Tag:sinkhole=bluehole

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Public-images-osm logo.svg sinkhole = bluehole
Great Blue Hole.jpg
Description
A vertical, underwater sinkhole, named after the deep blue color they mainly show. Edit or translate this description.
Group: Natural
Used on these elements
may be used on nodesshould not be used on waysmay be used on areasshould not be used on relations
Requires

natural=sinkhole

Useful combination
Wikidata
Status: approvedPage for proposal

A bluehole is a vertical, underwater sinkhole, named after the deep blue color they mainly show. It is typically an area outside natural=coastline, but can be a node if too small to be mapped as an area.

When used on an area, this does not need to be an inner polygon in a multipolygon relation, or otherwise disconnected or excluded of the surrounding waters, as it is included in them, owing to its nature.

Example

The Great Blue Hole, a bluehole in Belize, would be an area tagged this way:

natural=sinkhole
sinkhole=bluehole
name=Great Blue Hole
depth=124

See also