Switzerland the main source and outflow of Lake Geneva. Lake Constance is the second largest Swiss lake and, like the Lake Geneva, an intermediate step by the Rhine at the border to Austria and Germany. While the Rhône flows into the Mediterranean Sea at the French Camargue region and the Rhine flows into the North Sea at Rotterdam in the Netherlands, about apart, both springs are only about apart from each other in the Swiss Alps. 48 of Switzerland's mountains are above sea in altitude or higher. At , Monte Rosa is the highest, although the Matterhorn () is often regarded
Powell River (Tennessee River tributary) Powell River (Tennessee River tributary) The Powell River in the United States rises in southwest Virginia and flows into East Tennessee. The river rises in rural Wise County, Virginia, near the Laurel Grove community northwest of Norton and flows for several miles before the confluence with Roaring Fork in the Kent Junction community. From Kent Junction the river flows 187 miles (301 km) and drains approximately 954 square miles (2,471 km) in both Virginia and Tennessee before reaching its confluence with the Clinch River in the Norris Lake reservoir at the site of the now-submerged town of Grantsboro. Powell River