Grotte du PM 3548
A system of meandering shafts traversed by a small stream, cut in beige dolomitic limestones j8-9D, with an upstream and a downstream from the point of intersection by le tunnel.
EspeleoWorld
Grotte du PM 3548
A system of meandering shafts traversed by a small stream, cut in beige dolomitic limestones j8-9D, with an upstream and a downstream from the point of intersection by le tunnel.
Les Pennes-Mirabeau
Length: 100 m · Depth: 44 m
Updated record
https://espeleoworld.com/en/c/grotte-du-pm-3548-les-pennes-mirabeau
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
A system of meandering shafts traversed by a small stream, cut in beige dolomitic limestones j8-9D, with an upstream and a downstream from the point of intersection by le tunnel.
Description
Morphology
The cavity takes the form of a system of meandering shafts. It is cut in beige dolomitic limestones j8-9D. From the point of intersection by le tunnel there is an upstream and a downstream.
Hydrology
The cavity is traversed by a small stream (about 1 l/s from memory). In the downstream, a circular gallery inclined at 45° down which the stream descends.
Progression
The upstream begins with a 12-metre climb (with a cascade), followed by a long meander where progression is easy although at times narrow. Stop at the foot of an 8-metre cascade with a clearly visible meander start at its top at +24.
The downstream begins with a low aquatic crawlway (vm) 5 to 10 metres long, then a circular gallery inclined at 45° down which the stream descends. Very fine atmosphere. Stop at -20 at an occasional constriction that is easy to clear, with a continuation visible 1 metre behind.
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Contains information from Grottocenter (Wikicaves), grottocenter.org, made available under the Open Database License (ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/), modified. · https://grottocenter.org/ui/entrances/130 · The derived data is available on request under the ODbL: [email protected] · data as of 2026 · Source: Grottocenter (Association Wikicaves), worldwide collaborative cave database (grottocenter.org), modified. CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ Grottocenter (Wikicaves) · Text by Nathan (Description générale) · adapted by Espeleoworld (normalized, translated); the adaptation is licensed CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ · https://grottocenter.org/ui/entrances/130 · data as of 2026