Dennis Bakhuis

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Dive #644 · Sunday, 23 November 2025 · 11:40–12:44

Kreidesee Hemmoor

E1 Hemmoor, Niedersachsen German quarries, pits and mines

  • deeper than 63 % of all dives
  • longer than 71 % of all dives
  • colder than 86 % of all dives
Profile
Max depth
17.4 m
Avg depth
8.7 m
Bottom time
64 min
Water
9 °C

Kit

Gas
Nitrox 32
Mode
Open circuit
Safety stop
2 min

Where

Kreidesee Hemmoor

quarry lake site max 43.8 m

A chalk pit dug from 1862 to 1976 that filled with groundwater by 1982 — sixty metres deep, full of industrial wreckage, an astronaut's aeroplane and an underwater postbox, and the most-dived site in this log outside the Netherlands.

Dive 41 of 41 here · first 2010 · last Nov 2025

German quarries, pits and mines →

On the map

Kreidesee

No route marked

E1E5BE5AApnoe-Plattform↓0 mE4BE4AE3E2E0Chinesisches Tor↓3 mSkywalk↓10 mPlattformen 3 / 6 m↓3 mSegelboot↓12 mSteilhang↓5 mPflasterstraße↓10 mBäume↓10 mKabelrolle↓25 mHügellandschaft↓25 mEingestürzter Stollen↓7 mSegelyacht Hemmoor↓17 mLeuchtturm↓26 mDLRG-Wohnwagen↓26 mBüsche↓8 mGullyschacht↓8 mHolztreppe↓20 mFord MondeoPiper Aerostar↓53 mFörderbandgestell↓8 mRohrleitung (Einmündung)↓8 mRohrleitung↓8 mWald↓35 mSteilhang II↓10 mKleine Höhlen↓10 mKabelrolle II↓35 mTrümmerfeld↓10 mBeton-Trümmerfeld↓10 mWeißer Hai↓10 mAlte Steilwand↓10 mFörderband↓13 mSchweißtisch↓3 mPiper PA-28↓10 mRührwerkstütze↓27 mLKW-Rampe↓6 mPlattform 4,5 m↓4.5 mBetonbombe I↓43 mBetonbombe II↓23 mRüttler↓20 mBriefkasten↓20 mMeisterbude↓35 mHolztreppen↓42 mBrücke↓25 mSteinschlagmatten↓0 mVersorgungsleitungen↓20 mPKW Verkehrsunfall↓20 mMahusan↓53 mUltraleichtflieger↓45 mBoot↓40 mScootermessstrecke↓12 mWohnwagen↓40 mLorenzug (Denkmal)LKW↓25 mN100 m
  • Entry / exit
  • Buoy
  • Point of interest
  • Car
  • Aeroplane
  • Boat
  • Wreck
  • Platform
  • Pipe / tube
  • Tree
  • Ladder / stairs
  • Net
  • Caravan
  • Lighthouse / tower
  • Machinery
  • Ruin / rubble
  • Gate
  • Cable reel
  • Postbox
  • Bridge
  • Shark
  • Hopper / silo
  • Truck
  • Other object
  • Shoreline
  • Depth

Map © divelog-sites contributors, CC BY-SA 4.0 · 53edcaf

Profile

ZHL-16C GF · GF 50/85 · Perdix #643

0 m5 m9 m14 m19 m0′15′30′44′59′74′9 °C8 °C
Avg depth
8.7 m
Deepest at
27:10
Descent
9 m/min
fastest
Ascent
5.4 m/min
fastest
Samples
445
every 8.7 s
depth water temperature hover or touch the chart for the computer's readout

From dive computer (record #643); never logged on paper

All dives at Kreidesee Hemmoor →