Aqueduct over River Loy, Caledonian Canal is a Grade A listed building in the Highland local planning authority area, Scotland. First listed on 3 August 1977.
Aqueduct over River Loy, Caledonian Canal
- WRENN ID
- under-pillar-raven
- Grade
- A
- Local Planning Authority
- Highland
- Constituency
- Inverness, Skye and West Ross-shire MP: Mr Angus MacDonald (LD)
- Country
- Scotland
- Date first listed
- 3 August 1977
- OS grid reference
- NN 149 817
- Coordinates
- 56.89025, -5.03982
- Source
- Historic Environment Scotland listing
Description
This is an aqueduct, built circa 1815 by Thomas Telford, carrying the River Loy beneath the Caledonian Canal. The aqueduct comprises three parallel tunnels, approximately 260 feet long. The central tunnel has a segmental headed arch ring, while the outer tunnels feature round-headed arches. The outer tunnels serve as pedestrian and animal passages, and also function as flood arches when needed. The aqueduct is flanked by high, semi-circular abutments constructed from squared and tooled rubble, topped with tooled rubble copes. Tooled ashlar arch rings are present, along with triangular cutwaters, which have been refaced on the south side with cement rendering. The roadways within the aqueduct are paved with stone cobbles and provide access to fields and farmland situated between the Caledonian Canal and the River Lochy. The aqueduct was statutorily addressed in 2020, and was previously listed as ‘Caledonian Canal, Acqueduct over the River Loy’.
Local climate
Aqueduct over River Loy, Caledonian Canal sits in one of the wettest parts of the UK, with an average of 1,950 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.
It experiences an average of 72 freeze-thaw cycles a year, more than 99% of listed buildings. Of these, 53 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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