Approximately 1,269 km2 ( 490 sq mi ) in area , the lake is roughly 201 km ( 125 mi ) long , and 23 km ( 14 mi ) across at its widest point .
Approximately 1269 km ² ( 490 square miles ) in area , the lake is about 201 km ( 125 miles ) long , and 23 km ( 14 miles ) across at its widest point .