Yarms position in the bend of the River Tees made it vulnerable to flooding, this marker on the Town Hall shows the height of the March 10th 1881 flood waters.
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There is a second higher marker for September 17th 1771, although this is currently hidden by a wooden panel in the doorway.
Yarm 1881 Flood Marker
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This photo is next to useless as it shows neither the context in relation to the building nor the actual height of the water above ground level.
Above the chap at the crossings head.
There is another ‘marker’ on a house in High Church Wynd, west of the Townhouse