Plean Tower

Tower House

Site Name Plean Tower

Classification Tower House

Alternative Name(s) Mengie Castle; Menzies Castle; Plane Castle

Canmore ID 46901

Site Number NS88NW 8

NGR NS 84984 86967

Datum OSGB36 - NGR

Ordnance Survey licence number 100020548. All rights reserved.
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Administrative Areas

  • Council Stirling
  • Parish St Ninians
  • Former Region Central
  • Former District Stirling
  • Former County Stirlingshire

Archaeology Notes

84984 86967

(NS 8499 8697) Tower (NR)

OS 6" map (1968)

Plean Tower is the most prominent feature of a group of buildings sometimes known as Menzies Castle (Plean Castle on OS 6" plan). It is a small rectangular tower-house, built in the second half of the 15th c. During the following century, a courtyard was added to the S of the tower, but of this only a few fragments of walling survive, together with the range of buildings that formed its W side. Though ruined by the end of the 19th century, shortly afterwards, the tower was extensively restored, raised a storey in height, and made habitable. The uppermost parapet today gives the tower the appearance of a folly.

Though only the lowest storey of the W range survives, originally it rose to at least two storeys. None of the buildings is inhabited today, but some are used for storage.

RCAHMS 1963, visited 1956

The tower and outbuildings are generally as described.

Visited by OS (DWR) 31 January 1974

NS 849 869 This tower is probably datable to the second half of the 15th century. A courtyard and further buildings were added in the 16th century, but of these only the lower storey of the W range now survives. RCAHMS 1979, visited August 1978

RCAHMS 1963

A small excavation was carried out in April 1992 and a watching brief was undertaken throughout the course of the year monitoring the restoration of the tower and repairs to the W range.

The work was carried out by the author and members of the Glasgow Archaeology Society and ACFA.

The excavation concentrated on the courtyard and the passageway of the W range with additional trial trenches both within and outwith the W range. The trench was largely bedrock with a thin covering of mixed topsoil. The passage linking the two vaults and the kitchen of the W range was uncovered and proved to be cut into the bedrock with a pronounced step some 0.35m deep, the outer wall where it survived at the N end consisted of a thin skin covering the bedrock. The passageway was filled with modern disturbed material probably the result of the extensive renovations that were undertaken between 1908-11. At the base of this material several sherds of late medieval Reduced Green Glaze pottery were recovered suggesting that this was undisturbed. This consisted of mortar foundations for a possible flagstone floor, the foundations of the outer wall also survived.

At the S end of this passage the foundations of a small building were uncovered, possibly a stair tower leading to the upper floors of the W range. Unfortunately this only survived as a foundation base with no internal architectural features.

The various trial trenches within the vaults revealed that the floors had been removed leaving the rubble core of the foundations. The trench outwith the W range uncovered a large Victorian midden containing clay pipes, pottery and various glass bottles.

Sponsor: J P Wright, 102 Haggs Road, Pollokshields, Glasgow

R Will 1993

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