Grand aven du Mont Marcou
A network of shafts reaching -345 m, where a stream leads to the Grand Cèdre shaft and to a chaos of blocks.
EspeleoWorld
Grand aven du Mont Marcou
A network of shafts reaching -345 m, where a stream leads to the Grand Cèdre shaft and to a chaos of blocks.
Saint-Geniès-de-Varensal
长度: 3500 m · 深度: 345 m
最新资料
https://espeleoworld.com/zh/c/grand-aven-du-mont-marcou-saint-genies-de-varensal
信息可能会变化。出发前请务必核对坐标、通行情况、天气和洞穴状况。
A network of shafts reaching -345 m, where a stream leads to the Grand Cèdre shaft and to a chaos of blocks.
描述
形态
The network consists of a succession of shafts that can be watered after rain, leading to the DE JOLY chamber at -65. The continuation at the bottom of this chamber can be obstructed by sediment after heavy weather. The descent of the Grand Cèdre shaft is done in free hanging. One lands on a huge chaos of blocks. A continuation in a joint against the wall is being dug open (2010), with a strong draught.
水文
A stream interspersed with a R5 and a P6 leads to the start of the famous Grand Cèdre shaft. The descent of this P146 is sheltered from the stream, which sinks a little before, except in flood.
行进路线
The network descends to -345 m. For the ascent, bring a survival blanket to make a tortoise so as not to get too cold while waiting.
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附近洞穴
包含来自 Grottocenter (Wikicaves)（grottocenter.org）的信息，依据开放数据库许可协议（Open Database License，ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/）提供，已修改。 · https://grottocenter.org/ui/entrances/2067 · 衍生数据可应要求依据 ODbL 提供： [email protected] · 2026年数据 · 来源：Grottocenter (Association Wikicaves), worldwide collaborative cave database（grottocenter.org），已修改。 CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ Grottocenter (Wikicaves) · 文本作者：Nathan (Réseau des puits jusqu'à -345 m.) · 由 Espeleoworld 改编（规范化、翻译）；改编内容依据 CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ 许可 · https://grottocenter.org/ui/entrances/2067 · 2026年数据