Statements (21)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:cave | 
| gptkbp:connectedCaves | Grotte Annette Grotte du Guiers Mort Puits Francis Trou du Glaz | 
| gptkbp:discoveredBy | gptkb:19th_century | 
| gptkbp:entranceElevation | around 1800 meters | 
| gptkbp:explores | French cavers | 
| gptkbp:geology | gptkb:limestone | 
| gptkbp:knownFor | complex network of passages deep vertical shafts | 
| gptkbp:length | over 50 kilometers | 
| gptkbp:locatedIn | gptkb:France gptkb:Isère gptkb:Chartreuse_Mountains | 
| gptkbp:maximumDepth | over 700 meters | 
| gptkbp:namedAfter | gptkb:Grand_Som | 
| gptkbp:notableFeature | one of the deepest cave systems in France | 
| gptkbp:bfsParent | gptkb:Grand_Som | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | Grand Som cave system |