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Castle Lachlan

Castle (Medieval)

Site Name Castle Lachlan

Classification Castle (Medieval)

Alternative Name(s) Old Castle Lachlan; Strathlachlan Policies

Canmore ID 40549

Site Number NS09NW 1

NGR NS 00527 95280

NGR Description Centred on NS 00527 95280

Datum OSGB36 - NGR


Ordnance Survey licence number 100057073. All rights reserved.
Canmore Disclaimer. © Copyright and database right 2018.

Digital Images

Administrative Areas

  • Council Argyll And Bute
  • Parish Strathlachlan
  • Former Region Strathclyde
  • Former District Argyll And Bute
  • Former County Argyll

Archaeology Notes

NS09NW 1 00527 95280

Not to be confused with the country house of the same name (at NS 01298 95563), for which see NS09NW 26.

(NS 0052 9526) Castle (NR) (In Ruins)

OS 6" map (1900)

Castle Lachlan, which is probably of 15th century date is of a peculiar form. Externally, its appearance is of a great keep, 70' N-S by 54' transversely, standing 43' high; but on going inside, it is found to consist of two tenements, on the E and W sides of a narrow open court, 12'6" wide by 34'3" long. These two blocks are connected at the N end by a small building containing a room 8' by 7' and a small wheel-staircase. The castle was occupied by the Maclachlans till 1746, when attacked by a government warship; though little damage was done, its occupants fled, and it was never again occupied.

D MacGibbon and T Ross 1889

Generally as described. The N and S corners have fallen.

Visited by OS (DWR) 29 November 1972

Architecture Notes

This site has only been partially upgraded for SCRAN. For full details, please consult the Architecture Catalogues for Argyll and Bute District.

March 1998


Watching Brief (14 March 2013)

NS 00527 95280 A watching brief was carried out, 14 March 2013, during the construction of external and internal scaffolding at Old Lachlan Castle. No finds or features of archaeological significance were observed.

Archive: Argyll Archaeology

Funder: Historic Scotland

Clare Ellis, Argyll Archaeology, 2013

(Source: DES)

Watching Brief (August 2015)

NS 00530 95280 A narrow trench 0.4 x 3.5m was hand excavated in August 2015 through the ramp leading up to the entrance of Old Castle Lachlan in order that the collapsing retaining wall could be manually pushed upright and consolidated. The ramp was shown to consist of loose stone rubble. The retaining wall had been rebuilt and added to on a number of occasions and the latest phase of rebuilding incorporated some of the ramp rubble into the rough foundation. Various 19th-century artefacts including a roof slate, broken bottle glass and ceramics were recovered from the topsoil.

Archive: National Record of the Historic Environment (NRHE) intended

Funder: LTM Group

Clare Ellis – Argyll Archaeology

(Source: DES, Volume 16)


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