Bontnewydd is an unstaffed halt on the narrow gauge Welsh Highland Railway. The halt was opened on 31 May 1999 on the petition of the villagers of Bontnewydd, and is between Caernarfon and Dinas on the Lôn Eifion cycle route. It is a request stop with no station buildings and a single low platform. The train services are operated by the Festiniog Railway Company.

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A halt existed here on the horse-drawn Nantlle Railway from 1856 to 12 June 1865. From the outset timetables appeared regularly in the Carnarvon & Denbigh Herald and in Bradshaw from October 1856.