Clear Lake topographic map
Interactive map
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Clear Lake
Clear Lake is 19 mi (31 km) by 8 mi (13 km) at its widest point, with a surface area of 43,785 acres (17,719 ha) and a 1,155,000 acre⋅ft (1,425,000 dam3) capacity. Average depth is 27 ft (8.2 m), maximum is 60 ft (18 m), lake elevation is 1,329 ft (405 m), and average water temperature is 40 °F (4 °C) in winter and 76 °F (24 °C) in summer.