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Dive #408 · Thursday, 25 April 2019
Fontaine Saint-Georges
Montvalent, Lot The Quercy causses
- Day 5 of 6 · Quercy causses Apr 2019 →
- First of 2 dives that day(also #409 Font del Truffe)
- deeper than 90 % of all dives
- Max depth
- 29.4 m
- Avg depth
- 16.9 m
- Bottom time
- 52 min
- SAC
- 16.3 l/min24 L · 220→125 bar
- Visibility
- 5-12 (upstream)
Kit
- Gas
- Nitrox 32 · measured 30.2 %
- Cylinder
- D12
- Pressure
- 220 → 125 bar
- Mode
- Open circuit
- Course / purpose
- C8
Where
Fontaine Saint-Georges
Where the underground river of the Gouffre de Padirac comes back to the surface — proved by a dye trace in 1947 that took 114 days to arrive.
Dive 2 of 9 here · first 2018 · last Sept 2022
With
On the map
Saint-Georges sumps 1-2
No route marked
- Entrance
- T
- Jump
- Restriction
- End of line
- Air
- Shoreline
- Jump (no line)
- Depth
- Along the line
Plan: 50 bar for penetration, right at the first T, possibly turn at the 2nd. On the course I had only seen the cave entrance, and I had a completely different idea of this cave. It is dark but apart from the entrance everything is very large. The cave also got a good deal shallower again almost immediately. The floor alternated between rough solid rock and clay. After 250 m there was a T; we went straight on. Turned after 275 m; the narrow ascent was a bit exciting but fine. @310 m. Team: Saskia "Even perch and pike in the 'cenote' =)"; Erik "Nice clothes? :)"