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Chapter 2 - Description
A. Description of property

Element 01 – Rideau Canal


< Lower Brewers Lockstation   Element 02– Fort Henry Kingston >

Kingston Mills Lockstation

Kingston Mills Lockstation
At Kingston Mills Lockstation, the terrain dictated a complex layout for the lockstation. The original falls were dammed and the water controlled to support mills and now a powerhouse.
© Parks Canada

195,0 km – 195,5 km

At Kingston Mills Lockstation, the Cataraqui River descends from Colonel By Lake to the Cataraqui Estuary, over a series of rocky ledges. A high stone arch dam with a weir, is located across the original course of the river at the head of the falls. Long earthen dams on each side of the stone arch dam hold back the water of Colonel By Lake. The locks were built in a side channel west of the main channel of the river. The upper lock is attached to the south end of the stone arch dam. Below the upper lock, a large basin used for steamship repair still exists. The lower three locks are constructed in flight, with the lowest lock ending the canal at the level of Lake Ontario.

Cultural Resources

Four locks – One manually operated lock separated from the three locks in flight by a large turning basin. The locks have a combined lift of 14,8 m, 1830. CRM1.

Stone arch dam – A dam, 120 m long and 9 m high, with a weir on the north end, 1830. CRM1.

Two earth embankment dams – One on each side of the stone arch dam. The westerly dam is 800 m long, the easterly 600 m long, 1830. CRM1.

Weir – A masonry stoplog weir with one bay, 1830. CRM1.

Blockhouse – A two-storey building, the ground floor is stone, the second, frame, 1833. CRM1.

Lockmaster’s house – A small frame building, 1925. CRM2.

The lower lock at Kingston Mills is the final lock on the Rideau Canal
The lower lock at Kingston Mills is the final lock on the Rideau Canal. From here, the Cataraqui River flows directly to Lake Ontario.
© Parks Canada
The blockhouse at Kingston Mills
The blockhouse at Kingston Mills dominated the surrounding terrain. It has been restored to tell the story of its military use.
© Parks Canada
The natural river course was blocked by this stone arch dam
The natural river course was blocked by this stone arch dam and 1,4 km of earth embankment dams to create the slackwater section known as Colonel By Lake.
© Parks Canada
The natural river course was blocked by this stone arch dam
The turning basin between the upper lock and the flight of three locks was used for repairing steam ships.
© Parks Canada

Kingston Mills Lockstation to Lake Ontario

Cataraqui River
The navigable route of the Cataraqui River below Kingston Mills is narrow but soon winds its way into the Cataraqui marsh.
© Parks Canada

195,5 km – 202,1 km

The Cataraqui River flows south from the lockstation under Highway 401 and through a large wetland (the Cataraqui Marsh), before it empties into Lake Ontario at Kingston (population 126 000).











 

 

The Cataraqui River estuary broadens
The Cataraqui River estuary broadens into the marshes and then enters the City of Kingston where it forms the inner harbour.
© Parks Canada

 

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