Main Page | See live article | Alphabetical index Lower Mar Valley Falls, known in Norwegian as Ostra Mardola Fossen (or Ostra Mardalsfossen) is one of the ten highest waterfalls in the world. It is the fourth highest in Norway, after Utigardsfossen, Mongefossen and Tyssestrengene. The water, which has been tapped for hydroelectric use, flows over the falls during the summer tourist season. At other times the water is channeled through the hydroelectric scheme. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.