Lake Constance
From BiblePortal Wikipedia
Lake Constance [1]
Or
artly in Germany and partly in Switzerland; is about 44 m. long and 9 m. broad at most; is traversed by the Rhine from W. to E., is 1306 ft. above sea-level; is surrounded by vineyards, cornfields, and wooded slopes; its waters are hardly ever frozen, and often rise and fall suddenly.