The Light fountain of the Exposición Regional Valenciana was a large fountain and square built for the Valencia Regional Exhibition of 1909. It was one of the most expensive buildings of the exhibition with a cost of 209,000 pesetas.[1] The fountain was designed with two 20 meter tall towers with curved staircases flanking the water of the fountain.
The design was unique for linking together electricity and water to create a light show at night. This functionality was not operational until two months after the opening of the Valencian exhibition. High maintenance costs caused it to be scarcely used.[2] Like other buildings at the exhibition, they were destroyed when the land was returned to the landowner.