/r/TheForgottenDepths

Photograph via snooOG

This subreddit is a place for those interested in abandoned mines and other various disused tunnels and underground facilities. Feel free to post exploration videos, pictures, stories, history, or anything related to the abandoned underground world.

This subreddit is a place for those interested in abandoned mines and other various disused tunnels and underground facilities. Please follow all rules for both the sub and the website in general.

 

Other subs you might like:

Rules:

  • Posts must talk about abandoned underground facilities, posts about tunnels or mines still in use have a home elsewhere.

  • Reposts don't warrant a ban but spam does.

  • All reddit rules apply, and abusive behaviour will result in a permanent ban.

  • Absolutely no location specifics in the post or the comments, only by PM. This rule is for the preservation of the location, and the safety of those without the experience to explore safely.

 

If you think this sub can be made better, or would like to become a mod and help keep it running, message /u/Dragonborn1995 or /u/ChewyUbleck.

 

Entering abandoned mines is not recommended.

 

Remember that these places are old and can be extremely dangerous. For this reason only those with the proper gear and experience should enter an abandoned mine or tunnel. Read more in the link below:

 

Hazards and risks of abandoned mine exploration

 

If you do decide to visit an abandoned mine, please respect the site itself as well as the property owner (if applicable).

 

Take nothing but pictures, leave nothing but footprints. Last of all, have fun, don't be an ass, and be safe!

/r/TheForgottenDepths

105,036 Subscribers

9

Calico Mountains

Planning on going camping and mine exploring in calico mountains. It looks like an ant hill from above with how many adits and shafts there are. However, for an area that seems very accessible and with so much available, I can’t find that many videos online compared to other more obscure places. Has anyone here been out there exploring before? Is there a catch?

4 Comments
2025/01/31
13:14 UTC

1

The Lost Mine in Huge Limestone Workings ⚒️🇬🇧

Follow us in this second part Documentary exploring the Largest Limestone Mine in Britain and its hidden secrets, in this chapter we visit an artefact filled section of Old man Wirkings 👌🏼⚒️

0 Comments
2025/01/31
04:50 UTC

294

Spooky Dooky

Original from the mine. Toilet seat was bolted on a collar of sorts.

13 Comments
2025/01/27
23:06 UTC

128

Shaft to the lower parts of a graphite mine. Czech Republic.

6 Comments
2025/01/26
10:34 UTC

3

New adventure up! In this one, whilst exploring a mine from the 1800s, we come across a part inside from the 1600s and see the vast, claustrophobic difference between the 2 different age mines. Thor as usual, gets a good soaking!

0 Comments
2025/01/25
19:58 UTC

1,697

I know you guys like boreholes...

... and I love throwing shit down them. This was a short length of rail

74 Comments
2025/01/25
16:24 UTC

17

Hidden Relics inside Britain’s Largest Limestone Mine ⚒️🇬🇧

Follow us in this first part Documentary exploring the Largest Limestone Mine in Britain and its hidden secrets ⚒️

0 Comments
2025/01/22
19:54 UTC

200

The point where the Coal Mine Forks - With abandoned minecarts

9 Comments
2025/01/21
23:03 UTC

15

Repelling and exploring a near forgotten mine

Hey everyone, forrest from ghost towns and Mines of Washington. This was an awesome exploration with incredible artifacts left behind in this 100+ years old mine! Video linked in here!

https://youtu.be/USv6hHPEzeM?si=3okGirqnOJmRakru

9 Comments
2025/01/19
18:24 UTC

487

Ice covered pool of water in mine (video attached)

Found a ice covered pool of water in an abandoned mine recently. Very nice to look at, but unfortunately too thin to walk on. Thought I would share the picture here at least. Video of the entire mine is attached if anyone is interested 😊

Video: https://youtu.be/uWZ1X_90DlY?si=_sR2wEbHHwh4yuOF

10 Comments
2025/01/19
09:15 UTC

0

looking for any abandoned places in melbourne (vic) to explore with my boyfriend please let me know :)

1 Comment
2025/01/19
06:14 UTC

7

New video up peops, and in this one, after exploring a fascinating, feature packed mine, we drop down one of its shafts to see unexplored wonders! Enjoy :).

0 Comments
2025/01/18
19:51 UTC

181

There is an abandoned Ancient Roman Tunnel near Pompei that was in use all the way until WW2 [Full Video Below]

1 Comment
2025/01/17
19:33 UTC

12

Respirator/Monitor Recommendations

Hey, new to the group, but very experienced in the dark realm of hard rock mines.

Lately I’ve been encountering more and more uranium mines in the Rocky Mountain region that I’d like to document. So was curious what type of respirator you use or would recommend? I don’t want to be inhaling the dust in these mines as they’re usually extremely dry.

Additionally, what radiation monitor/radon detectors do you recommend? Again, I have a basic Geiger Counter, but would like an accurate idea of exposure levels while underground.

Thanks for any recommendations and I look forward to sharing my findings with you all.

6 Comments
2025/01/15
22:13 UTC

8

Uranium mines and SCBA

Hi!

Me and a couple of colleagues are planning a semi-official trip to a bunch of abandoned uranium mines to take measurements and samples.

I've read about many odourless and inert glasses that could pose a threat, and we have access to dosimeters and other devices to detect such dangers, but I'm wondering if we should invest in closed circuit breathing systems, considering we'd be spending up to 1 hour in shifts while we take the samples and measurements. And I fear that we'd come into contact with gasses that would freely pass through any of our filters.

Thanks!

10 Comments
2025/01/14
05:28 UTC

259

There is a massive abandoned underground airbase on the border of Croatia & Bosnia [Full Video Below]

6 Comments
2025/01/13
22:10 UTC

5

New adventure up, and in this one, whist exploring Danby Level in North Yorkshire, a huge mine, we take several wrong turns and end up in particularly nasty shale, but....this leads to some amazing discoveries! Enjoy :

0 Comments
2025/01/11
19:51 UTC

0

Unlocked Memory of Tunnels as a Child

My memory as a child is quite blurry and find myself remembering things out of no where. I was three years old, when I came to the United Stated from Mexico. I don’t know anything about my family history unfortunately to understand the move. I remember reuniting with my parents in Los Angeles and moved to a small house in Stockton, CA.

As a child, I remember the back of my house had a grassy alleyway. It was wedged in between the house behind us but gated but connected to my neighbors house. One day I hopped the fence to find “treasure” in the grassy area when I discover a wooden bedroom door in the dirt ground. My dad was a mechanic so I used of his crowbars to lift the edge and I could vividly see steps leading down out a large open space connecting the houses around. I confirmed when I found out we had a basement but could never find the entrance to it. We rented so we couldn’t destroy the property.

It does not end there, when I started elementary school. My school was down the street from where we lived. About a 5 minute walk.

In first grade, there were rumors of men hiding in the restroom. One day, girls came out screaming saying they saw someone in the girls restroom. I remember this because I would refuse to use the restroom in schools and would often hold it in until I got home.

Another rumor spread that they saw the exact same man hiding behind a shack located in the far back of the baseball field. My friends said to stay away from there because it goes underground and a “monster” would get you.

There’s more,

I attended a new high school called Health Careers Academy that was opened on the year I “graduated” elementary school in 2010. It was located in Downtown Stockton. It was apparently built over an old mental intuition and our classes were and hallways looked like a hospital. There were hidden doors and secret passageways that were locked. Each year the school would expand and open another small section of the hospital and covert it into classrooms. The school is finished now but only makes up about 40% of the entire building.

In my freshman year, my friend an I were walking around campus and found a hidden door behind a the gymnasium which was actually an old theater. There was another old building on the school grounds that resembled a church but it had a fire place. My friend and I look around the building and find an basement open door, we were so curious we crawled in. Inside was a tunnel, dirt ground but brick walls, it led to an intersection with more tunnels, at this point my friend was scared. I ran down one of the tunnels and it led me to another intersection. I knew I was going to get lost so we returned back. We were arrested by police.

You see the thing is the tunnel system went for miles, connecting our school with the building around us.

This makes me wonder, is there something under the city of Stockton CA?

It’s funny, I didn’t think much of it growing up. Until I came across a video talking about the GATE program and a few others I participated in growing up and I started thinking about my childhood and how I don’t remember much of it but the memories that do surface always give me a sensation of nervousness and leave me with more questions.

Has anyone experienced this? Sometimes I feel like reconnecting with my childhood friends and talking about our experiences.

6 Comments
2025/01/10
21:09 UTC

242

Mine shaft out in DV

One of my favorite shots from the depths

16 Comments
2025/01/09
22:59 UTC

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