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Port Severn in Simcoe County, Ontario — Central Canada (North America)
 

Water Control Dams/Port Severn – The Secondary Lock

Barrages de régularisation des eaux/Port Severn – L’écluse secondaire

 
 
Water Control Dams/Port Severn – The Secondary Lock Marker image. Click for full size.
cmh2315fl via Flickr (CC BY-NC 2.0), August 3, 2017
1. Water Control Dams/Port Severn – The Secondary Lock Marker
Inscription. [English]
Water Control Dams
A complex system of dams was needed to manage water levels for navigation on the lower Severn River. In many cases older timber structures built by loggers were replaced with concrete.

Port Severn – The Secondary Lock
Contracts for a dam and lock were let in 1913. Since it was only to carry local traffic between Matchedash Bay and Gloucester Pool it was only 7 m. wide and 30 m. long, smaller than other locks on the system. It was opened in 1915.

The main route of the canal was to follow Little Go Home Bay to a lock giving access to Georgian Bay via the South Bay of Honey Harbour. Work on the section began in 1919 but was never completed.

The lock at Port Severn was declared the official northern terminus and has been serving boaters ever since.

[Francais]
Barrages de régularisation des eaux
Il fallait recourir a un systeme complexe de barrages pour controler le niveau des eaux en vue de la navigation sur le cours inferieur de la Severn. Dans bien des cas, on a remplacé par dos ouvrages de béton les vielles constructions de bois érigées par les bûcherons.

Port Severn – L’écluse secondaire
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en 1913 que furent signés contrats pour la construction d’un barrage et d’une ecluse à Port Severn. Puisque l’écluse ne devait servir qu’à la circulation locale entre la baie Matchedash et l’étang Gloucester, elle ne mesurait que 7 mètres de large sur 30 de long, moins donc que les autres écluses de la voie navigable. Elle fut ouverte en 1915.

La voie principale du canal devait suivre la baie Little Go Home jusqu’à une écluse donnant accès a la baie Georgienne en passant par la baie South à Honey Harbour. Les trevaux de cette section commencèrent en 1919, mais furent interrompus en 1921.

L’écluse de Port Severn devint le terminus officiel du nord et accueille les plaisanciers depuis.
 
Topics. This historical marker is listed in these topic lists: Man-Made FeaturesWaterways & Vessels. A significant historical year for this entry is 1913.
 
Location. 44° 48.217′ N, 79° 43.247′ W. Marker is in Port Severn, Ontario, in Simcoe County. It can be reached from Port Severn Road North 1.2 kilometers east of Lone Pine Road, on the right when traveling east. Marker is along a brick walkway that goes underneath the west end of the bridge. Touch for map.
Water Control Dams/Port Severn – The Secondary Lock Marker image. Click for full size.
cmh2315fl via Flickr (CC BY-NC 2.0), August 3, 2017
2. Water Control Dams/Port Severn – The Secondary Lock Marker
Marker is at or near this postal address: 181 Port Severn Rd N, Port Severn ON L0K 1S0, Canada. Touch for directions.

Regionally, this marker is in Central Ontario Cottage Country and specifically in Georgian Bay Country. It is also in Central Canada. Globally, it is in North America, on the Great Lakes, in the Western Hemisphere, in the Western World, and in the Anglosphere. Historically, it finds itself in what was once a British colony, the Viceroyalty of New France, the Haudenosaunee (Iroquois) Confederacy, and Rupert’s Land.

Other nearby markers. At least 8 other markers are within 13 kilometers of this marker, measured as the crow flies: Port Severn Swing Bridge, Lock 45 (a few steps from this marker); St. Ignace II (approx. 9.4 kilometers away); The Arrival of the Jesuits in New France (approx. 9.6 kilometers away); Ataronchronon Village (approx. 9.6 kilometers away); Evolution of a Railway / Evolution d’un ber roulant (approx. 9.7 kilometers away); Gateway to Huronia (approx. 12 kilometers away); The Rick Hansen Bridge (approx. 12.1 kilometers away); The Chippewas of Lakes Huron and Simcoe & the War of 1812
Port Severn Lock image. Click for full size.
cmh2315fl via Flickr (CC BY-NC 2.0), August 3, 2017
3. Port Severn Lock
(approx. 12.2 kilometers away).
 
 
Credits. This page was last revised on April 21, 2022. It was originally submitted on April 21, 2022, by Duane and Tracy Marsteller of Murfreesboro, Tennessee. This page has been viewed 118 times since then and 8 times this year. Photos:   1, 2, 3. submitted on April 21, 2022, by Duane and Tracy Marsteller of Murfreesboro, Tennessee.
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Sep. 4, 2026