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Public-images-osm logo.svg geological = volcanic_lava_tube
Valentine Cave.JPG
A naturally formed lava tunnel
Group: natural
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: in usePage for proposal

A lava tube is a natural conduit formed by flowing lava from a volcanic vent that moves beneath the hardened surface of a lava flow. If lava in the tube empties, it will leave a cave.

See also Lava tube on Wikipedia

How to map

Draw a way way of the lava tube, and add

See also

Features that occur in the context