please empty your brain below
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What's the lowest you've ever been below ground level?
(could be a mine, cave or tunnel)
(if you don't know, don't tell us)
diamond geezer | Homepage | 28.01.21 - 12:00 a.m. | #
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135 m, The Wieliczka Salt Mine, Krakow.
JonF | 28.01.21 - 7:14 a.m. | #
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105m, Arsenalna Metro Station, Kyiv
MO | 28.01.21 - 7:19 a.m. | #
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About 2150 metres in the Simplon Tunnel between Switzerland and Italy.
ROBERT Butlin | 28.01.21 - 7:27 a.m. | #
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Rhondda valley Big Pit museum tour, 90 metres deep.
Putters | 28.01.21 - 7:31 a.m. | #
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2,218 metres in the Mont Blanc tunnel, under Pointe Lachenal.
Steve | 28.01.21 - 7:45 a.m. | #
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Mont Blanc Tunnel as well - though Wikipedia says it is "2,480 metres (8,140 ft) beneath the surface" as it passed under the Aiguille du Midi.
Greg | 28.01.21 - 7:50 a.m. | #
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Another vote for Arsenalna Metro Station, Kyiv.
Martin | 28.01.21 - 7:54 a.m. | #
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Salt cathedral in Zipaquirá, Colombia - 180m below ground level and 2470m above sea level.
Alan | 28.01.21 - 7:59 a.m. | #
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About 700 metres down the Cassidy shaft of MT Charlotte mine in Kalgoorlie, West Australia with my brother-in-law who worked there.
Didn't stay long....
Milo | 28.01.21 - 8:03 a.m. | #
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Bertsgarten Salt Mine, Salzberg 130 metres
Sara | 28.01.21 - 8:26 a.m. | #
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2450 metres! On a triangular work trip from London to Milan to Zurich and back, disappointingly I didn't really notice this at the time, just needed to get from meeting A to meeting B.
TomH | 28.01.21 - 8:29 a.m. | #
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Burnley Tunnel in a car at 65 metres.
Andrew | Homepage | 28.01.21 - 8:38 a.m. | #
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Gotthard Base Tunnel, 2450m under the mountain
Jimbo | 28.01.21 - 8:40 a.m. | #
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3,600 metres from surface. The bottom of Western Deep Levels No.3 shaft in South Africa, now called Tau Tona. It's a bit deeper now - 3,900 metres from surface.
Martin P | 28.01.21 - 8:45 a.m. | #
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I think 135m in Wieliczka Salt Mine near Krakow.
Mark | 28.01.21 - 8:46 a.m. | #
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Probably Pushkinskaya metro station in St Petersburg - 57m
Amanda | 28.01.21 - 9:08 a.m. | #
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the descent at Samariá Gorge, Crete, where I was mighty glad to reach terra firma ... apparently 'you start at an altitude of 1230m.'
PJS | 28.01.21 - 9:10 a.m. | #
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Also the Simplon Tunnel.
Man of Kent | 28.01.21 - 9:15 a.m. | #
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CERN accelerator hall, Geneva . 100m
Bernard | 28.01.21 - 9:18 a.m. | #
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I'm not sure how precisely they calculated the 2480m below ground level for the Mont Blanc Tunnel, as referenced on Wikipedia. But that would be my answer.
James | 28.01.21 - 9:22 a.m. | #
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Same as Mark and JonF
Wieliczka Salt Mine.
Friar Sven | 28.01.21 - 9:24 a.m. | #
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Probably the Savile colliery at Methley near Leeds, on a trip while I was a student at Leeds University in, I think, 1970. I don't know how deep that one is, but the nearby Lofthouse colliery was 230m below ground level and I imagine worked the same seam.
Methley is 18m above sea level, so I'd guess I went to 210m below sea level.
AlanBG | 28.01.21 - 9:26 a.m. | #
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c. 2,300m at the Gothard Pass rail tunnel, it looks like.
James | 28.01.21 - 9:26 a.m. | #
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Channel Tunnel, probably. That's deeper than Wookey Hole...
Wole | 28.01.21 - 9:27 a.m. | #
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239m. Turbine Hall, Manapōuri hydro power station, NZ
Nameless 14 | 28.01.21 - 9:38 a.m. | #
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Mont Blanc road tunnel, probably directly below my highest point.
Malcolm of Kent | 28.01.21 - 9:47 a.m. | #
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Halstatt salt mine in Austria - apparently 400m below ground. But that's probably beaten by the Arlberg rail tunnel - I can't find a depth for it, but Mr Wiki says the neighbouring road tunnel is about 850m below the ground at its deepest point.
timbo | 28.01.21 - 9:53 a.m. | #
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I think probably the Standedge railway tunnel, assuming that's around the same depth as the canal one (I can't find a figure anywhere).
Alex | 28.01.21 - 9:53 a.m. | #
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Another one for the Gotthard Base Tunnel
Pinnerite | 28.01.21 - 10:19 a.m. | #
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Prob the Gotthard Street Tunnel at 1175m.
But the Samson silver mine at 190m (visitor level, it goes 840m deep) was more interesting.
commonliner | 28.01.21 - 10:22 a.m. | #
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Mont Blanc tunnel (as above)
Novaelius | 28.01.21 - 10:27 a.m. | #
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Probably the Channel Tunnel as well.
Dave B | 28.01.21 - 10:29 a.m. | #
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Probably the Arlberg Tunnel in Austria, c850m
timbo | 28.01.21 - 10:38 a.m. | #
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Mont Blanc tunnel.
2480 m below ground level.
the other eric | 28.01.21 - 10:59 a.m. | #
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Simplon Tunnel (-2150m)
Mikey C | 28.01.21 - 11:28 a.m. | #
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From memory the deepest I’ve been is White Scar Caves (70m below ground level). Couldn’t find how deep Zip World Caverns is so it could well be there.
Luke M | 28.01.21 - 11:33 a.m. | #
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Approx 2150 metres, Simplon Tunnel between Switzerland and Italy beneath the Alps.
JonathanC | 28.01.21 - 11:59 a.m. | #
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I worked at Manton Colliery The depth of the shart was 998 mtrs deep The colliery is no longer there but the site is 43mtrs above sea level so 955 mtrs below sea level
DavidH | 28.01.21 - 12:23 p.m. | #
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Totley Tunnel at 200m. As I spent three years commuting through it it's boringly mundane that that's my answer
Anders | 28.01.21 - 12:23 p.m. | #
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Mont Blanc Tunnel
Mike | 28.01.21 - 12:45 p.m. | #
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660 metres below ground level. Keresley Colliery, Coventry. This was a Sixth Form trip from Enfield Grammar School in the early 1960's.
GB | Homepage | 28.01.21 - 1:18 p.m. | #
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Simplon Rail Tunnel (2150m) - in a car, with all windows open for the full 'in a dark scary tunnel' experience.
2d53 | Homepage | 28.01.21 - 1:35 p.m. | #
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Cowburn Tunnel, Edale (277m)
diamond geezer | Homepage | 28.01.21 - 1:49 p.m. | #
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Simplon Rail Tunnel for me too
miker | 28.01.21 - 1:58 p.m. | #
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The one I can definitely say is the Channel Tunnel.
But possibly a little deeper on the St Petersburg Metro or Moscow Metros.
Andrew Bowden | Homepage | 28.01.21 - 2:15 p.m. | #
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Cowburn Tunnel, then. Unsure how safe I feel 277m under the earth in a Pacer but then not sure a 158 would give superior protection from the worst either!..
Nico Hogg | 28.01.21 - 2:16 p.m. | #
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I've been down two now-closed coal mines, one near Fauldhouse in West Lothian and the other was Monktonhall in Midlothian. Monktonhall's main shafts were 920 and 930m deep from ground level, and ground level would be around 50m above sea level.
Peter | 28.01.21 - 2:35 p.m. | #
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Has to be the gothard rail tunnel c. 2,300m as someone above said
Thorum | 28.01.21 - 3:40 p.m. | #
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2150m
Simplon Tunnel
PeterB | 28.01.21 - 4:32 p.m. | #
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135 m - Wieliczka Salt Mine, Krakow
ChrisW | 28.01.21 - 4:54 p.m. | #
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Mont Blanc tunnel, back in the rough old days before it had the catastrophic fire, got rebuilt, and became breathtakingly expensive to travel through...
David C | Homepage | 28.01.21 - 5:12 p.m. | #
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Another Mont Blanc Tunnel here...
Pete_LL | 28.01.21 - 6:54 p.m. | #
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Mont Blanc tunnel on a rail replacement bus from Milan to Paris.
Sprout Eater | 28.01.21 - 8:58 p.m. | #
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Possibly the Fourth Infiltration Tunnel, in the Korean DMZ, at 145m below ground level.
martin | 28.01.21 - 9:02 p.m. | #
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martin - you class act, that takes some beating, not for depth but for location!
MO | 28.01.21 - 10:32 p.m. | #
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Gotthard Base Tunnel +1
Mo | 28.01.21 - 10:41 p.m. | #
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Piggy-backing others’ analysis, mine’s the Simplon rail tunnel.
Robert | 29.01.21 - 3:26 a.m. | #
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The Gotthard tunnel (the 1882 original rail one)
James | 29.01.21 - 6:57 a.m. | #
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Went down the Big Pit coal mine museum in Wales when I was a kid, that is 90m below ground level.
When I went on the Shinkansen between Tokyo and Kyoto and then Kyoto and Hiroshima there were a number of long tunnels, can't find how deep they were though.
Neil | 29.01.21 - 9:45 a.m. | #
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2,480m (allegedly) The Mont Blanc Tunnel.
Note the Big Pit (been down) is in Blaenavon not the Rhondda, where the mine shaft is 'virtual' and you just pretend to go underground in the lift (big disappointment there).
Ken | 29.01.21 - 11:54 a.m. | #
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Most likely the "new" Sasako Tunnel, around 600m lower than the pass. I can't find an actual figure for its depth though.
Lmm | 29.01.21 - 2:44 p.m. | #
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