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Dive #297 · Sunday, 29 January 2017
Stiefelgrube Christine
Willingen (Upland), Hessen German quarries, pits and mines
- first mine dive
- coldest dive of 2017
- deeper than 82 % of all dives
- Max depth
- 25.3 m
- Avg depth
- 16.1 m
- Bottom time
- 22 min
- Water
- 7 °C
- SAC
- 23.0 l/min24 L · 215→160 bar
- Surface
- 4 °C
Kit
- Gas
- Nitrox 32 · measured 32 %
- Cylinder
- D12
- Pressure
- 215 → 160 bar
- Mode
- Open circuit
Where
Stiefelgrube Christine
A flooded slate mine near Willingen with 1.2 km of guide line — and a pile of miners' boots left underground, which is where the name in the log comes from.
Dive 1 of 2 here · first 2017 · last Jan 2018
With
- Ilsefirst dive together
On the map
Stiefelgrube Christine
No route marked
- Entrance
- T
- End of line
- Marker
- Unsurveyed
- Depth
- Along the line
Plan: turn pressure 190 bar (max penetration 30 bar), straight on at the T. Gear: standard tech gear. Team comment: "Great dive."