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Public-images-osm logo.svg waterway = fish_pass
Fischtreppe Isar bei Pullach.jpg
A fish pass, also known as a fish ladder, a fishway or fish steps, is a structure on or around artificial barriers (such as dams and locks) to facilitate diadromous fishes natural migration. Show/edit corresponding data item.
Group: waterways
Used on these elements
should not be used on nodesmay be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Useful combination
Status: de facto

The tag waterway=fish_pass describes a way circumventing a water barrier like a waterway=waterfall, waterway=weir or waterway=dam to facilitate diadromous fishes natural migration. Sometimes a fish pass is close to or common with a waterway=canoe_pass.

See also Fish ladder on Wikipedia.

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