250px|thumb|right|Tuffite from Hohentwiel 250px|thumb|right|Phonolite from Hohentwiel 250px|thumb|right|Natrolite from Hohentwiel (Type locality)
via Wikipedia infobox
250px|thumb|right|Tuffite from Hohentwiel 250px|thumb|right|Phonolite from Hohentwiel 250px|thumb|right|Natrolite from Hohentwiel (Type locality)
Hohentwiel () is a mountain of volcanic origin in the Hegau region of Baden-Württemberg in southern Germany. It is the Hausberg of the industrial city of Singen, located west of it and ca west of Zeller See (Lake Constance). The ruins of the medieval Hohentwiel Castle rest on top of it.
2 mapped locations
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).