A public record of the stone in your built environmentExplore the mapBrowse all locationsFor researchersAbout the project
London Pavement Geology — home
Submit a location

Now extended for the rest of the UK

  • Explore
    • Map of all sites
    • Search Locations
  • Browse
  • Submit a Location
  • About
    • About this project
    • Project History
    • Further Reading
    • Useful Links
    • Mobile App
  • Contact

Categories

AllIgneousMetamorphicSedimentaryFossilStructure
 
 
 

Home/Explore the map/Browse A–Z: M

Mill Leet Bridge

Radyr Stone

  • Sedimentary
  • Conglomerate
  • Triassic

This stone is older than it looks. Send it to someone five minutes away.

  • WhatsApp (opens in a new tab)
  • Bluesky (opens in a new tab)
  • X (opens in a new tab)
  • Facebook (opens in a new tab)
  • Email

See the message

Just found Radyr Stone in Mill Leet Bridge.

Triassic conglomerate, quarried at Radyr Quarry, Cardiff, Wales. Nearest stop: Llandaff.

This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/3647-mill-leet-bridge/

Location Details

Back to Map

Location of Geological Feature
At each end of the ornate bridge over the former mill leet in the graveyard of Llandaff Cathedral and connected by a string course of the same material are pillars of dressed Radyr stone.
Rock Type
Conglomerate
Geological Age
Triassic
Quarry Location
Radyr Quarry, Cardiff, Wales
Category
Sedimentary
Nearest station
Llandaff
Address
Llandaff Cathedral CF5 2LA
Building architect
John Prichard
Date of build
C19th
Mill Leet Bridge — Radyr Stone
Radyr Stone at Mill Leet Bridge
    Entry submitted by Michael Statham

Nearby

The closest other recorded buildings.

  • Grave of Bishop OllivantRadyr Stone40 m · about 1 min walk
  • St Padarn's InstituteRadyr Stone370 m · about 6 min walk
  • Rookwood HospitalRadyr Stone590 m · about 9 min walk
  • Lampost base, Insole CourtRadyr Stone680 m · about 11 min walk
  • Llandaff Drinking FountainRed Wilderness Stone690 m · about 11 min walk
  • Insole CourtGwrhyd Pennant Sandstone700 m · about 11 min walk

Suggest an Edit


London Pavement Geology

A public record of the stone in your built environment.

Like the site? Buy us a coffee

Explore

Map of all sitesSearch locationsBrowse every location

Contribute

Submit a locationContact us

About

About this projectProject historyFurther readingUseful links

Funding, sponsorship and supporting institutions

  • Marelambis Ltd.
  • University College London
  • Petroleum Exploration Society of Great Britain
  • Geologists' Association Curry Fund
  • Geoscience Wales
  • The Geological Society
  • London Geodiversity Partnership

With donations from individuals in the oil and gas industry who wish to remain anonymous.

Building stone data by Ruth Siddall, Dave Wallis and contributors. Project founded by Dave Wallis.

Privacy policyCookie policyTerms© 2026 London Pavement GeologyWeb design by Livetech

We would like to use Google Analytics to see which pages people find useful. It sets cookies in your browser, so we only do it if you say yes. Nothing about you is identified individually. What we use and why.