NS4572 : Erskine Crannog

taken 8 years ago, near to Erskine Bridge, Renfrewshire, Great Britain

Erskine Crannog
Erskine Crannog
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The present photograph shows the whole width of the crannog. I also examined it more closely, although I was careful not to step into the interior, where delicate timber remains might have been damaged.

Remains of several marine crannogs have been found in the intertidal zone in the Firth of Clyde. The best preserved of these is NS4173 : Dumbuck Crannog. The others are NS4073 : Westferry crannog (also known as Langbank East Crannog), and NS3873 : Langbank west crannog. Erskine Crannog and the three others just mentioned are the main marine crannog sites in the firth.

The distant obelisk of NS4373 : The Henry Bell Monument can be seen on the other shore of the Clyde, near the left-hand edge of the image. The NS4474 : Hill of Dun is behind the right-hand edge of the crannog. Dumbuck Hill (NS4274 : Dumbuck Quarry) is above the crannog's left-hand edge (compare NS4274 : Dumbuck Hill, Dunbartonshire, where the hill shows a similar profile). Sheep Hill (NS4374), site of a vitrified Iron Age fort, is between them, above a point to the left of the crannog's centre.
Erskine Crannog
Crannogs are "partly or wholly man-made islands which supported timber buildings". Erskine Crannog is exposed for about four hours at low tide. See LinkExternal link (at Canmore) for archaeological details.

The more familiar lochside variety of crannog was located out in the water, and was connected to the shore by a causeway. However, the marine crannogs seem to have been different in this respect; a report entitled "Coastal Zone Assessment Survey: Firth Of Clyde & Isle Of Bute" (Report No. 876) by CFA Archaeology, on behalf of Historic Scotland, cites Alex Hales' "Marine Crannogs: previous work and recent surveys" (2000; Proc Soc Antiq Scot, 130, 537-558) and notes that:

"The work carried out at Dumbuck suggested that this site, and possibly Langbank West were built on the end of promontory features, projecting into the water from palaeoshorelines. By way of contrast, Erskine was built on a raised area adjacent to deeper-water channels suitable for access by shallow-draught boats, such as log boats, even at low tide."

There are several other crannogs in the inner estuary of the River Clyde:

● Dumbuck Crannog LinkExternal link at NS41577392; see LinkExternal link at Canmore;
● Langbank East Crannog (or Westferry Crannog) at NS40507318; see LinkExternal link at Canmore;
● Langbank West Crannog at NS38147355; see LinkExternal link at Canmore;
● See LinkExternal link at Canmore for another report, but note the comments there from 2015.
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NS4572, 51 images   (more nearby )
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Date Taken
Sunday, 20 June, 2010   (more nearby)
Thursday, 1 July, 2010
Geographical Context
Historic sites and artefacts  Estuary, Marine 
Period (from Tags)
Iron Age 
River (from Tags)
Crannog   (more nearby)
Subject Location
OSGB36: geotagged! NS 4547 7291 [10m precision]
WGS84: 55:55.4618N 4:28.4809W
Camera Location
OSGB36: geotagged! NS 4551 7288
View Direction
Northwest (about 315 degrees)
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Other Tags
Archaeology  Crannog 

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