Tag:waterway=milestone
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Description |
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A landmark of stone or metal to indicate the distance traveled along a watercourse. ![]() |
Group: waterways |
Used on these elements |
Useful combination |
See also |
Status: de facto![]() |
Tools for this tag |
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Used for a distance marker along a waterway. The signs/markers with the river kilometres can be found left or right on the shore.
How to map
For the pole/board/marker stone on the shore
Draw a node and add the following:
waterway=milestone
distance=*
orriver:waterway_distance=*
– specified distance (in km);distance=*
is used much more frequently (approx. 10:1)
Optional seamark tags:
seamark:distance_mark:category=pole/board/unknown_shape
seamark:type=distance_mark
– OpenSeaMap/Distance_Marksseamark:distance_mark:distance=number
seamark:distance_mark:units=kilometres/hectometres
For the virtual kilometre point in the river
Place a point directly on the way
that represents the waterway and add the following:
waterway=milestone
distance=*
orriver:waterway_distance=*
– distance (in km);distance=*
is used much more frequently (approx. 10:1)
Optional seamark tags:
seamark:distance_mark:category=not_installed
– virtual river kilometreseamark:type=distance_mark
– OpenSeaMap/Distance_Marksseamark:distance_mark:distance=number
seamark:distance_mark:units=kilometres
Rendering on OpenSeaMap
The black circles are the milestones or the hectometre stone (hm1), the coloured circles are the virtual kilometre points.
See also
river:waterway_distance=*
– An object's position along a waterway. The distance is measured from the spring.- A more detailed system for navigational use is defined in the Openseamap: OpenSeaMap/Distance_Marks
seamark:type=distance_mark
seamark:distance_mark:distance=number
seamark:distance_mark:units=kilometres
Similar tags
For “modern” milestones:
For “historic” milestones:
Gallery
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Hundred-meter-mark at the river Rhine, near Karlsruhe/Germany
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Rheinkilometer 555 in St. Goarshausen
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Warta river waterway milestone near Poznań