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Subterrenea Britannica

@subbrit.bsky.social

110 followers 9 following 140 posts

The UK society for studying man-made and man-used underground places. Discover mines, tunnels, nuclear bunkers, caves, military defences and more.

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Subterrenea Britannica @subbrit.bsky.social · Dec 15

As well as our society's activities, we focus our posts on news about man-made/used underground spaces in the UK and permitted exploration of them.
Our magazine, events, site visits and online forum have a wider scope, as benefits of membership.
Join to learn more at www.subbrit.org.uk/membership/

Middleton Mine with tiny figure showing vast scale of the chamber

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Subterrenea Britannica @subbrit.bsky.social · 28m

With much sadness, we announce the death of Martin Dixon on 15/10/2025, having had cancer for over 5 years. He was a long-time member, former chairman.
He & Linda enjoyed many happy times together, including organising numerous Sub Brit trips.
We'd love to hear your anecdotes & memories of Martin.

Bearded Martin, wearing a red helmet, smiling as he pokes his head up through a opening in an overgrown man made hole in the ground.

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Subterrenea Britannica @subbrit.bsky.social · 16d

Planning applications to Dover Council include proposals for removing defective concrete, reconstructing cappings, repairing the rampart and a new bridge to improve access - at #FortBurgoyne

Subterrenea Britannica @subbrit.bsky.social · 18d

On our website, there are few follies and artistic underground sites
A challenge to you:
* Write 1-3 paragraphs about a site that we can include (longer if you wish). Ideally add some photographs too
* Submit text/photos to [email protected]
www.subbrit.org.uk/categories/f...

Follies and Artistic – Subterranea Britannica

Subterranea Britannica is a society devoted to the study and investigation of man-made (including Nuclear Bunkers) and man-used underground places.

www.subbrit.org.uk

Subterrenea Britannica @subbrit.bsky.social · 18d

There are original features like door hinges and valves, while also new tube skylights through the 2m thick concrete ceiling for natural light.
Since completion it been on sale for about a year.

Ian McClellan @ianmac.bsky.social · 18d

www.bbc.com/news/article...

#Bunkers @subbrit.bsky.social

WW2 German bunker house conversion up for architecture award

The bunker built during the Occupation of the Channel Islands was turned into a three-bedroom house.

www.bbc.com

Subterrenea Britannica @subbrit.bsky.social · 18d

Descend beneath Russell Square for a talk in the atmospheric basement of the Horse Hospital.
The @miskatonicihs.bsky.social presents Antony Clayton, talking about a century of celluloid horror lurking beneath the capital.

ianVisits @ianvisits.co.uk · 21d

This train terminates here (and so might you): Horror on the Underground

www.ianvisits.co.uk/articles/thi...

This train terminates here (and so might you): Horror on the Underground

Next month, brave souls are invited to descend beneath Russell Square for a talk that proves the London Underground isn’t just a transport network -- it’s a vast subterranean horror franchise waiting ...

www.ianvisits.co.uk

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Subterrenea Britannica @subbrit.bsky.social · 23d

Thanks again to our friends at Wealden Cave and Mine Society for showing us around Godstone Mine.
For more like this Follow us and become one of our members www.subbrit.org.uk/membership/

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Subterrenea Britannica @subbrit.bsky.social · 24d

#Raigmore. Our site page: www.subbrit.org.uk/sites/invern...

I visited Inverness’s ‘top secret’ nuclear bunker and it felt like travelling back in time

The P&J joined a tour of the historic bunker, which was designated as an emergency centre if a nuclear attack took place.

www.pressandjournal.co.uk

Subterrenea Britannica @subbrit.bsky.social · 25d

This air raid shelter opened on 15 September 2025 in #BartonOnHumber www.bbc.co.uk/news/videos/...

Restored Barton WW2 bunker reopens for Heritage Open Days

The bunker, in Barton upon Humber, is open to visitors for the first time in five years.

www.bbc.co.uk

Subterrenea Britannica @subbrit.bsky.social · 26d

www.worthpoint.com/worthopedia/...

www.worthpoint.com

Subterrenea Britannica @subbrit.bsky.social · Sep 15

TOUR: A historian and the landowner invite you to visit this branch line and walk through the remaining open tunnel, as far as the site of Dunsford Halt. longdownvillage.com/events/longd... #Exeter #Devon

Longdown Railway Walk – longdownvillage.com

Opened in 1903, Longdown Railway Station was built as part of the Exeter Railway, itself an extension of the earlier Teign Valley Railway Line.

longdownvillage.com

Subterrenea Britannica @subbrit.bsky.social · Sep 7

Job opportunity in the old Kingsway exchange, and future London Tunnels tourist attraction.
The Military Intelligence Museum is looking for a new curator.
Get the job specification on their homepage: www.militaryintelligencemuseum.org
Deadline 19th September

Home | Mil Intel Museum

www.militaryintelligencemuseum.org

Subterrenea Britannica @subbrit.bsky.social · Sep 2

Hallen ROC post is for sale.
Our site page www.subbrit.org.uk/sites/hallen...
www.rightmove.co.uk/properties/1...

Check out this Property for sale on Rightmove

Property for sale in Berwick Lane, Hallen, Bristol, BS10 for £20,000. Marketed by David Plaister Ltd, Auctions

www.rightmove.co.uk

Subterrenea Britannica @subbrit.bsky.social · Sep 2

Issue 69 of Subterranea, our members' magazine, is now in the postal system and should be coming through your letterbox in the next few days.
Tell us what you think of it.
Pass it on to a potential member when read!

Front cover of Subterranea 69, The magazine of Subterranea Britannica.

Reposted by Subterrenea Britannica

ianVisits @ianvisits.co.uk · Aug 27

Engineers working on HS2’s west London tunnels spent their Bank Holiday lifting the last of four giant tunnelling machines out of the tunnel it had just dug.

www.ianvisits.co.uk/articles/hs2...

HS2’s final Northolt Tunnel boring machine lifted from West London shaft

Engineers working on HS2’s west London tunnels spent their Bank Holiday lifting the last of four giant tunnelling machines out of the tunnel it had just dug.

www.ianvisits.co.uk

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Reposted by Subterrenea Britannica

Hidden Earth @hiddenearth.bsky.social · Aug 29

Caving in the Abode of the Clouds, Meghalaya 2025: Discovering new passages and exploring the stunning river cave, Lungchung Khur. With 574km explored since '92, come along for the tales of exploration. #Meghalaya #Caving #HiddenEarth

hidden.earth/session/1267

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Reposted by Subterrenea Britannica

ianVisits @ianvisits.co.uk · Aug 29

As part of a local festival, the Georgian-era church in the centre of Wanstead will open its underground crypt for public tours.

www.ianvisits.co.uk/articles/tic...

Tickets Alert: Crypt tours of St Mary’s church Wanstead

As part of a local festival, the Georgian-era church in the centre of Wanstead will open its underground crypt for public tours.

www.ianvisits.co.uk

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Subterrenea Britannica @subbrit.bsky.social · Aug 27

TALK: Ian Swankie's plots the early development of the Underground, examines the legacy of Frank Pick and Charles Holden, looks at some of the iconic posters and celebrates the architecture of the Jubilee Line Extension and Elizabeth Line stations.

Underground Cathedrals - but 'Mind the Gap'

The world's first underground railway has a unique heritage of architecture, ingenious design, powerful advertising posters and unique calligraphy.

www.heritageopendays.org.uk

Subterrenea Britannica @subbrit.bsky.social · Aug 27

Neil successfully completed the rubber duck rescue challenge during our visit to Godstone Mine.
Guided by Wealden Cave and Mine Society

Subterrenea Britannica @subbrit.bsky.social · Aug 26

Documentary to explore Ipswich's Clifford Road air raid shelter

There are three tunnels under a primary school playground, which were constructed in 1939.

www.bbc.co.uk

Reposted by Subterrenea Britannica

Longtail News @longtail.news · Aug 25

Feed: "Armagh I"
By: Padraig Corrigan on Monday, August 25, 2025

Fifteen feet underground: Inside the Portadown nuclear bunker transformed into a museum

The room is small; yet practical. There is just enough space for a bunk bed, table, cabinet, and two chairs. The walls are adorned with…

armaghi.com

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Subterrenea Britannica @subbrit.bsky.social · Aug 26

We had an excellent trip to Godstone Mine guided by Wealden Cave and Mine Society.
Thanks to them.
For more like this Follow us and become one of our members.
www.subbrit.org.uk/membership/

Subterrenea Britannica @subbrit.bsky.social · Aug 26

Heritage Open Days: #NunheadCemetery chapel and crypt
www.heritageopendays.org.uk/submission-e...

Nunhead Cemetery

Chapel and crypt visits provide a rare opportunity to learn more about the Anglican chapel and the crypt beneath. There will also be general cemetery tours on both days. Homemade refreshments will be…

www.heritageopendays.org.uk

Subterrenea Britannica @subbrit.bsky.social · Aug 26

VISIT: We’re going to Ramsgate Tunnels on 31 August. 2 options
A) 3-hour specially extended tour of surface features and tunnel entrances entering down a 2 .5m ladder.
B) 2-hour underground tour 0.78 miles broadly flat.
To come along become a member
www.subbrit.org.uk/membership/

Membership – Subterranea Britannica

Subterranea Britannica is a society devoted to the study and investigation of man-made (including Nuclear Bunkers) and man-used underground places.

www.subbrit.org.uk

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Subterrenea Britannica @subbrit.bsky.social · Aug 25

Heritage Open Day: St Alfege Church, Greenwich Church Street, London, Greater London, SE10 9BJ
www.heritageopendays.org.uk/submission-e...

Crypt Open Day

Peer into the crypt's vaults and imagine how these would have looked 200 years ago.

www.heritageopendays.org.uk

Subterrenea Britannica @subbrit.bsky.social · Aug 25

Heritage Open Days: #Greenham www.heritageopendays.org.uk/submission-e...

Decontamination Suite, Greenham Air Base

A rare opportunity to gain access to the Decontamination Suite that formed part of the Cold War US Airbase at Greenham Common with guided tours through the facility explaining the history of the…