What basin does the lake that the Argen river flows into belong to?
Argen The Argen is a river in Baden-Württemberg, Germany. It flows into Lake Constance between Kressbronn am Bodensee and Langenargen as the third largest tributary to the lake. It is 23.4 km long; if one includes the Upper Argen, the combined length is 51.4 km .
Suldalslågen The Suldalslågen (or locally, "Lågen") is a river that is located in the municipality of Suldal in Rogaland county, Norway. The 22 km long river runs from the lake Suldalsvatnet to the southwest to the village of Sand where it empties into the Sandsfjorden. The Norwegian National Road 13 runs along the river, past the villages of Suldal and Sand.