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: H

Harrison Arch

Locharbriggs Sandstone

  • Sedimentary
  • Sandstone
  • Permian-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 Locharbriggs Sandstone in Harrison Arch.

Permian-Triassic sandstone, quarried at Dumfries, Scotland. Nearest stop: Edinburgh Waverley.

This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/3918-harrison-arch/

Location Details

Back to Map

Location of Geological Feature
On Observatory Road, the arch is built of red aeolian sandstone.
Rock Type
Sandstone
Geological Age
Permian-Triassic
Quarry Location
Dumfries, Scotland
Category
Sedimentary
Nearest station
Edinburgh Waverley
Address
Observatory Road
Building architect
Sydney Mitchell
Date of build
1888
Find out more
Stone identified by Al McGowan.
Harrison Arch — Locharbriggs Sandstone
    Entry submitted by Al McGowan

Nearby

The closest other recorded buildings.

  • Royal Commonwealth PoolFossil fish1.6 km · about 26 min walk
  • University Main LibraryPortland Stone2.1 km · about 32 min walk
  • Statue of Greyfriar's BobbyShap Granite2.5 km
  • National Museum of ScotlandClashach Sandstone2.5 km
  • Chambers StreetCaithness Stone2.6 km
  • Statue of PlayfairLocharbriggs Sandstone2.6 km

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.