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Gilfach Ddu

former workshops of the Dinorwic slate quarry, now the building of the National Slate Museum, Llanberis, Gwynedd, Wales
Place industrial_building Q85025397
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Gilfach Ddu

Summary

Gilfach Ddu is an industrial building[1].

Key Facts

  • Gilfach Ddu is located in Llanddeiniolen[2].
  • Gilfach Ddu is in the country of United Kingdom[3].
  • Gilfach Ddu's instance of is recorded as industrial building[4].
  • Gilfach Ddu took place at Q1638504[5].
  • Gilfach Ddu took place at Llanddeiniolen[6].
  • Gilfach Ddu's occupant is recorded as National Slate Museum[7].
  • 1870 marks the founding of Gilfach Ddu[8].
  • Gilfach Ddu's coordinate location is recorded as {'globe': 'http://www.wikidata.org/entity/Q2', 'altitude': None, 'latitude': 53.1209, 'longitude': -4.11516, 'precision': 2.7777777777777776e-07}[9].
  • Gilfach Ddu's heritage designation is recorded as Grade I listed building[10].
  • Gilfach Ddu sits at an elevation of {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+105'}[11].
  • Gilfach Ddu's historic county is recorded as Caernarfonshire[12].

Body

Geography

Gilfach Ddu is in the country of United Kingdom[3]. It is located in Llanddeiniolen[2].

Physical Characteristics

Gilfach Ddu sits at an elevation of {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+105'}[11].

Designation and Status

Gilfach Ddu's instance of is recorded as industrial building[4]. Its heritage designation is recorded as Grade I listed building[10].

History and Context

1870 marks the founding of Gilfach Ddu[8].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [2] ↑ . Retrieved . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Gilfach Ddu. Retrieved May 3, 2026, from https://4ort.xyz/entity/gilfach-ddu
MLA “Gilfach Ddu.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/gilfach-ddu.
BibTeX @misc{4ortxyz_gilfach-ddu_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Gilfach Ddu}}, year = {2026}, url = {https://4ort.xyz/entity/gilfach-ddu}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Gilfach Ddu — https://4ort.xyz/entity/gilfach-ddu (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/gilfach-ddu · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 3d ago · DanGFSouza · 2026-06-20 view diff on Wikidata ↗
    Heritage designation → Grade I listed building
    Located in the administrative territorial entity → Llanddeiniolen
    Cadw building id → 22656
    British listed buildings id → 300022656
    + 13 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P7772]]: dinorwic-slate-quarry"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.