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Forum: Main Forum

  1. Little River: Harper Tunnel past 1,266' (Rock and a Hard Place)

    Howdy, What's past the no mount restriction? Pics or videos? The map says that the parts of the passage have been estimated and it looks like...

    Started by mr_v, 06-19-2026 02:35 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 220
    Brent
    Today 12:57 PM Go to last post

  2. CaveViewer Science tool

    **CaveViewer ? free desktop tool for viewing large cave survey scans (Windows, v1.0)** Built this with Zsolt Zsabo (BottomLine Projects Scientific...

    Started by K3rnalPanic, Today 12:11 AM
    • Replies: 2
    • Views: 39
    mr_v
    Today 08:04 AM Go to last post

  3. Great Passage Often Missed

    Divers often swim past some of the best passage, without a glance sideways. Examples: The Catacombs (no fixed lines, so run a reel)....

    Started by Rick Palm, 01-22-2026 08:31 PM
    • Replies: 6
    • Views: 989
    bletso
    06-15-2026 02:22 PM Go to last post

  4. Devils Eye 3D Mapping initiative by Bottomline Projects

    Hi, wanted to share a project Zsolt and I have been working on and will continue to build on. Hope you enjoy. ...

    Started by K3rnalPanic, 12-13-2025 12:47 PM
    2 Pages •
    1 2
    • Replies: 14
    • Views: 1,995
    tomhauburn
    06-01-2026 11:29 AM Go to last post

  5. Maldives Cave Diving Fatalities

    Any speculation on what happened?

    Started by perryL927, 05-19-2026 06:52 AM
    • Replies: 5
    • Views: 556
    Dominic
    05-26-2026 03:51 PM Go to last post

  6. explorertechnologyllc.com

    Hello all, Can anyone offer a review of explorertechnologyllc.com? Thank you, Doug

    Started by dougchappell, 04-27-2026 08:54 PM
    • Replies: 9
    • Views: 447
    cavekrazi
    05-17-2026 06:09 PM Go to last post

  7. Peppersauce Cave - Arizona

    Hi All, Came across a YouTube video where a guy is using a ROV to explore a flooded section of the Peppersauce cave. There is line laid in the...

    Started by newman_diver, 05-05-2026 09:00 AM
    • Replies: 3
    • Views: 347
    mr_v
    05-10-2026 08:13 AM Go to last post

  8. Peacock Springs 3D Mapping initiative by Bottomline Projects

    Peacock Springs 3D Mapping initiative by Bottomline Projects Hello, Our Bottomline Projects USA Chapter will be attempting to create a 3D map of...

    Started by K3rnalPanic, 05-05-2026 10:57 AM
    • Replies: 0
    • Views: 198
    K3rnalPanic
    05-05-2026 10:57 AM Go to last post

  9. I am working on a new Cave Diving book titled: Cave Diving, Back in the Day

    Here is my current INTRODUCTION to the book. If anyone diving in the 60s to the 80s would like to contribute their stories to the book, please let me...

    Started by Guy Bryant, 12-05-2025 12:41 PM
    book, cave diving, history, stories, the old days
    • Replies: 5
    • Views: 708
    dougchappell
    04-28-2026 08:14 PM Go to last post

  10. looking for information for Michael O'Leary cave instructor

    no one i have talked to at the NSS CDS or NACD knows what happened or whereabouts for my cave instructor Mike O'Leary. any info would be...

    Started by ltb7733, 04-15-2026 11:36 AM
    • Replies: 1
    • Views: 391
    Diverlee
    04-15-2026 03:29 PM Go to last post

  11. cow springs waiver

    i am looking over the cow springs waiver, and one of the rules is to dive with an Active NSS-CDS INSTRUCTOR. is this really enforced? i have dove...

    Started by ltb7733, 03-19-2026 07:35 AM
    2 Pages •
    1 2
    • Replies: 10
    • Views: 1,494
    dougchappell
    04-01-2026 10:00 PM Go to last post

  12. Duracell Power Boost AA battery issue & Shearwater Petrel.

    Purchased a 40 pack of Duracell Power Boost AA batteries from Costco and some of them on a trip to Curacao. When I put one in my Petrel 2 it would...

    Started by Norwegian Cave Diver, 02-26-2026 03:16 PM
    duracell
    • Replies: 2
    • Views: 326
    Norwegian Cave Diver
    03-02-2026 08:33 AM Go to last post

  13. DPV Battery Rebuilds and Servicing

    Daniel Presley and I are excited to officially announce the launch of Precision Depth Diving! PrecisionDepthDiving.com We?re based in North...

    Started by TonyDCaver, 03-01-2026 05:54 PM
    • Replies: 0
    • Views: 258
    TonyDCaver
    03-01-2026 05:54 PM Go to last post

  14. Reels left in Ginnie

    Hey guys, I left some reels in Ginnie and I?m not sure when I?ll be able to grab them. There?s one at Gold Line to Park Bench. One at Gold Line to...

    Started by Superlyte27, 02-26-2026 07:16 AM
    • Replies: 0
    • Views: 240
    Superlyte27
    02-26-2026 07:16 AM Go to last post

  15. New video on Ben McDaniel

    Take a look at a new video that was just released! These videos take a long time to organize and produce. We hope you enjoy, and there will be more...

    Started by DecompressedPhoto, 02-23-2026 05:31 PM
    ben, mcdaniel, mystery, vortex
    • Replies: 1
    • Views: 443
    OWSI176288
    02-25-2026 11:47 AM Go to last post

  16. In memory of Michael Menduno

    Happy New Year! All my wishes for you and your loved ones, for health and joy! Please take a minute to read and share InDEPTH?s January 2026 issue....

    Started by argyris, 12-31-2025 09:01 PM
    • Replies: 1
    • Views: 442
    ericfine50
    01-01-2026 05:52 AM Go to last post

  17. New Years happenings

    Any divers getting together for bon-fires or diving on New years Eve / New years day?

    Started by twaldo, 12-30-2025 03:19 PM
    • Replies: 1
    • Views: 319
    Diverlee
    12-31-2025 06:44 PM Go to last post

  18. Merry Christmas

    Sent from my iPhone using Tapatalk

    Started by Diverlee, 12-25-2025 07:51 AM
    • Replies: 5
    • Views: 447
    mr_v
    12-27-2025 11:50 AM Go to last post

  19. Little River

    Sent from my iPhone using Tapatalk

    Started by Diverlee, 12-13-2025 03:58 PM
    • Replies: 5
    • Views: 675
    Whitrzac
    12-23-2025 09:18 PM Go to last post

  20. Old lines in Super Room, Eagle's Nest

    Happy holidays ya'll! On a recent EN trip I noticed that Super Room had quite a few old wonky lines leading to nowhere in particular. Can tell the...

    Started by mr_v, 12-09-2025 08:17 AM
    • Replies: 4
    • Views: 551
    barney00
    12-16-2025 12:14 PM Go to last post
 

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