The Serpis train Historical milestone · Gaianes, El Comtat, Alicante Image of Gaianes, not of the place itself. The Alcoi-Gandia line, opened in 1893 with British capital, climbed the valley of the Serpis with tunnels and viaducts and had a halt in the district. It served the textile and paper industry of the mountains until its definitive closure in 1969. 1893-1969 Photo: Joanbanjo (CC BY-SA 3.0) What to see and do in Gaianes