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Dive #641 · Tuesday, 21 October 2025 · 19:39–21:12

't Grasbroek, Bornerbroek

Bornerbroek, Overijssel Dutch inland lakes

  • longer than 95 % of all dives
  • colder than 65 % of all dives
Profile
Max depth
9.4 m
Avg depth
5.5 m
Bottom time
93 min
Water
13 °C

Kit

Gas
Nitrox 32
Mode
Open circuit

Where

't Grasbroek, Bornerbroek

quarry lake site max 16 m

The most-dived site in this entire log — sixty-nine dives in a thirty-hectare sand pit twenty minutes from home, with an underwater house in it.

Dive 69 of 69 here · first 2005 · last Oct 2025

On the map

Onderwaterpark

No route marked

18 m53 m17 m16 m16 m23 m25 mSteiger↓0 mTwents Onderwaterhuis↓11 mContainersTegelrifWrakjeOefenplatform↓10 mWrakje zeilbootScooterRioolbuizenContainer (wal)N10 m
  • Entry / exit
  • T
  • Wreck
  • Platform
  • Container
  • Pipe / tube
  • House / hut
  • Other object
  • Shoreline
  • Depth
  • Along the line

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

Profile

ZHL-16C GF · GF 50/85 · Perdix #640

0 m3 m5 m8 m10 m0′20′40′61′81′101′13 °C13 °C
Avg depth
5.5 m
Deepest at
41:40
Descent
5 m/min
fastest
Ascent
4.4 m/min
fastest
Samples
607
every 9.2 s
depth water temperature hover or touch the chart for the computer's readout

From dive computer (record #640); never logged on paper

All dives at 't Grasbroek, Bornerbroek →