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Subterrenea Britannica @subbrit.bsky.social · 12/10/2026

We'd love fuller historical information about underground sites - those currently on our website and any that are not. If you can provide it (without extensive copying), please get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 05/10/2026

Some stuff about underground places on our web pages is getting old! Please send us your newer photos and details about their condition and status, using the 'Submit an update' on every site page.

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Subterrenea Britannica @subbrit.bsky.social · 28/09/2026

For there to be more visits to underground sites, there needs to be more people organising them. Get in touch if you can help.

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Subterrenea Britannica @subbrit.bsky.social · 21/09/2026

We have informal 'Sub Pub' meet ups for members in London. To join them, or hold your own elsewhere get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 14/09/2026

To get our magazine, events, site visits and online forum, become one of our members at www.subbrit.org.uk/membership

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Subterrenea Britannica @subbrit.bsky.social · 07/09/2026

There are lots of great underground sites for the public to explore. Check them out on our website www.subbrit.org.uk/categories/place…

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Subterrenea Britannica @subbrit.bsky.social · 31/08/2026

We'd love fuller historical information about underground sites - those currently on our website and any that are not. If you can provide it (without extensive copying), please get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 24/08/2026

Some stuff about underground places on our web pages is getting old! Please send us your newer photos and details about their condition and status, using the 'Submit an update' on every site page.

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Subterrenea Britannica @subbrit.bsky.social · 17/08/2026

For there to be more visits to underground sites, there needs to be more people organising them. Get in touch if you can help.

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Subterrenea Britannica @subbrit.bsky.social · 14/08/2026

We're visiting mining related sites in Kent this Saturday. If you spot us, come say hello if you'd like to learn more about our underground society eastkentrailway.co.uk elvingtonandeythorneheritage.org.uk www.kentminingmuseum.co.uk #SubbritEvents

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Subterrenea Britannica @subbrit.bsky.social · 10/08/2026

We have informal 'Sub Pub' meet ups for members in London. To join them, or hold your own elsewhere get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 03/08/2026

To get our magazine, events, site visits and online forum, become one of our members at www.subbrit.org.uk/membership

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Subterrenea Britannica @subbrit.bsky.social · 27/07/2026

There are lots of great underground sites for the public to explore. Check them out on our website www.subbrit.org.uk/categories/place…

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Subterrenea Britannica @subbrit.bsky.social · 24/07/2026

VISIT: East Kent Railway Tunnel, military command post & Kent Mining Museum Saturday 15 August 2026 Full day exploring 3 linked sites tracing the story of the Kent coalfield/.. To come, join as a member then sign up at www.subbrit.org.uk/events/

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Subterrenea Britannica @subbrit.bsky.social · 20/07/2026

We'd love fuller historical information about underground sites - those currently on our website and any that are not. If you can provide it (without extensive copying), please get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 13/07/2026

Some stuff about underground places on our web pages is getting old! Please send us your newer photos and details about their condition and status, using the 'Submit an update' on every site page.

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Subterrenea Britannica @subbrit.bsky.social · 06/07/2026

For there to be more visits to underground sites, there needs to be more people organising them. Get in touch if you can help.

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Subterrenea Britannica @subbrit.bsky.social · 29/06/2026

We have informal 'Sub Pub' meet ups for members in London. To join them, or hold your own elsewhere get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 22/06/2026

To get our magazine, events, site visits and online forum, become one of our members at www.subbrit.org.uk/membership

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Subterrenea Britannica @subbrit.bsky.social · 15/06/2026

There are lots of great underground sites for the public to explore. Check them out on our website www.subbrit.org.uk/categories/place…

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Subterrenea Britannica @subbrit.bsky.social · 08/06/2026

We'd love fuller historical information about underground sites - those currently on our website and any that are not. If you can provide it (without extensive copying), please get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 02/06/2026

🗓️Save the date: 10 April 2027 @ Subterranea Britannica Annual General Meeting and Conference Canada Water Theatre 🎭 Speakers to be announced.

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Subterrenea Britannica @subbrit.bsky.social · 01/06/2026

VISIT: Fort Widley near Portsmouth Napoleonic fort and subsequent civil defence bunker. An exclusive 3 hour tour for just 12 of our members. Expert Sarah Benson will guide you on the history, architecture and hidden stories of this extraordinary Victorian fortification. www.subbrit.org.uk/events/

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Subterrenea Britannica @subbrit.bsky.social · 01/06/2026

Some stuff about underground places on our web pages is getting old! Please send us your newer photos and details about their condition and status, using the 'Submit an update' on every site page.

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Subterrenea Britannica @subbrit.bsky.social · 25/05/2026

For there to be more visits to underground sites, there needs to be more people organising them. Get in touch if you can help.

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Subterrenea Britannica @subbrit.bsky.social · 18/05/2026

We have informal 'Sub Pub' meet ups for members in London. To join them, or hold your own elsewhere get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 11/05/2026

To get our magazine, events, site visits and online forum, become one of our members at www.subbrit.org.uk/membership

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Subterrenea Britannica @subbrit.bsky.social · 04/05/2026

There are lots of great underground sites for the public to explore. Check them out on our website www.subbrit.org.uk/categories/place…

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Subterrenea Britannica @subbrit.bsky.social · 29/04/2026

VISIT: Dudley Canal Tunnel & Mine Saturday 4 July Special expedition combining a 2-tunnel boat journey with access to the cavern system not offered on standard public trips by @dcttrips.bsky.social You'll need to become one of our members if not already Sign up at f.mtr.cool/llsahuloth

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Subterrenea Britannica @subbrit.bsky.social · 27/04/2026

VISIT: Fort Purbrook, Portsmouth Members evening with Sarah Benson. Discover the site's rich history — from construction as part of Palmerston's coastal defences, to the present day. To come, you'll need to become one of our members if not already. Sign up at f.mtr.cool/hgfmlnxhvp

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Subterrenea Britannica @subbrit.bsky.social · 27/04/2026

We'd love fuller historical information about underground sites - those currently on our website and any that are not. If you can provide it (without extensive copying), please get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 20/04/2026

Some stuff about underground places on our web pages is getting old! Please send us your newer photos and details about their condition and status, using the 'Submit an update' on every site page.

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Subterrenea Britannica @subbrit.bsky.social · 13/04/2026

Roy showed us wonderful new photos and told us of the state of the WWII deep shelters in London. Always a favourite topic to our members at #subbritevents like this, our 2026 conference.

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Subterrenea Britannica @subbrit.bsky.social · 13/04/2026

For there to be more visits to underground sites, there needs to be more people organising them. Get in touch if you can help.

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Subterrenea Britannica @subbrit.bsky.social · 12/04/2026

Our Conference host Phil @TunnelInspector reflects on his presentation this year about @HeroRats and why you should come to our future events for more on human underground activities.

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Subterrenea Britannica @subbrit.bsky.social · 11/04/2026

Our final conference talk is Charles Hardman from Subterranean Spaces Global @subterraneanspaces who build modern undergrond bunkers with NBC or blast or security options.

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Subterrenea Britannica @subbrit.bsky.social · 11/04/2026

Member Roger spoke about a visit to Saint Gobain gypsum mine after a NAMHO conference. #SubbritEvents

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Subterrenea Britannica @subbrit.bsky.social · 11/04/2026

Roy showed us wonderful new photos and told us of the state of the WWII deep shelters in London. Always a favourite topic to our members at #subbritevents like todays conference.

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Subterrenea Britannica @subbrit.bsky.social · 11/04/2026

We heard about the remarkable @HeroRats well trained by APOPO to find people trapped underground or in collapased buildings. We will be making a donation to the charity based in Tanzania as recommend by their latest fan and impromptu speaker at todays #subbritevents Phil @Tunnelinspector

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Subterrenea Britannica @subbrit.bsky.social · 11/04/2026

Lunchtime at todays #SubbritEvent. Time to chat about all things subterranean with fellow enthusiasts.

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Subterrenea Britannica @subbrit.bsky.social · 11/04/2026

Anthea Kerins gives us a fascinatingly detailed and illustrated account of stories about Tunnel 57 & other escape tunnels under the Berlin Wall. Athena is from Berliner Unterwelten @berliner_unterwelten_ev. We throughly recommend their site tours.

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Subterrenea Britannica @subbrit.bsky.social · 11/04/2026

Our members just voted to become a charitable incorporated organisation instead of a limited company at an extraordinary general meeting! Great progress.

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Subterrenea Britannica @subbrit.bsky.social · 11/04/2026

Our chair Tim Welburn ran our annual general meeting. We heard annual reports and memebers elected committee members. #SubbritEvents

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Subterrenea Britannica @subbrit.bsky.social · 11/04/2026

We are at @CW_Theatre for our Spring conference and Annual General Meeting. Expertly organised & introduced by Phil @TunnelInspector, Linda and other committee members. Follow along and contribute using #SuBbritEvents

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Subterrenea Britannica @subbrit.bsky.social · 08/04/2026

🗣️ TALK: The Hero Rats of APOPO By Phil Catling @Tunnelinspector At our Conference and AGM 11 April 2026 at Canada Water Theatre, London Book a seat www.subbrit.org.uk/events #SubbritEvents

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Subterrenea Britannica @subbrit.bsky.social · 06/04/2026

We have informal 'Sub Pub' meet ups for members in London. To join them, or hold your own elsewhere get in touch.

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Subterrenea Britannica @subbrit.bsky.social · 04/04/2026

VISIT: Wartling R3 Rotor Bunker, East Sussex, £15, 9 May In collaboration with Sussex Military History Society. To come along to this and other events use the links at www.subbrit.org.uk/events/ You'll need to become one of our members if not already. See also: www.subbrit.org.uk/sites/wartli...

Explorers in large underground space visible though an observation window

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Subterrenea Britannica @subbrit.bsky.social · 30/03/2026

To get our magazine, events, site visits and online forum, become one of our members at www.subbrit.org.uk/membership

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Subterrenea Britannica @subbrit.bsky.social · 29/03/2026

Visit this marvellous relic of the cold war, underground in West Sussex, maintained by 2 of our members. Cuckfield ROC Post Open Days 2026 - 18/7 19/7 29/8 12pm to 4pm - 30/8 10am to 1pm No need to book, just turn up – at busy times there may be a short wait to go underground.

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Subterrenea Britannica @subbrit.bsky.social · 23/03/2026

There are lots of great underground sites for the public to explore. Check them out on our website www.subbrit.org.uk/categories/place…

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