Tana del Rio

Inactive sinkhole filled with debris on the eastern slope of the gypsum outcrop that overlooks the Idice stream.

San Lazzaro di Savena 7m 0.8m

Inactive sinkhole filled with debris on the eastern slope of the gypsum outcrop that overlooks the Idice stream.

Characteristics

• Type: Cave
• Municipality: San Lazzaro di Savena
• Cadastre no.: BO 740
• Length: 7 meters
• Depth: 0.8 meters
• Record updated: November 4, 2026

Location

The entrance is located on the eastern slope of the gypsum outcrop that overlooks the Idice stream. A little below and in a S-SE direction, the entrance of a very small resurgence cave opens.

Map

Entrances

Always verify coordinates and access conditions before setting out.

1. Tana del Rio

   Elevation: 165 m

   44.426762, 11.421710
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Topographic

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© Gruppo Speleologico Bolognese · CC BY-NC-SA 2.5 IT, https://creativecommons.org/licenses/by-nc-sa/2.5/it/ · Federazione Speleologica dell'Emilia-Romagna, http://www.fsrer.it · https://geo.regione.emilia-romagna.it/schede/speleo/index.jsp?id=740

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Photos

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© Gruppo Speleologico Bolognese · CC BY-NC-SA 2.5 IT, https://creativecommons.org/licenses/by-nc-sa/2.5/it/ · Federazione Speleologica dell'Emilia-Romagna, http://www.fsrer.it · https://geo.regione.emilia-romagna.it/schede/speleo/index.jsp?id=740

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Description

Morphology

Inactive sinkhole filled with debris.

Hydrology

Water flows seasonally from the very small resurgence cave located a little below and in a S-SE direction.

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Source: Catasto delle cavità naturali dell'Emilia-Romagna (Regione Emilia-Romagna, Federazione Speleologica Regionale dell'Emilia-Romagna) (servizigis.regione.emilia-romagna.it), modified. CC BY 4.0, https://creativecommons.org/licenses/by/4.0/ Regione Emilia-Romagna, Catasto delle cavità naturali dell'Emilia-Romagna, Federazione Speleologica Regionale dell'Emilia-Romagna (FSRER) e i gruppi speleologici autori dei rilievi · data as of 2018 · Source: Catasto delle cavità naturali dell'Emilia-Romagna (Regione Emilia-Romagna, Federazione Speleologica Regionale dell'Emilia-Romagna) (servizigis.regione.emilia-romagna.it), modified. CC BY-NC-SA 2.5 IT, https://creativecommons.org/licenses/by-nc-sa/2.5/it/ Federazione Speleologica dell'Emilia-Romagna, http://www.fsrer.it · Regione Emilia-Romagna, Catasto delle cavità naturali dell'Emilia-Romagna, e i gruppi speleologici autori dei rilievi · data as of 2018