|It has been proposed that this page or section be merged with Key:natural. (Discuss)|
|Feature : Natural|
|Used to describes natural physical land features, including ones that have been modified by humans.|
The natural tag is used to describes wide variety of different physical features, which are often classified by the professional community into different categories. This article provides a summary of the broadest description of what features could be considered to be 'natural' within the context of a more detail classification system.
- See also Conservation
Vegetation or physical surface of the earth
natural=bare_rock, natural=fell, natural=glacier, natural=grassland, natural=heath, natural=mud, natural=scree, natural=sand, natural=scrub, natural=shingle,natural=tree, natural=wetland, natural=wood.
- See also: Geological
To describe the earth and significant geological features, as distinct from landcover. natural=bay, natural=beach, natural=cave_entrance, natural=cliff, natural=coastline, natural=peak, natural=volcano, natural=stone, geological=outcrop, waterway=stream, natural=water, waterway=waterfall, natural=wetland, landuse=salt_pond.
Many of the above features are areas and can either be created as a closed way or as a multipolygon, other such as rivers and streams are linear features and mapped as wayss and then there are the node features (such as trees). Some features, such as camp-sites, can be nodes of areas; others, including hedges, can be nodes or areas.
Where two area features meet (eg a where an area of grass area ends at a road) this can be done three ways: 1) the area uses new nodes close to the road. This is a commonly used and easy approach, but is not so accurate. Another approach, which is more accurate. is to use a enclosed way and have it share a line of nodes with the road. The best approach for large areas is to create a multipolygon from the ways that make up the edges of the feature, having split the ways that will make up the ways at an appropriate point.
Please avoid use of:
- natural=land: Use an appropriate other tag to describe the use to which the land has been put. See also: Relations/Multipolygon and natural=coastline.
- natural=marsh: Use natural=wetland instead with wetland=* providing more detail.