Hidden Earth
@hiddenearth.bsky.social
The UK's National Caving Conference
This weekend-long event taking place in September every year is a friendly, educational, inspiring and social gathering of hundreds of cavers from across the UK and overseas.
This weekend-long event taking place in September every year is a friendly, educational, inspiring and social gathering of hundreds of cavers from across the UK and overseas.
We're still recovering from the weekend but exciting news...
📣 Hidden Earth 2026 will be back at Llangollen!
There has once again been so much positive feedback that we're returning for a third year so get the date saved.
📣 Hidden Earth 2026 will be back at Llangollen!
There has once again been so much positive feedback that we're returning for a third year so get the date saved.
September 29, 2025 at 8:44 PM
We're still recovering from the weekend but exciting news...
📣 Hidden Earth 2026 will be back at Llangollen!
There has once again been so much positive feedback that we're returning for a third year so get the date saved.
📣 Hidden Earth 2026 will be back at Llangollen!
There has once again been so much positive feedback that we're returning for a third year so get the date saved.
We're looking forward to the weekend! 😁
If you were at Llangollen last year, there have been a few changes to the parking and rooms.
If you were at Llangollen last year, there have been a few changes to the parking and rooms.
September 25, 2025 at 5:55 PM
We're looking forward to the weekend! 😁
If you were at Llangollen last year, there have been a few changes to the parking and rooms.
If you were at Llangollen last year, there have been a few changes to the parking and rooms.
It's officially a RECORD YEAR for advanced tickets! 😍
September 23, 2025 at 1:05 PM
It's officially a RECORD YEAR for advanced tickets! 😍
Timetable for this weekend is now available 😍
Please note that it is subject to change although we'll try to keep it to a minimum.
hidden.earth/timetable
Please note that it is subject to change although we'll try to keep it to a minimum.
hidden.earth/timetable
Hidden Earth 2025 Timetable
The full schedule of lectures, films and workshops.
hidden.earth
September 22, 2025 at 1:24 PM
Timetable for this weekend is now available 😍
Please note that it is subject to change although we'll try to keep it to a minimum.
hidden.earth/timetable
Please note that it is subject to change although we'll try to keep it to a minimum.
hidden.earth/timetable
Sunday is the deadline for getting your discounted advanced tickets for this years Hidden Earth. You can still buy on the door though! ⏳
#caving #hiddenearth
#caving #hiddenearth
September 19, 2025 at 3:03 PM
Sunday is the deadline for getting your discounted advanced tickets for this years Hidden Earth. You can still buy on the door though! ⏳
#caving #hiddenearth
#caving #hiddenearth
London Underground: The WCMS South East Round Up. Explore beyond the tube network! Discover mining history with WCMS South East. #London #caving #hiddenearth
hidden.earth/session/1305
hidden.earth/session/1305
September 19, 2025 at 11:51 AM
London Underground: The WCMS South East Round Up. Explore beyond the tube network! Discover mining history with WCMS South East. #London #caving #hiddenearth
hidden.earth/session/1305
hidden.earth/session/1305
The beer beakers have arrived, sadly empty. Fill them at the bar on Friday night! 🍺🍺🍺
September 18, 2025 at 7:45 PM
The beer beakers have arrived, sadly empty. Fill them at the bar on Friday night! 🍺🍺🍺
A new cave survey device - The DiscoX1: Revealing prototype by Christian K made possible by SAP6 open source. Come join the journey! #caving #hiddenearth #innovation
hidden.earth/session/1303
hidden.earth/session/1303
September 18, 2025 at 2:33 PM
A new cave survey device - The DiscoX1: Revealing prototype by Christian K made possible by SAP6 open source. Come join the journey! #caving #hiddenearth #innovation
hidden.earth/session/1303
hidden.earth/session/1303
The Loss of a Crown (Kiln Piece Hole to Slaughter Stream Cave Connection): Unearth the secrets of UK's longest single-entrance cave and its feeder. Join us this September! #caving #hiddenearth #SlaughterStreamCave
hidden.earth/session/1300
hidden.earth/session/1300
September 16, 2025 at 1:20 PM
The Loss of a Crown (Kiln Piece Hole to Slaughter Stream Cave Connection): Unearth the secrets of UK's longest single-entrance cave and its feeder. Join us this September! #caving #hiddenearth #SlaughterStreamCave
hidden.earth/session/1300
hidden.earth/session/1300
An auSUSSpicious return to Crete: Gourgouthakas-Liontari 2025. Sheffield University students back to Crete for a brave caving expedition and more. Stay tuned for a discussion! #caving #hiddenearth #Crete
hidden.earth/session/1299
hidden.earth/session/1299
September 15, 2025 at 1:20 PM
An auSUSSpicious return to Crete: Gourgouthakas-Liontari 2025. Sheffield University students back to Crete for a brave caving expedition and more. Stay tuned for a discussion! #caving #hiddenearth #Crete
hidden.earth/session/1299
hidden.earth/session/1299
Scientific Investigations in Greenland’s Caves: Unlocking High Arctic Climate Histories. Discovering untouched environmental archives. Paleo-climatic revelations from 5 to 15 million years ago. #caving #Greenland #ClimateHistory
hidden.earth/session/1275
hidden.earth/session/1275
September 12, 2025 at 11:43 AM
Scientific Investigations in Greenland’s Caves: Unlocking High Arctic Climate Histories. Discovering untouched environmental archives. Paleo-climatic revelations from 5 to 15 million years ago. #caving #Greenland #ClimateHistory
hidden.earth/session/1275
hidden.earth/session/1275
British Cave Science: Exciting discoveries await at our September conference. Learn, interact & explore! #Caving #BritishCaveScience #HiddenEarth
hidden.earth/session/1298
hidden.earth/session/1298
September 10, 2025 at 12:17 PM
British Cave Science: Exciting discoveries await at our September conference. Learn, interact & explore! #Caving #BritishCaveScience #HiddenEarth
hidden.earth/session/1298
hidden.earth/session/1298
Adventures with Gay Outdoor Club Caving Group: From overcoming homophobia to exploring the deepest caves in Russia and NZ! #caving #hiddenearth
hidden.earth/session/1283
hidden.earth/session/1283
September 9, 2025 at 12:47 PM
Adventures with Gay Outdoor Club Caving Group: From overcoming homophobia to exploring the deepest caves in Russia and NZ! #caving #hiddenearth
hidden.earth/session/1283
hidden.earth/session/1283
CUCC Loser Plateau Expedition: Exploring Balkonhöhle, revisiting Kaninchenhöhle after 10 years, and discovering new cave entrances. Full report this September! #caving #CUCC
hidden.earth/session/1280
hidden.earth/session/1280
September 8, 2025 at 12:56 PM
CUCC Loser Plateau Expedition: Exploring Balkonhöhle, revisiting Kaninchenhöhle after 10 years, and discovering new cave entrances. Full report this September! #caving #CUCC
hidden.earth/session/1280
hidden.earth/session/1280
Young photographers! 📸
Snap Shots: 'Click Happens' is a workshop aimed at young photographers wanting to venture to the dark side & begin documenting their underground adventures. From fancy camera & lighting setups to quick grabs on your mobile phone.
Run by Mark Burkey.
Snap Shots: 'Click Happens' is a workshop aimed at young photographers wanting to venture to the dark side & begin documenting their underground adventures. From fancy camera & lighting setups to quick grabs on your mobile phone.
Run by Mark Burkey.
September 5, 2025 at 9:27 AM
Young photographers! 📸
Snap Shots: 'Click Happens' is a workshop aimed at young photographers wanting to venture to the dark side & begin documenting their underground adventures. From fancy camera & lighting setups to quick grabs on your mobile phone.
Run by Mark Burkey.
Snap Shots: 'Click Happens' is a workshop aimed at young photographers wanting to venture to the dark side & begin documenting their underground adventures. From fancy camera & lighting setups to quick grabs on your mobile phone.
Run by Mark Burkey.
Getting children and young people caving! Don't miss our 2-part talk at the caving conference: policies, advice, trip ideas, clothing, and open forum for discussions. #caving #youthcaving
hidden.earth/session/1278
hidden.earth/session/1278
September 4, 2025 at 4:48 PM
Getting children and young people caving! Don't miss our 2-part talk at the caving conference: policies, advice, trip ideas, clothing, and open forum for discussions. #caving #youthcaving
hidden.earth/session/1278
hidden.earth/session/1278
Last couple of lecture / workshop slots available! 😱
We've just about got a full schedule but if you still have a session you've been thinking about doing then this is your last chance to get it in before submission closes. 🥰
Submit online: hidden.earth/lectures
We've just about got a full schedule but if you still have a session you've been thinking about doing then this is your last chance to get it in before submission closes. 🥰
Submit online: hidden.earth/lectures
September 3, 2025 at 1:39 PM
Last couple of lecture / workshop slots available! 😱
We've just about got a full schedule but if you still have a session you've been thinking about doing then this is your last chance to get it in before submission closes. 🥰
Submit online: hidden.earth/lectures
We've just about got a full schedule but if you still have a session you've been thinking about doing then this is your last chance to get it in before submission closes. 🥰
Submit online: hidden.earth/lectures
Greenland Caves Project 2023: Exploration of WUL-8, Wulff Land, North Greenland. Cold War era Northern cave finally explored after years of planning. More to follow. #caving #Greenland #hiddenearth
hidden.earth/session/1274
hidden.earth/session/1274
September 3, 2025 at 12:20 PM
Greenland Caves Project 2023: Exploration of WUL-8, Wulff Land, North Greenland. Cold War era Northern cave finally explored after years of planning. More to follow. #caving #Greenland #hiddenearth
hidden.earth/session/1274
hidden.earth/session/1274
The Cleasby Hill Cave System: An in-depth exploration and history presented by Chris Curry at our conf. in Sept. From 1908 on, join us in uncovering its mysteries! #Arkengarthdale #caving #hiddenearth
hidden.earth/session/1270
hidden.earth/session/1270
September 2, 2025 at 4:14 PM
The Cleasby Hill Cave System: An in-depth exploration and history presented by Chris Curry at our conf. in Sept. From 1908 on, join us in uncovering its mysteries! #Arkengarthdale #caving #hiddenearth
hidden.earth/session/1270
hidden.earth/session/1270
Peak District Roundup 2024 to 2025 (AKA 'Pissing around in the Peaks 2024-25') - Join us for a tour of cave explorations from Oct 24 - Aug 25. Updates on Bull Pit, P8 and new discoveries. #caving #PeakDistrict
hidden.earth/session/1268
hidden.earth/session/1268
September 1, 2025 at 1:06 PM
Peak District Roundup 2024 to 2025 (AKA 'Pissing around in the Peaks 2024-25') - Join us for a tour of cave explorations from Oct 24 - Aug 25. Updates on Bull Pit, P8 and new discoveries. #caving #PeakDistrict
hidden.earth/session/1268
hidden.earth/session/1268
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
hidden.earth/session/1267
August 29, 2025 at 12:07 PM
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
hidden.earth/session/1267
Calling all traders, clubs and BCA affiliated bodies. You can now book your pitch in the Hidden Earth trade hall.
We're keen to see lots of caving clubs. It's FREE to have a pitch so come along and show of your club and what you've been up to.
hidden.earth/trade-hall
We're keen to see lots of caving clubs. It's FREE to have a pitch so come along and show of your club and what you've been up to.
hidden.earth/trade-hall
August 28, 2025 at 11:27 AM
Calling all traders, clubs and BCA affiliated bodies. You can now book your pitch in the Hidden Earth trade hall.
We're keen to see lots of caving clubs. It's FREE to have a pitch so come along and show of your club and what you've been up to.
hidden.earth/trade-hall
We're keen to see lots of caving clubs. It's FREE to have a pitch so come along and show of your club and what you've been up to.
hidden.earth/trade-hall
Advanced ticket sales are now open for Hidden Earth 2025. 🤩
👉 hidden.earth/tickets
Advanced booking deadline: 11pm, Sunday 21 September
👉 hidden.earth/tickets
Advanced booking deadline: 11pm, Sunday 21 September
August 27, 2025 at 10:06 PM
Advanced ticket sales are now open for Hidden Earth 2025. 🤩
👉 hidden.earth/tickets
Advanced booking deadline: 11pm, Sunday 21 September
👉 hidden.earth/tickets
Advanced booking deadline: 11pm, Sunday 21 September
Caving in lowland Slovenia – Classic Karst: Swap hardcore expeditions for a softer exploration of Slovenia's majestic karst. Dive into the subterranean splendour south of Ljubljana. #caving #Slovenia
hidden.earth/session/1266
hidden.earth/session/1266
August 27, 2025 at 11:23 AM
Caving in lowland Slovenia – Classic Karst: Swap hardcore expeditions for a softer exploration of Slovenia's majestic karst. Dive into the subterranean splendour south of Ljubljana. #caving #Slovenia
hidden.earth/session/1266
hidden.earth/session/1266
Just a month to go until Hidden Earth. 😍 Tickets will be on sale this week, look out for the announcement soon. 📣
We've had a phenomenal influx of lectures, films and workshops this year so thanks to everyone for your support!
We've had a phenomenal influx of lectures, films and workshops this year so thanks to everyone for your support!
August 26, 2025 at 12:42 PM
Just a month to go until Hidden Earth. 😍 Tickets will be on sale this week, look out for the announcement soon. 📣
We've had a phenomenal influx of lectures, films and workshops this year so thanks to everyone for your support!
We've had a phenomenal influx of lectures, films and workshops this year so thanks to everyone for your support!