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Available languages — Tag:man_made=pier
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Public-images-osm logo.svg man_made = pier
A raised walkway over water, supported by widely spread piles or pillars.
Used on these elements
should not be used on nodesmay be used on waysmay be used on areasuse on relations unspecified
Useful combination
Status: In use

The man_made=pier tag is used for a raised walkway over water supported by pillars made of metal/wood, or floating and secured using chains (see wikipedia:Pier). Also referred to in some places as a 'jetty', 'raft' or 'dock'. The definition of "pier", according to the International Hydrographic Organization, is "a long, narrow structure extending into the water to afford a berthing place for vessels, to serve as a promenade, etc."[1]

Piers can range in scale from very light structures providing a small pedestrian walkway, through to large solid structures with fixed piles extending over a mile out to sea.

Use man_made=breakwater for a solid structure designed to protect a harbour from waves and man_made=groyne for one designed to protect the shore from long-shore drift.

How to map

Most piers can be mapped as an open way tagged with man_made=pier for the length of the pier. Wider piers should be tagged as an area. The shore end of the pier should be terminated on a node shared with the coastline or the riverbank and should not extend onto shore. Use shared nodes where piers connect to other piers over the water.

For piers with a name use name=*. If the pier is used for mooring boats then add mooring=yes and optionally access=*. For floating rafts, tag with man_made=pier and floating=yes.

Lastly, connect the pier with other ways on land, otherwise it will result in a "island" that can't be used for routing. Create a highway=footway (or similar) from the pier's last node on land to nearby roads or other pedestrian ways as needed until it is connected to the main road/pedestrian network.


See also


  1. International Hydrographic Organization, IHO Dictionary, S-32, 5th Edition