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Grotta Impossibile

Trieste 5609m 275m

EspeleoWorld

Grotta Impossibile

Trieste

Length: 5609 m · Depth: 275 m

Updated record

https://espeleoworld.com/en/c/grotta-impossibile-trieste

Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.

Shaft in Trieste (Trieste). Length 5,609 m. Depth 275 m. No. 91 by depth among the caves in Italy in the EspeleoWorld catalogue. No. 11 by length among the caves in Italy in the EspeleoWorld catalogue. Known entrances: 3. Entrance altitude 368 m.

Characteristics

  • Type: Pothole
  • Municipality: Trieste
  • Cadastre no.: 6800
  • Length: 5609 meters
  • Depth: 275 meters
  • Record updated:

Location

Map

Entrances

Always verify coordinates and access conditions before setting out.

  1. Ingresso 1

    Elevation: 368 m

    45.637087, 13.846480
    Open in map Open in Google Maps

  2. Ingresso 2

    Elevation: 275 m

    45.636531, 13.843559
    Open in map Open in Google Maps

  3. Ingresso 3

    Elevation: 371 m

    45.638567, 13.846110
    Open in map Open in Google Maps
Download all entrances as GPX

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Source: Catasto Speleologico Regionale del Friuli Venezia Giulia (Regione Autonoma Friuli Venezia Giulia, Servizio geologico) (catastogrotte.regione.fvg.it), modified. IODL 2.0, https://www.dati.gov.it/content/italian-open-data-license-v20 Regione Autonoma Friuli Venezia Giulia, Servizio geologico, Catasto Speleologico Regionale, e gli Autori dei rilievi · https://catastogrotte.regione.fvg.it/scheda/6800-Grotta_Impossibile · data as of 2026