OSM tag name=Undertow matches Undertow in these Wikidata fields:
| Operating roller coasters | attraction=roller_coaster, tourism=attraction |
| Roller coasters in California | attraction=roller_coaster, tourism=attraction |
| Roller coasters manufactured by Maurer AG | attraction=roller_coaster, tourism=attraction |
| Spinning roller coasters | attraction=roller_coaster, tourism=attraction |
| Steel roller coasters | attraction=roller_coaster, tourism=attraction |