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Balaton

(Encyclopedia)Balaton băˈlətŏn, Hung. bŏˈlŏtôn [key], lake, 230 sq mi (596 sq km), W central Hungary, at the foot of the Bakony Forest. The Zala River is its main tributary; the lake is drained by the Sió ...

Trasimeno

(Encyclopedia)Trasimeno träzēmāˈnō [key], Lat. Trasimenus, lake, c.50 sq mi (130 sq km), in Umbria, central Italy, W of Perugia. It is also called Lake of Perugia. The shallow circular lake (max. depth 19 ft/6...

Windermere

(Encyclopedia)Windermere wĭnˈdərmēr [key], lake, 10.5 mi (17 km) long and 1 mi (1.6 km) wide, in the Lake District, Cumbria, NW England. It is c.210 ft (60 m) deep and lies among wooded hills near Scafell and o...

Provo, river, United States

(Encyclopedia)Provo, river, c.70 mi (110 km) long, rising in the Uinta Mts., NE Utah, and flowing SW past Provo to Utah Lake. It was early used for irrigation, but after Utah Lake was badly depleted in the 1930s, t...

Calumet Harbor

(Encyclopedia)Calumet Harbor, artificial harbor on Lake Michigan, at the mouth of the Calumet River, NE Ill., in S Chicago. The harbor, dredged to 27 ft (8 m), is formed behind a breakwater extending c.2 mi (3.2 km...

Naivasha

(Encyclopedia)Naivasha nīväˈshä [key], lake, 12 mi (19.3 km) long and 9 mi (14.5 km) wide, W central Kenya, E Africa, in the Great Rift Valley. Large flower farms that supply European flower markets have been d...

Vättern

(Encyclopedia)Vättern vĕˈtərn [key], lake, 733 sq mi (1,898 sq km), c.80 mi (130 km) long and up to 20 mi (32 km) wide, S central Sweden, drained by the Motala Ström E into the Baltic Sea. It is the second lar...

Arrow Lakes

(Encyclopedia)Arrow Lakes, two expansions of the Columbia River, S British Columbia, Canada. Both lie in narrow valleys bounded by mountain ranges and are noted for their beauty. Upper Arrow Lake has an area of 88 ...

Hayes

(Encyclopedia)Hayes, river, c.300 mi (480 km) long, rising in a lake NE of Lake Winnipeg, central Manitoba, Canada, and flowing NE to Hudson Bay. It was the chief route used by Hudson's Bay Company traders from Hud...

Jordan, river, United States

(Encyclopedia)Jordan, river, 60 mi (97 km) long, draining Utah Lake N into Great Salt Lake, N central Utah; it passes through Salt Lake City. Fed by numerous streams flowing off the Wasatch Range, the Jordan is use...