Scheduled Monument

Cadzow CastleSM90342

Status: Designated


Where documents include maps, the use of this data is subject to terms and conditions (


Date Added
Last Date Amended
Secular: castle
Local Authority
South Lanarkshire
NS 73443 53764
273443, 653764


The monument comprises the remains of a late medieval castle, which survives as substantial stone structures, earthworks and buried archaeology, together with an area enclosing the outer defences.

The castle is located on a promontory above the deeply wooded gorge of the Avon Water, bounded by steep cliffs to N and E. The main elements of the castle are set below the brow of the hill, below the direct sight-line of any besieging artillery.

Cadzow is rarely mentioned in historic sources, although the architectural evidence'for example, the 'dumb-bell' and 'wide-mouthed' gun loops'suggests that it was built sometime between 1500 and 1550. It is possible that Sir James Hamilton of Finnart began its construction when he was made guardian of the 2nd Earl of Hamilton in 1529, and the earl may have continued work on it himself in the 1540s. The Hamiltons were very much to the fore in the politics of state surrounding Mary Queen of Scots, focussed on Hamilton castle which is located only 2.3km to the N. Cadzow is likely to have been involved in the considerable military activity in the area at this time. The Queen took Hamilton and Craignethan in 1565. Hamilton was taken again in 1568, then in 1570, and finally in 1579 when cannon were employed from Edinburgh Castle. Hamilton castle was demolished at this time and, although no specific mention is made of Cadzow, it is likely to have met a similar fate.

The castle consists of three concentric parts:-

1. Outer ward:' this is a large ditched enclosure to the W and S of the core, roughly triangular in plan and over 300m wide along the line of the ditch. The S part has been heavily disturbed by the construction 19th-century roads. The entire enclosure is currently overgrown with trees and vegetation, almost impenetrable in parts.

2. Middle ward:' the middle ward is now chiefly visible to the W, while the S part is cut through by the roads mentioned above. Masonry structures have been observed to the S of the road, and recorded in the RCAHMS plan. The N range of the middle ward is the best-preserved structure, 32m long with a 9m wide basement, originally with a timber first floor. Both floors had rows of windows, the effect being reminiscent of a barracks.

3. Inner ward:' the inner ward is comprised mainly of an overgrown mound, masking ranges and/or a tower on the cliff-edge. The N façade, above the gorge has been the subject of current repair works following collapse in 1999. The two S corners have projecting cylindrical towers. A vertical shaft is visible at the NW corner, possibly a well. There is evidence of a timber bridge entry on the W side over the rock-cut ditch that divides these two wards. The principle domestic apartments are likely to have been within the inner ward. The large upstanding W-facing wall has a pronounced batter, which is most unusual.

Cadzow may not have been re-occupied following the siege of 1579. The 5th Duke of Hamilton built the hunting lodge of Chatelherault close by, to the NE, in 1732. From then on the rugged picturesque ruins of Cadzow were incorporated into the formal landscaping of the High Parks of Hamilton Palace, providing a gothic counterpoint to the classical symmetry of Chatelherault. Recent archaeological recordings as part of current consolidation works has revealed that the wall heads on the N side of the inner ward had been artificially raised, and that a thick clay capping was spread over the structures here to act as waterproofing. Elsewhere the castle exhibits strong evidence of masonry works to 'romanticise' the ruins in the 18th and 19th century.

This part of the Hamilton High Park was purchased by the Secretary of State for Scotland in 1978. Cadzow Castle remains in the ownership of the Scottish Ministers and is cared for by Historic Scotland.

The area proposed for scheduling comprises the remains described and an area around them within which related material may be expected to be found. The area proposed for scheduling is the same as that of the property in the ownership of the Scottish Ministers. The area is irregular in plan with maximum dimensions of 109m N-S by 186m E-W, as marked in red on the accompanying map. The modern fences are excluded from the scheduling, as is the upper 300mm surface of all modern roads and paths, to allow for their maintenance.

Statement of National Importance

The monument is of national importance as the well-preserved remains of a late medieval castle, designed with artillery defence and offence in mind. This is a relatively rare example of a type of 'hidden' castle, meant as a place of last resort, and as such is comparable with Craignethan Castle, also built by James Hamilton of Finnart. The site has the potential to contain data on the development and form of such castles. The outer ward has the potential to provide important archaeological information regarding the infrastructure of such residences, notably the remains of domestic and ancillary ranges. Moreover, the site is considered to have the potential to inform an understanding of the development of artillery defences, within the context of the last days of medieval castle building. An especially unusual, but also important, aspect of the site is the evidence of works in the post-medieval period to create a romanticised vision of antiquity, forming a key element of the Hamilton High Parks designed landscape. The national importance of the monument is reflected in its status as a Property In Care.



The monument is recorded by RCAHMS as NS75SW2


Kirkdale Archaeology 2001, Cadzow Castle: archaeological interim report 2001.

Pringle D 1992, 'Cadzow Castle and the Castle of Hamilton', Chateau Gaillard XV, 1992, 277-94.

Historic Environment Scotland Properties

Cadzow Castle

Find out more

Related Designations


    Designation Type
    Garden & Designed Landscape

About Scheduled Monuments

Historic Environment Scotland is responsible for the designation of buildings, monuments, gardens and designed landscapes and historic battlefields. We also advise Scottish Ministers on the designation of historic marine protected areas.

Scheduling is the way that a monument or archaeological site of national importance is recognised by law through the Ancient Monuments and Archaeological Areas Act 1979.

We schedule sites and monuments of national importance using the criteria published in the Historic Environment Scotland Policy Statement.

The description and map showing the scheduled area is the legal part of the scheduling. The additional information in the scheduled monument record gives an indication of the national importance of the monument(s). It is not a definitive account or a complete description of the monument(s). The format of scheduled monument records has changed over time. Earlier records will usually be brief and some information will not have been recorded. Scheduled monument consent is required to carry out certain work, including repairs, to scheduled monuments. Applications for scheduled monument consent are made to us. We are happy to discuss your proposals with you before you apply and we do not charge for advice or consent. More information about consent and how to apply for it can be found on our website at

Find out more about scheduling and our other designations at You can contact us on 0131 668 8716 or at


There are no images available for this record, you may want to check Canmore for images relating to Cadzow Castle

There are no images available for this record.

Search Canmore

Printed: 23/01/2019 22:17