Both the mouth of the Atran and which sea flow into Kattegat?
Ätran (river) Ätran is a Swedish river. The river is about 240 km long, and has its source in Gullered, Västergötland, at a height of 332 m above sea level. The river has its mouth in Falkenberg, Halland, where the river enters Kattegat.
Amburayan River Amburayan River is a river in the island of Luzon in the Philippines. It originates from the Cordillera mountains and traverses the provinces of Benguet, La Union, and Ilocos Sur, where it empties into the South China Sea.