Glenfinnan Viaduct is a landmark in Glenfinnan, Highland, Scotland, United Kingdom, and a filming location for Harry Potter and the Chamber of Secrets (2002). Built in 1897-1901, it was designed by Robert McAlpine & Sons (contractor); Simpson & Wilson (engineers).
Location: Glenfinnan, Highland, Scotland, United Kingdom
Verified facts
- Located in Glenfinnan, Highland, Scotland
confidence 75/100 · 3 independent sources · SRC-11386, SRC-11387, SRC-13621 - Appeared in Harry Potter and the Chamber of Secrets (movie, 2002)
confidence 75/100 · 3 independent sources · SRC-11386, SRC-11387, SRC-13345 - Built 1897–1901
confidence 85/100 · 3 independent sources · SRC-11386, SRC-16525, SRC-17137 - Designed by Robert McAlpine & Sons (contractor); Simpson & Wilson (engineers)
confidence 85/100 · 3 independent sources · SRC-11386, SRC-16524, SRC-17137 - Historic designation: Category A listed building (designated 4 October 1971)
confidence 85/100 · 3 independent sources · SRC-11386, SRC-16525, SRC-17138
Evidence & sources
- SRC-11386 — https://en.wikipedia.org/wiki/Glenfinnan_Viaduct (Tier 1, reference; retrieved June 2026)
- SRC-11387 — https://www.belmond.com/stories/harry-potter-glenfinnan-viaduct (Tier 3, reference; retrieved June 2026)
- SRC-13345 — PetaPixel (Tier 2, reference; retrieved June 2026)
- SRC-13621 — Historic Environment Scotland — Listed Building record LB310 (Tier 1, reference; retrieved July 2026)
- SRC-16524 — https://www.srm.com/projects/glenfinnan-viaduct/ (Tier 1, reference; retrieved July 2026)
- SRC-16525 — http://portal.historicenvironment.scot/designation/LB310 (Tier 1, reference; retrieved July 2026)
- SRC-17137 — https://www.gracesguide.co.uk/Glenfinnan_Viaduct (Tier 2, reference; retrieved July 2026)
- SRC-17138 — https://www.networkrail.co.uk/stories/repairing-the-world-famous-glenfinnan-viaduct/ (Tier 1, reference; retrieved July 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We show the
street address only for non-residential public landmarks (museums, commercial and civic buildings,
publicly documented filming-location sites); the exact addresses of private residences and any
personal information are structurally barred from publication. Last reviewed June 2026.
Frequently asked questions
Where was Harry Potter and the Chamber of Secrets filmed?
Glenfinnan Viaduct, in Glenfinnan, Highland, Scotland, is a real-world filming location used for Harry Potter and the Chamber of Secrets.
Who designed Glenfinnan Viaduct?
Glenfinnan Viaduct was designed by Robert McAlpine & Sons (contractor); Simpson & Wilson (engineers).
Where is Glenfinnan Viaduct located?
Glenfinnan Viaduct is located in Glenfinnan, Highland, Scotland.