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
Marseilles moraine The Marseilles moraine turns west, at the bluff between Oswego and Yorkville. The Minooka Ridge continues southward to the Illinois River. The Marseilles moraine follows nearly the southeast bluff of Fox River to the mouth of the stream, its outer border being nowhere more than and usually less than from the stream. The width in Kendall County is only 2 or 3 miles, but increases to 5 or 6 miles in northeastern LaSalle County, near the north bluff of the Illinois River. At the Illinois Valley it changes from south-southwest to a south-southeast course. It maintains a to width through