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Dive #405 · Monday, 22 April 2019
Source de Landenouse
Cajarc, Lot The Quercy causses
- Day 2 of 6 · Quercy causses Apr 2019 →
- First of 2 dives that day(also #406 Source de Landenouse)
- deeper than 77 % of all dives
- Max depth
- 22.9 m
- Avg depth
- 14.7 m
- Bottom time
- 55 min
- SAC
- 18.5 l/min24 L · 240→135 bar
- Visibility
- 5-15 (upstream)
Kit
- Gas
- Nitrox 32 · measured 26.2 %
- Cylinder
- D12
- Pressure
- 240 → 135 bar
- Mode
- Open circuit
- Course / purpose
- C5
Where
Source de Landenouse
An independent resurgence into the Lot below Cajarc with no named system behind it — 2 134 m surveyed, 122 m deep, and twelve dives in this log.
Dive 1 of 12 here · first 2019 · last Sept 2021
With
On the map
Landenouse survey
No route marked
- Entrance
- End of line
- Shoreline
- Depth
- Along the line
Plan: 55 bar for penetration. Landenouse is open again after being closed for a year. The water was low, which with the D12 means a good 5 metres down the ladder and back up later. I had it in my head that it was a very shallow cave but I was confusing it with Trou Madame. The cave dropped quickly to about thirteen metres and went irregularly to a final depth of 22 m. Then there was a vertical zigzag upward; that was very cool but also a little exciting. Turned shortly after the "screwdriver". The cave is a bit dustier and darker than Ressel. Very cool. Had a D12 transport service :) Team: Erik "Looking good!"; Saskia "Good idea of Erik's, that rope... :)"