r/TheForgottenDepths↗
The Forgotten Depths
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.
134k subscribers38 posts / mo in Sep 202631 authors / mosince 2015
r/TheForgottenDepths has 134k members (+18% over the last 12 months). It gets about 38 posts a month from 31 people. Top topics: Abandoned Mines and Tunnels, Abandoned Mines and Towns and Mines Exploration.
When to post on r/TheForgottenDepths
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How r/TheForgottenDepths has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/TheForgottenDepths
Top topics
Share of the subreddit's posts
- Abandoned Mines and Tunnels6.3%
- Abandoned Mines and Towns2.5%
- Mines Exploration0.6%
- Abandoned Tunnels0.6%
- Quartz Crystals0.4%
Everything else about r/TheForgottenDepths
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research