foreground,
 - Indicate the Internet address of the IGN entry.
Including a photograph taken from a few meters away is also encouraged.
Instructions for Visiting a Waymark in this Category:
La condition pour loguer ce Waymark, à moins que son créateur ait défini une autre demande, sera au minimum une photo de Vous et/ou de votre GPS à ce point géodésique.
The requirement for logging this Waymark, unless if its creator defined another request, will be at least a picture of You and/or your GPS at this geodetic point.
Category Settings:
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Variables:
  • Point IGN
  • Reference
  • Type
  • Département
  • Lien Fiche IGN
  • Etat
  • Terrain
  • Point additionnel
  • Coordonnées Additionnelles
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Currently displaying French Benchmarks

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Total Records: 109 Page: 1 of 5 prev<<<[12345]>>>next
Image for NGF, Vergons, I'.AC - 101, Chapelleview gallery
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French BenchmarksNGF, Vergons, I'.AC - 101, Chapelle

in French Benchmarks

Repère cylindrique du Nivellement Général de la France.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 5/16/2012

last visited: never

Image for NGF, Naurouze,  Z'.E.Q3 - 17 (Canal du Midi - Partage des eaux)view gallery
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French BenchmarksNGF, Naurouze, Z'.E.Q3 - 17 (Canal du Midi - Partage des eaux)

in French Benchmarks

[FR] Paul Riquet fut le premier à découvrir ce site sur le seuil de partage des eaux. [EN] The Seuil de Naurouze is the watershed point identified by Pierre-Paul Riquet when he designed and built the Canal du Midi.

posted by: Groundspeak Premium Member RakeInTheCache

location: Midi-Pyrénées, France

date approved: 5/5/2012

last visited: never

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French BenchmarksLa Motte

in French Benchmarks

Chapelle de la Motte à Vesoul

posted by: Groundspeak Premium Member NoidaTeam

location: Franche-Comté, France

date approved: 4/29/2012

last visited: 5/2/2012

Image for RDF, Moustiers Sainte Marie VIIIview gallery
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French BenchmarksRDF, Moustiers Sainte Marie VIII

in French Benchmarks

Repère en bronze PM sur la terrasse d'un vieux bâtiment (sation de pompage?). L’accès à la terrasse semble possible mais déconseillé vu l’état de l’échelle. Vue sur le Plateau de Valensole.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/23/2012

last visited: never

Image for MSMM, Moustiers Sainte Marie, Reseau GNSS Permanentview gallery
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French BenchmarksMSMM, Moustiers Sainte Marie, Reseau GNSS Permanent

in French Benchmarks

Station du Réseau GNSS Permanent. Accolée sur une station de pompage et un réservoir.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/23/2012

last visited: never

Image for RDF, Moustiers Sainte Marie IXview gallery
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French BenchmarksRDF, Moustiers Sainte Marie IX

in French Benchmarks

Borne granit du Réseau de Détail Français.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/23/2012

last visited: never

Image for NGF, Manosque, V'.F.M3 - 33view gallery
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French BenchmarksNGF, Manosque, V'.F.M3 - 33

in French Benchmarks

Repère MRU (Ministère Reconstruction Urbanisme) du Nivellement Général de la France.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/13/2012

last visited: never

Image for RDF, Valensole XIIIview gallery
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French BenchmarksRDF, Valensole XIII

in French Benchmarks

Borne en granit du Réseau de Détail Français.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/10/2012

last visited: never

Image for NGF, Riez, I'.C.M3 - 19view gallery
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French BenchmarksNGF, Riez, I'.C.M3 - 19

in French Benchmarks

Plaquette du Nivellement Général de la France.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/6/2012

last visited: never

Image for NGF, Senez, I'.C.O3R3 - 13view gallery
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French BenchmarksNGF, Senez, I'.C.O3R3 - 13

in French Benchmarks

Plaque du Nivellement Général de la France.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/6/2012

last visited: never

Image for NGF, Valensole, I'.C.M3 - 26view gallery
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French BenchmarksNGF, Valensole, I'.C.M3 - 26

in French Benchmarks

Plaquette d'altitude du Nivellement Général de la France.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/6/2012

last visited: never

Image for RDF, Manosque Iview gallery
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French BenchmarksRDF, Manosque I

in French Benchmarks

Borne en granit du Reseau de Detail Francais, située sur la colline de Toutes Aures, offrant une jolie vue sur Manosque, Pierrevert et les environs.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/2/2012

last visited: never

Image for NGF, Puimoisson, I'.C.M3O3 - 11view gallery
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French BenchmarksNGF, Puimoisson, I'.C.M3O3 - 11

in French Benchmarks

Repere cylindrique du Nivellement General de la France, placé au pied du Poteau de Telle.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 4/2/2012

last visited: never

Image for RBF Riez Iview gallery
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French BenchmarksRBF Riez I

in French Benchmarks

Borne Granit du Reseau de Base Francais.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 3/23/2012

last visited: never

Image for NGF, Blieux, Plan d'Asseview gallery
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French BenchmarksNGF, Blieux, Plan d'Asse

in French Benchmarks

Repère médaillon du Reseau de Nivellement General de la France. Altitude : 896,682 m

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 3/23/2012

last visited: never

Image for RDF, LES MEES Iview gallery
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French BenchmarksRDF, LES MEES I

in French Benchmarks

Borne beton du Reseau de Detail Francais.

posted by: Groundspeak Regular Member Asse2Blx

location: Provence-Alpes-Côte d'Azur, France

date approved: 3/10/2012

last visited: never

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French BenchmarksEglise Saint-Germain les Corbeils

in French Benchmarks

Repere de Nivellement

posted by: Groundspeak Premium Member verturin

location: Île-de-France, France

date approved: 3/10/2012

last visited: 3/26/2012

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French BenchmarksTonnay Bridge

in French Benchmarks

Marque IGN de nivellement Tonnay Bridge

posted by: Groundspeak Premium Member verturin

location: Poitou-Charentes, France

date approved: 3/9/2012

last visited: never

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French BenchmarksArsenal Rochefort

in French Benchmarks

Entree de l'Arsenal de Rochefort

posted by: Groundspeak Premium Member verturin

location: Poitou-Charentes, France

date approved: 3/7/2012

last visited: never

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French BenchmarksFort Vauban

in French Benchmarks

Repère de nivellement situé a l'entree du Fort Vauban

posted by: Groundspeak Premium Member verturin

location: Poitou-Charentes, France

date approved: 2/27/2012

last visited: never

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French BenchmarksViaduc de Maizières-Notre-Dame

in French Benchmarks

Viaduc d'une ancienne voie ferrée de L'HOPITAL-DU-GROSBOIS à ORNANS.

posted by: Groundspeak Premium Member Sansecousse

location: Franche-Comté, France

date approved: 2/5/2012

last visited: 4/1/2012

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French BenchmarksSaint-Louis des Invalides, Paris

in French Benchmarks

The cross over the dome of the Saint-Louis des Invalides is an element that belongs to the French Geodetic System.

posted by: Groundspeak Premium Member SUp3rFM & Cruella

location: Île-de-France, France

date approved: 1/30/2012

last visited: 10/16/2007

Image for Eglise Saint Samson, Ouistrehamview gallery
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French BenchmarksEglise Saint Samson, Ouistreham

in French Benchmarks

[FR]Borne de nivellement située sur la face sud de l’Eglise Saint Samson, sur le contrefort le plus à l’ouest. [EN]Border of leveling situated on the face south of the Church Saint Samson, on the buttress most in the west.

posted by: Groundspeak Regular Member 7seven

location: Basse-Normandie, France

date approved: 12/15/2011

last visited: never

Image for Le phare de Ouistrehamview gallery
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French BenchmarksLe phare de Ouistreham

in French Benchmarks

[FR]Borne de nivellement située à la base du phare, sur la face nord.[EN]Border of leveling situated on the base of the lighthouse, on the north face.

posted by: Groundspeak Regular Member 7seven

location: Basse-Normandie, France

date approved: 12/15/2011

last visited: never

Image for Basilique Notre-Dame de la Délivrandeview gallery
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French BenchmarksBasilique Notre-Dame de la Délivrande

in French Benchmarks

[FR]Borne de nivellement située sur la face nord-est de la Basilique Notre-Dame de la Délivrande, à gauche de la porte.[EN]Border of leveling situated on the face north-east of the Basilica Notre-Dame de la Délivrande, to the left of the gate.

posted by: Groundspeak Regular Member 7seven

location: Basse-Normandie, France

date approved: 12/9/2011

last visited: never

Total Records: 109 Page: 1 of 5 prev<<<[12345]>>>next
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