The River Alpheus is a significant river in the western part of Greece. It flows through the region of Arcadia and is known for its clear waters and picturesque landscapes. The river is approximately 110 kilometers long and eventually empties into the Ionian Sea. The Alpheus is also famous in mythology, particularly in the story of Artemis and Arethusa. According to legend, the river was transformed into a river god who pursued the nymph Arethusa, leading to a tale of love and transformation that has been recounted through the ages.