Holy Well at Approximately 100 Metres South West of Church of Saint Rumon is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 27 November 1985. Holy well.

Holy Well at Approximately 100 Metres South West of Church of Saint Rumon

WRENN ID
muffled-footing-oak
Grade
II
Local Planning Authority
Cornwall
Constituency
Truro and Falmouth MP: Jayne Kirkham (Lab)
Country
England
Date first listed
27 November 1985
Type
Holy well
OS grid reference
SW 893 420
Coordinates
50.24123, -4.95532
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The holy well, located approximately 100 metres south-west of the Church of Saint Rumon in Ruan Lanihorne, is of ancient origin, with its current structure possibly dating back to the Medieval period. It is constructed from slate rubble and features a semi-circular plan. The entrance has a half-round slate stone arch leading to a half-dome vault.

Local climate

Holy Well at Approximately 100 Metres South West of Church of Saint Rumon receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 88% of listed buildings.

It experiences an average of 5 freeze-thaw cycles a year, fewer than 97% of listed buildings. Of these, 2 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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  • 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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Nearby listed buildings

  1. Church of St Rumon Grade I 98 m
  2. Glebe House Grade II 117 m
  3. K6 Telephone Kiosk, Ruanlanihorne Grade II 125 m
  4. Old Parsonage Grade II 204 m
  5. Trethella Farmhouse Grade II 517 m
  6. Sett Bridge Grade II 626 m
  7. Trelonk Farmhouse Grade II 968 m
  8. Church of St Moren Grade II* 1.5 km
  9. Lamorran Manor House Grade II 1.6 km
  10. Church of St Moren Belfrey Grade II* 1.6 km