I'm not sure why. But probably just to avoid to become hang up with the straps or edge of the helmet to an outcrop of the ceiling. That's the reason why I also do it in other low sumps/ducks

Have been using a ventilation tube also as Voice tube in an 40m long dig in France to communicate with people outside Other clubmembers used a voice tube through a sump when free diving it to know of the previous person passed the sump so the next person could follow. At 2:26 in the following...

Online info about the doubs Doubs online The site contains al information about the Verneau and a seperate page with some classical caves in the doubs which are bolted, and much more info Bolted caves in doubs

The best books for the doubs can be found at the following shop : Gipek book page Book 1 - 4 are the original books Book 5 is an update on the 4 previous books

an other alternative are drive plates. Perhaps you can find a damaged one at local building site that you can pick up after asking off course. A 6-pack of beer does wonders sometimes ;-) drive plate

I can't send you one but I can share you what we use as sheeting. These are preformed decking sheets, stronger than flat sheets and lightweight . Picked up on free-cycle group of building materials.

Depeche Mode (since 1980)

for caving project Traqua sponsors caving project with meters Traqua sponsorshios

Hi, Our club also has a document with about 25 years of trips in the south of France. The only problem is that it is in dutch. But you can search on names and then translate via google. link : 25 years caving in the south of France

Also take a look at our page of visited caves in Europe with a small description and scale of duration/technical challenges European caves I known it’s very brief but I gives an indication

Just some personal findings by some caving area's in France Ardeche outside very hot in the summer, a lot of tourists ==>imo better in spring much gas in a lot of caves, which becomes more and more a problem. Vercors More alpine setting ==> colder and more impact of the weather Some serious...

I'will send you an e-mail adress from one of the administrators of arsip via PM.

Hi, No personal info sorry for that. But I did find the following report halfway on the webpage. It's about a trip of last summer (9 july). Trip report Merveilleuse-Vertigo Some quick translations - The only negative parts is that the horizontal part is very muddy - the ledge after the...

- La Verna - with guide - Gorges de Kakuetta (not caving) - La Bidouze () https://www.passport-aventure.net/canyoning/topos-canyon/source-de-la-bidouze-topo/ Fun aquatique pull through and nearby Larrau, underground canyoning :) More info via https://www.arsip.fr/ and check out their...

Indeed not new for us. This is standard procedure for us too for over 20 years already. I just wanted to show how some best practices are done