Rattray Marsh with Bradley Museum

Saturday Sept. 19, 2015

Rattray Marsh contains fossils that help form it, abundant wildlife and 100 year old abandoned structures. And that’s just in the corner we explored.  We set out to enjoy the last Saturday of summer and decided to visit the Rattray Marsh.  There is very little parking at the marsh and so we parked at the Bradley Museum.

James Rattray was born in 1887 and after having served in WW1 he made a fortune in the mining industry.  He was friends with Percy and Ida Parker who owned the Riverwood Estate.  In 1945 he bought the Fudger mansion along with 148 acres including the mouth of Sheridan Creek.  The historical atlas shows that the creeks emptying into Lake Ontario along this stretch all had a marsh where they emptied into the lake.  Today, the marsh on Sheridan Creek is the only one left between Toronto and Burlington.  The rest of them have been filled in and when James Rattray died in 1959 developers started making plans to build homes on this one too. The Credit Valley Conservation bought the property in 1972 after local residents petitioned to have the marsh saved.  It was opened as Rattray Marsh Conservation Area in 1975.

The shoreline along this part of the lake is made up of flat stones that have been rounded through years of wave action.  They have been washed up along the beach in a wall known as a shingle bar.  This rock barrier slowed, and sometimes stopped, the flow of Sheridan Creek into the lake.  The waters pooled behind this wall and silt settled on the bottom where aquatic plants took root forming the marsh over time.  The picture below shows the mouth of Sheridan Creek and the rock barrier, or shingles bar, that maintains the marsh.

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The threat to the marsh actually started long before the developers made specific plans to fill it in. Without realizing it they had already initiated a slow process that would do so.  As development occurred on properties upstream the amount of sediment in the marsh increased.  Buildings, roads and parking lots don’t absorb water like fields and forests do. Water runs off quickly and carries soil and other dirt into the creek.  The water slows down in the marsh where this silt settles and quickly buries the natural ecosystem.  To restore the marsh some of this sediment was removed to expose the native soil and allow the seeds trapped inside to germinate.  White carp have also invaded the marsh and are disturbing the sediment on the bottom through their feeding.  This has destroyed plant life and the habitat it provided. The carp have been isolated and are now kept out by fences in the marsh like the one pictured below.

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We did a little beach combing looking for interesting rocks and fossils.  The wall of shingle stones along the shoreline is full of fossils.  The remains of these long-gone creatures now serve to keep the creek out of the lake and helped the marsh to form.  There were many small stones with multiple fossils of worms in them.  We also found one small rock with many tiny shells preserved in it.

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Along the lake shore at the creek mouth there is a deteriorating break wall that was installed to help preserve the marsh from erosion.  A little east of here a large concrete chamber stands looking out over Lake Ontario.  The top is broken off and several small trees are taking root inside.  This was likely built in 1918 when Fudger had the house built on the property,  He was obsessed with fire protection and built his house out of concrete.  This appears to be an old pump house, perhaps part of a fire suppression system.

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Turtlehead flowers grow in moist soil and bloom from late in August through to October. They get their name from the shape of their white, red or pink flowers which look like a turtle with it’s mouth open.  Turtlehead flowers have been used in traditional medicines for centuries.  They make an excellent remedy for skin sores as well as reportedly being used for birth control by some native tribes.  They are a favourite food for white tailed deer like the young male featured in the cover photo.

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Aside from carp, Rattray Marsh has also been invaded by the emerald ash borer.  This little green insect kills 99.9% of all ash trees it comes into contact with.  Unfortunately, most of the tree cover in the marsh and surrounding area is ash.  The picture below shows trees with an orange mark on them.  These are infested with the ash borer and will be cut down and replaced with new plantings.  Trees that are not infected can be protected against the insect at a cost of about $200 per tree for an injection that must be repeated every two years.  Injected trees have a little metal tag on them.

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Returning to the car we checked out the buildings at the Bradley Museum without taking the time to start going into them.

70,000 men women and children left the United States at the end of the War of Independence having fought on the British side. The 50,000 that came to British North America (Canada) were each given a minimum of 100 acres of land. Lewis Bradley was one of 14,000 that moved to New Brunswick, obtaining a land grant near Saint John.  Lewis defaulted by failing to meet his settlement requirements and lost his land grant.  In 1810 he received a new land grant in Upper Canada.  This lot extended from where the Bradley Museum now sits on Orr Road down to the lake.  The Bradleys built a log cabin where they lived until they constructed a larger house in 1830 in which to raise their seven children.  The house was moved to it’s present location north on the same land grant and is now part of a collection of historic buildings.

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This log cabin was built near Mono Mills in the 1850’s and was moved to Port Credit in 1967 as a Scouts project.  After being abandoned it was slated for demolition in 2002 but rescued a second time and moved to the Bradley Museum site where it was again restored.

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There is a barn, driving shed and a three-hole outhouse as part of the collection of historical buildings at the museum which exhibit how some of the business of the farm was conducted in the 1830’s.  The Anchorage is another home that was moved from it’s original location to this display.  The exact date this house was built is unclear.  Family records suggest may have been floated from Toronto in 1816 to where it stood on the lake front until 1978 when it was moved here.  Other stories have it built in the 1820’s on the lake shore.

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Rattray Marsh has other trails and more beach front remaining to be explored, perhaps in some future visit.

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2 thoughts on “Rattray Marsh with Bradley Museum

  1. Pingback: “Long” Weekend Hikes | Hiking the GTA

  2. Pingback: Imperial Oil Lands | Hiking the GTA

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