North America’s deepest lakes and reservoirs

The following list identifies the deepest natural and human-made lakes on the North American continent. Any additions, corrections, or suggestions for this list are most welcome.

Great Slave Lake in Canada – Source: spectacularnwt.com
  1. Great Slave Lake, NWT = 2,010 feet

2. Crater Lake, OR = 1,949 feet

3. Lake Tahoe, CA/NV = 1,645 feet

4. Quesnel Lake, BC = 1,511 feet

5. Adams Lake, BC = 1,502 feet

6. Lake Chelan, WA = 1,486 feet

7. Great Bear Lake, NWT = 1463 feet

8. Lake Superior, MI/MN/WI/ON = 1,332 feet

9. Lake Pend Oreille, ID = 1,150 feet

10. Manicouagan Reservoir, QC = 1,146 feet

11. Lake Atitlan, Guatemala = 1,100 feet

12. Lake Clark, AK = 1,056 feet

13. Nimpkish Lake, BC = 1,050 feet

14. lliamna Lake, AK = 988 feet

15. Grand Lake, NL = 985 feet

16. Great Central Lake, BC = 958 feet

17. Tustamena Lake, AK = 950 feet

18. Lake Michigan, MI/IL/IN/WI = 923 feet

19. Bras d’Or Lake, NS = 918 feet

20. Harrison Lake, BC = 916 feet

21. Slocan Lake, BC = 902 feet

22. Lake Winnipegosis, MB = 833 feet

23. Lake Ontario, NY/ON = 802 feet

24. Katmai Crater Lake, AK = 800 feet

25. Athabasca Lake, SK = 797 feet

26. Okanagan Lake, BC = 754 feet

27-28. (tie) Lake Huron, MI/ON and Lago de Ilopango, El Salvador = 750 feet

29. Muncho Lake, BC = 731 feet

30. Reindeer Lake, MB = 710 feet

31. Lake Timiskaming, ON/QC = 709 feet

32. Lake Oroville, CA = 695 feet*

33. Laguna de Apoyo, Nicaragua = 656 feet

34. Dworshak Reservoir, ID = 650 feet

35. Mabel Lake, BC = 630 feet

36. Lake Crescent, WA = 624 feet

37. Seneca Lake, NY = 618 feet

38. Fremont Lake, WY = 610 feet

39-41. (tie) Becharof Lake, AK; Horsefly Lake, BC; and Lake Mistassini, QC = 600 feet

42. Lake Powell, AZ/UT = 580 feet*

43. New Melones Lake, CA = 565 feet*

44. Kenai Lake, AK = 541 feet

45. Lake Nipigon, ON = 540 feet

46. Lake Mead, AZ/NV = 530 feet*

47-48. (tie) Skilak Lake, AK and Shuswap Lake, BC = 528 feet

49. Lago Peten Itza, Guatemala = 525 feet

50. Alouette Lake, BC = 522 feet

51. Shasta Lake, CA = 517 feet*

52. Kootenay Lake, BC = 505 feet

53-54. (tie) Hungry Horse Reservoir, MT and Upper Watertown Lake, MT = 490 feet

55. Lake McDonald, MT = 472 feet

56. Blue Lake, AK = 468 feet

57-59. (tie) Trinity Lake, CA*; Embarrass Mine Pit Lake, MN; and Kalamalka Lake, BC = 465 feet

60-61. (tie) Portsmouth Mine Pit Lake, MN and Carters Lake, GA = 450 feet

62. Tally Lake, MT = 445 feet

63-64. (tie) Detroit Lake, OR and Fontana Lake, NC = 440 feet

65. Jackson Lake, WY = 438 feet

66. Flaming Gorge Reservoir, UT/WY = 436 feet

67. Cayuga Lake, NY = 435 feet

68. Nettilling Lake, NU = 434 feet

69. Lake Ore Be Gone, MN = 433 feet

70. Lake Kachess, WA =430 feet

71. Waldo Lake, OR = 420 feet

72. Fallen Leaf Lake, CA = 415 feet*

73-76. (tie) Lake Roosevelt, WA; Ross Lake, WA; Morrow Point Reservoir, CO*; and Lake Champlain, VT/NY/QC = 400 feet

77. Navajo Lake Reservoir, CO/NM = 395 feet*

78. Yellowstone Lake, WY and Lago Coatepeque, El Salvador = 394 feet

79. St. James Mine Pit Lake, MN = 380 feet

80. West Hawk Lake, MB = 377 feet

81. Rock Lake, WA = 375 feet

82. Flathead Lake, MT = 371 feet

83. Lake Koocanusa, MT = 370 feet

84. Priest Lake, ID = 369 feet

85. Pyramid Lake, NV = 356 feet

86. Lake Memphremagog, VT = 351 feet

87. Wazee Lake, WI = 350 feet

88. Roosevelt Lake, AZ = 349 feet*

89. Blue Mesa Reservoir, CO = 342 feet*

90. Rabbit Lake, MN = 337 feet

91. Cle Elum Lake, WA = 333 feet

92. Ozette Lake, WA = 331 feet

93-94. (tie) Whatcom Lake, WA and Castaic Lake, CA* = 330 feet

95. Lake Willoughby, VT = 328 feet

96. Summersville Lake WV, 327 feet

97. Lake Jocassee, NC/SC = 326 feet

98. Baccarac Lake, MX = 325 feet

99. Wollaston Lake, SK = 319 feet

100. Sebago Lake, ME = 316 feet

101-102. (tie) Anderson Ranch Reservoir, ID and Skaneateles Lake, NY = 315 feet

103. Canisteo Mine Pit Lake, MN = 311 feet

104. Hiwassee Lake, NC = 309 feet

105. Watauga Lake, TN = 305 feet

106. Payette Lake, ID = 304 feet

107. Torch Lake, MI = 302 feet

108-109. (tie) Brownlee Reservoir ID/OR and Saint Mary Lake MT = 300 feet

*Depth impacted by ongoing drought conditions.

SOURCES:

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