Buca della Colonna di Forno
Neutral cavity in a vertical fissure in the Grezzoni, in Canale Regolo on the karst area of the Alpi Apuane, Natura 2000 site of Monte Sagro.
EspeleoWorld
Buca della Colonna di Forno
Neutral cavity in a vertical fissure in the Grezzoni, in Canale Regolo on the karst area of the Alpi Apuane, Natura 2000 site of Monte Sagro.
Massa
Length: 3700 m · Depth: 250 m
Updated record
https://espeleoworld.com/en/c/buca-della-colonna-di-forno-massa
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
Neutral cavity in a vertical fissure in the Grezzoni, in Canale Regolo on the karst area of the Alpi Apuane, Natura 2000 site of Monte Sagro.
Description
Morphology
Morphology: vertical fissure. Geology: Grezzoni.
Hydrology
Hydrology: neutral cavity.
Other details
The elevation differences refer to the actual elevations of the entrances.
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Source: Catasto online FST (Federazione Speleologica Toscana) (www.speleotoscana.it), modified. CC BY 4.0, https://creativecommons.org/licenses/by/4.0/ Federazione Speleologica Toscana (Catasto online FST) · Regione Toscana (Geoscopio) · data as of 2025