After H.G. Kirsebom from Kristiansand bought Tinfos Paper Mill in 1882, he opened a horse railway to transport pulp down to Notodden quay for shipment. Timber was sent back from the quay to the paper mill. The narrow-gauged railway (780 millimetre) followed the east side of the river Tinnåas closely.
Rail trail
In 1914 an electric locomotive was used, named "Trikken" (en: the tram. The mill also bought two diesel locomotives in the beginning of the 1930s, including "Tinfos", which was transferred to the Urskog-Høland Line in 1951. The railway closed in 1972 and the corridor is today a rail trail.
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