Padarn, named after the lower lake at Llanberis - but previously Sir Harmood, after the chairman of the Snowdon Mountain Railway, Sir John Sutherland Harmood Banner - is an engine operating on the Snowdon Mountain Railway. Padarn was built at the Swiss Locomotive and Machine Works in Winterthur, Switzerland in 1922.
- Built- 1923
- Designer- Winterthur
- Builder- Winterthur
- Arrived on the Snowdon Mountain Railway- 1923
- Original Railway- Snowdon Mountain Railway