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Morrisburg Dive Sites

Explore the Rapide-Plat Canal and Lock 23.

  • Welcome
  • About Me
  • The Overall Dive Site
    • Overview
    • 1959: The New Morrisburg
    • Today’s Shoreline and Dive Site
  • Upstream Sites
    • The Rapide Plat Canal
    • The Tin Plate Power House: Finding the Site
    • The Tin Plate Power House: Exploring the Site
  • Getting to the Locks
    • The Drift to the Locks: Aiming for your Arrival Spot
    • Clues Along the Bottom as You Drift to the Locks
  • The Locks
    • The Rapide Plat Lock (1847)
    • Lock 23 (1905)
    • Top of the Wall: The Park South of Lock 23
    • Top of the Wall Between the Locks
    • The Approach Pier
  • The Hydroelectric Plant
    • HE Plant: Overview
    • HE Plant: From Sluice Gates to Plant
    • HE Plant: Beyond the Plant
    • The HE Plant Route: Best for Novices
  • Leaving the Locks
    • Exit Plan: Getting to the Beach
    • A Bare-Bones Guide to the Exit
    • North and East Aren’t Quite What We Thought
  • Teaching Moments
    • More Weight is Better in Current: Ummmm… Nope.
    • Removing an Integrated-Weight BCD Underwater
    • Replacing a Weight Pouch Underwater
    • 2022 August 17: Such Low Water!! Such poor viz!
    • Ted’s Excellent Adventure
  • Blog

Category: 2020 News

Dive Conditions Oct 12, 2020

On October 12, 2020October 12, 2020 By SJSchnurrIn 2020 News, Blog

Weather and water temps have been pretty much the norm for the middle of October: sunny, cool days punctuated by regular rain and thunderstorms and the river dipping below 15C/60F. The main event of this Thanksgiving weekend has been the International River Board's raising of the water level in Lake St. Lawrence (the area between …

Continue reading Dive Conditions Oct 12, 2020

Lock Conditions 12 Aug 2020

On August 14, 2020August 14, 2020 By SJSchnurrIn 2020 News, Blog

I dove the lock last evening... I have been working at updating information on the HydroElectric Plant and wanted to do a quick check of current conditions. It was my first dive of the season - with all the changes in my pandemic existence this summer - and I noted several changes. The first was …

Continue reading Lock Conditions 12 Aug 2020

Website Updates are Moving Along

On July 31, 2020 By SJSchnurrIn 2020 News, Blog

I've been working at updating the site as you know. I have now added a lot more information and a number of short videos to my pages on (1) entry details, (2) drifting to the locks while aiming for certain arrival spots and watching for clues along the river bottom to help you get there, …

Continue reading Website Updates are Moving Along

Lock 23 Diving is Running Smoothly

On July 22, 2020 By SJSchnurrIn 2020 News, Blog

Diving at Lock 23 is working well with beautiful weather, good dive conditions, and ample parking for those divers who are comfortable outfitting themselves without assistance and can cruise the locks with the knowledge that they can get home safely if separated from their buddy or group. Within these parameters, the system runs smoothly. There …

Continue reading Lock 23 Diving is Running Smoothly

Morrisburg Beach Closed on Weekends

On July 3, 2020July 4, 2020 By SJSchnurrIn 2020 News, Blog

South Dundas has opted to close its beaches at Morrisburg and Iroquois on weekends, effective immediately until further notice. This obviously impacts divers on Lock 23 since the beach is the exit point for the dive. Until I can get out tomorrow and survey things, I do not know exactly how divers might yet work …

Continue reading Morrisburg Beach Closed on Weekends

Lock 23 Conditions: 25 June 2020

On June 25, 2020August 17, 2020 By SJSchnurrIn 2020 News, Blog

Apart from the strong winds yesterday that messed up visibility for a while, Lock 23 conditions are good. Water temperature is 18C/65F, a great starting point for wet-suiters. Current is fairly normal in all areas. The washrooms at the public beach are currently closed for maintenance. The washrooms at the public boat dock are open …

Continue reading Lock 23 Conditions: 25 June 2020

Lock 23 Conditions: June 4, 2020

On June 4, 2020October 12, 2020 By SJSchnurrIn 2020 News, Blog

The water is slowly warming up: 12.5C/54.5F, comfortable for only the most hardy wet-suiters. Most divers (of the few that are out there now) are still wearing drysuits. Current is quick - the dam in Cornwall is wide open to continue reducing levels in Lake Ontario. Water levels are low but not ridiculously so - …

Continue reading Lock 23 Conditions: June 4, 2020

Lock 23 Conditions: May 15

On May 15, 2020June 27, 2020 By SJSchnurrIn 2020 News, Blog

This should prove to be an interesting season at Lock 23. COVID-19 aside, let me first review the current state of spring river conditions. Recall that Morrisburg's Lock 23 sits in the middle of "Lake St. Lawrence", the 1959 body of water between Cornwall and Iroquois created when dams were constructed at either end. The …

Continue reading Lock 23 Conditions: May 15

Record Low Waters!

On January 6, 2020June 27, 2020 By SJSchnurrIn 2020 News, Blog

As of January 1st, and with the end of the season for freighter travel, the International River Board has decided to dramatically increase outflow from Lake Ontario in an effort to further reduce water levels there. They will do so until ice formation prevents it. In our Lake St. Lawrence region (between Iroquois and Cornwall …

Continue reading Record Low Waters!

Categories

  • 2020 News
  • 2021 News
  • 2022 News
  • Approach Drift
  • Archives
  • Blog
  • Exit Plan
  • Lock 23
  • River Flow Management
  • Teaching Moments
  • The Hydroelectric Plant
  • The Tin Plate Power House

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Top Posts & Pages

  • Ted's Excellent Adventure
  • Replacing a Weight Pouch Underwater
  • We Need Rain
  • Diver Missing (but Found) on the Tin Plate Drift
  • 2022 August 17: Such Low Water!! Such poor viz!
  • North and East Aren't Quite What We Thought
  • Removing an Integrated-Weight BCD Underwater
  • No Current at Lock 23 - Haha
  • 2022 July 17: Lock 23 Site Update
  • A Bare-Bones Guide to the Exit
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