Tag:waterway=fish_pass
 waterway =
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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. 
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| Group: waterways |
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| Status: de facto |
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The tag waterway= 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.
How to map
- Draw a way in the flow direction of the water and tag it with
waterway=. - For the additional waterbody, draw the area
and tag it with natural=water+water=fish_pass.