Funicular de Larreineta Monument · Valle de Trápaga-Trapagaran, Bilbo Handia / Gran Bilbao, Bizkaia Funicular built between 1921 and 1926 to carry iron ore from the mines in the upper area down to the lower part of the valley; it remains in service today as passenger transport. 1921-1926 Photo: Etxaburu (CC BY-SA 4.0) What to see and do in Valle de Trápaga-Trapagaran