Hall Garth moated site, associated drainage channels and fishpond


Heritage Category: Scheduled Monument

List Entry Number: 1013190

Date first listed: 09-Feb-1979

Date of most recent amendment: 12-Sep-1995


Ordnance survey map of Hall Garth moated site, associated drainage channels and fishpond
© Crown Copyright and database right 2018. All rights reserved. Ordnance Survey Licence number 100024900.
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The building or site itself may lie within the boundary of more than one authority.

District: East Riding of Yorkshire (Unitary Authority)

Parish: Twin Rivers

National Grid Reference: SE 82501 22963


Legacy Record - This information may be included in the List Entry Details.

Reasons for Designation

Around 6,000 moated sites are known in England. They consist of wide ditches, often or seasonally water-filled, partly or completely enclosing one or more islands of dry ground on which stood domestic or religious buildings. In some cases the islands were used for horticulture. The majority of moated sites served as prestigious aristocratic and seigneurial residences with the provision of a moat intended as a status symbol rather than a practical military defence. The peak period during which moated sites were built was between about 1250 and 1350 and by far the greatest concentration lies in central and eastern parts of England. However, moated sites were built throughout the medieval period, are widely scattered throughout England and exhibit a high level of diversity in their forms and sizes. They form a significant class of medieval monument and are important for the understanding of the distribution of wealth and status in the countryside. Many examples provide conditions favourable to the survival of organic remains.

Hall Garth moated site is well preserved and is slightly unusual in having two enclosed islands. Stone foundations have been noted there and further evidence of the buildings which were originally present will survive well. Drainage channels and the remains of an associated fishpond also survive well and will retain information on the manner in which the wider water management system operated at this site.


Legacy Record - This information may be included in the List Entry Details.


The monument includes a well preserved medieval moated site located on low- lying ground just south of the River Ouse and measuring approximately 225m by 112m overall. The site has two enclosed islands, one lying north of the other. The northern island measures 50m north-south by 25m east-west and the southern one 31m north-south by 50m east-west. They are clearly visible as raised platforms standing 1m above the surrounding ground surface. The creation of such a raised platform was probably a measure to ensure the site was dry and well drained. Stone foundations, indicating the former existence of buildings, have been noted on the islands.

The two islands are subdivided by a moat ditch measuring 56m long by up to 25m wide and 2.5m deep, although a causeway crosses the centre of this ditch thereby linking the two islands directly. The two inter-linked platforms are enclosed by a main moat measuring approximately 125m long by 25m wide and 2m deep.

Immediately west of the moated site lie a group of associated earthworks which are interpreted as drainage channels and fishponds associated with the main moated site. These remains include a drainage channel extending 50m from the north west corner of the moat. This would have functioned as an inlet or outlet channel to or from the main moated site. A similar ditch also extends for a distance of 50m south from the south east corner of the moat. To the west of the moated site a series of earthworks are less distinct, but are interpreted as the remains of a fishpond associated with the site. The term `fort' on the old six inch Ordnance Survey map refers to a supposed Civil War period fort on the site. There is, at present, no evidence to confirm this identification.

The modern post and wire fences bounding the site and crossing it to the north are excluded from the scheduling, although the ground beneath is included.

MAP EXTRACT The site of the monument is shown on the attached map extract. It includes a 2 metre boundary around the archaeological features, considered to be essential for the monument's support and preservation.


The contents of this record have been generated from a legacy data system.

Legacy System number: 26504

Legacy System: RSM


Books and journals
Le Patourel, H E J, The Moated Sites of Yorkshire, (1973), 126
Johnson, JS, AM7, (1977)
Title: Ordnance Survey 25" Resurvey Source Date: 1962 Author: Publisher: Surveyor:

End of official listing