Lac Seul

Lac Seul is a large, crescent-shaped reservoir in Kenora District, northwestern Ontario, Canada. It is approximately 241 km (150 mi) long. It has a maximum (regulated) depth of 47.2 m, with a surface elevation of 357 m above sea level. Its level is raised in the summer and then drawn down in the winter months to reach points of as low as 4.9 m below the maximum level. It is the second largest body of water entirely within the province of Ontario (Lake Nipigon being first). The lake consists of open-water bays, narrow channels, and islands. It is a relatively shallow lake with many rock shoals. This provides a good habitat for walleye (also known as "yellow pickerel") and northern pike as well as yellow perch. During the Lac Seul project of 1968-1972 no muskelunge were noted in the catches of research nets set over those years. Significant numbers of whitefish, tullibee, burbot, walleye, northern pike, perch, fighting muskies, and cisco were noted as well, although they infrequently were noted in the sport fishery. Lac Seul is noted for offering some of the best fishing in Ontario. Lac Seul is located on the former lakebed of Glacial Lake Agassiz. Owing to this previous lake, much of the bottom of Lac Seul is covered with thick deposits of lacustrine silts and varved clay of varying thickness. The water of Lac Seul is tea colored. In clear water Walleye only feed at dusk and d

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