List of islands of Montana

There are at least 115 named Islands in Montana. These islands occur in rivers, lakes and reservoirs.

Islands east of the Continental Divide

Missouri River

• Archers Island, Chouteau County, Montana, 47°56′39″N 110°26′16″W, el. 2,562 feet (781 m)[1]
• Baker Bar, Chouteau County, Montana, 47°50′20″N 110°37′14″W, el. 2,615 feet (797 m)[2]
• Boggs Island , Chouteau County, Montana, 48°00′48″N 110°16′26″W, el. 2,513 feet (766 m)[3]
• Brule Bar, Chouteau County, Montana, 47°52′44″N 110°30′10″W, el. 2,569 feet (783 m)[4]
• Buckshot Island, Cascade County, Montana, 47°25′53″N 111°21′20″W, el. 3,323 feet (1,013 m)[5]
• Chelsea Island, Roosevelt County, Montana, 48°06′52″N 105°20′07″W, el. 1,972 feet (601 m)[6]
• Council Island, Chouteau County, Montana, 47°44′05″N 109°36′45″W, el. 2,408 feet (734 m)[7]
• Cow Island, Blaine County, Montana, 47°46′20″N 108°56′52″W, el. 2,293 feet (699 m)[8]
• Crow Coulee Bar, Chouteau County, Montana, 47°59′14″N 110°19′47″W, el. 2,529 feet (771 m)[9]
• Duck Island, Valley County, Montana, 48°02′59″N 106°24′52″W, el. 2,044 feet (623 m)[10]
• Evans Bend, Chouteau County, Montana, 47°51′08″N 110°34′28″W, el. 2,608 feet (795 m)[11]
• Fisher Island, Cascade County, Montana, 47°24′35″N 111°18′25″W, el. 3,333 feet (1,016 m)[12]
• Grand Island, Phillips County, Montana, 47°41′51″N 108°48′09″W, el. 2,316 feet (706 m)[13]
• Holmes Council Islands, Fergus County, Montana, 47°44′38″N 109°33′15″W, el. 2,398 feet (731 m)[14]
• Iron City Islands, Fergus County, Montana, 47°44′44″N 109°31′14″W, el. 2,388 feet (728 m)[15]
• Jones Island, Phillips County, Montana, 47°37′25″N 108°35′50″W, el. 2,251 feet (686 m)[16]
• King Island, Fergus County, Montana, 47°37′08″N 108°38′51″W, el. 2,260 feet (690 m)[17]
• Lower Two Calf Island, Phillips County, Montana, 47°38′45″N 108°45′46″W, el. 2,277 feet (694 m)[18]
• Nelson Island, Cascade County, Montana, 47°20′38″N 111°35′13″W, el. 3,350 feet (1,020 m)[19]
• PN Island, Fergus County, Montana, 47°44′12″N 109°38′17″W, el. 2,408 feet (734 m)[20]
• Park Island, Cascade County, Montana, 47°29′01″N 111°18′53″W, el. 3,317 feet (1,011 m)[21]
• Pine Island, Cascade County, Montana, 47°10′52″N 111°48′33″W, el. 3,379 feet (1,030 m)[22]
• Pablo Island, Chouteau County, Montana, 47°45′43″N 109°54′52″W, el. 2,467 feet (752 m)[23]
• Roosevelt Island, Chouteau County, Montana, 47°48′16″N 110°41′23″W, el. 2,628 feet (801 m)[24]
• Sacajawea Island, Cascade County, Montana, 47°31′07″N 111°18′18″W, el. 3,314 feet (1,010 m)[25]
• Scout Island, Valley County, Montana, 48°02′02″N 106°25′30″W, el. 2,057 feet (627 m)[26]
• Shonkin Bar, Chouteau County, Montana, 47°50′42″N 110°36′04″W, el. 2,615 feet (797 m)[27]
• Skinners Island, Roosevelt County, Montana, 48°05′32″N 105°06′56″W, el. 1,952 feet (595 m)[28]
• Steamboat Island, Cascade County, Montana, 47°31′47″N 111°14′27″W, el. 3,251 feet (991 m)[29]
• Sturgeon Island, Blaine County, Montana, 47°47′56″N 109°05′02″W, el. 2,352 feet (717 m)[30]
• Taylor Island, Cascade County, Montana, 47°28′07″N 111°19′01″W, el. 3,323 feet (1,013 m)[31]
• Three Islands, Chouteau County, Montana, 47°58′12″N 110°22′09″W, el. 2,546 feet (776 m)[32]
• Upper Two Calf Island, Phillips County, Montana, 47°39′23″N 108°46′58″W, el. 2,310 feet (700 m)[33]
• White Shield Island, Roosevelt County, Montana, 48°05′03″N 105°03′39″W, el. 1,942 feet (592 m)[34]
• Wolf Island, Chouteau County, Montana, 47°44′23″N 109°52′40″W, el. 2,447 feet (746 m)[35]
• Yorks Islands, Broadwater County, Montana, 46°15′45″N 111°29′28″W, el. 3,855 feet (1,175 m)[36]

Yellowstone River

• Beaver Island, Richland County, Montana, 47°26′05″N 104°20′12″W, el. 1,965 feet (599 m)[37]
• Big Marys Island, Yellowstone County, Montana, 46°00′23″N 107°55′47″W, el. 2,854 feet (870 m)[38]
• Breakneck Island, Richland County, Montana, 47°26′47″N 104°18′41″W, el. 1,946 feet (593 m)[39]
• Buella Island, Richland County, Montana, 47°36′23″N 104°11′42″W, el. 1,913 feet (583 m)[40]
• Cherry Island, Yellowstone County, Montana, 45°49′00″N 108°26′53″W, el. 3,081 feet (939 m)[41]
• Chrome Island, Wibaux County, Montana, 47°20′43″N 104°24′40″W, el. 1,985 feet (605 m)[42]
• Crittenden Island, Richland County, Montana, 47°29′15″N 104°17′02″W, el. 1,932 feet (589 m)[43]
• Devils Island, Richland County, Montana, 47°26′28″N 104°20′02″W, el. 1,946 feet (593 m)[44]
• Diamond Island, Richland County, Montana, 47°35′37″N 104°12′57″W, el. 1,909 feet (582 m)[45]
• Dovers Island, Yellowstone County, Montana, 45°51′24″N 108°23′31″W, el. 3,045 feet (928 m)[46]
• Duck Island, Richland County, Montana, 47°24′56″N 104°20′35″W, el. 1,968 feet (600 m)[47]
• Elk Island, Richland County, Montana, 47°28′13″N 104°18′22″W, el. 1,942 feet (592 m)[48]
• Elms Island, Richland County, Montana, 47°24′13″N 104°21′07″W, el. 1,952 feet (595 m)[49]
• Government Island, Yellowstone County, Montana, 46°09′25″N 107°28′41″W, el. 2,703 feet (824 m)[50]
• Gros Ventre Island, Richland County, Montana, 47°22′38″N 104°23′43″W, el. 1,955 feet (596 m)[51]
• Idiom Island, Richland County, Montana, 47°21′47″N 104°23′59″W, el. 1,972 feet (601 m)[52]
• Howery Island, Treasure County, Montana, 46°14′50″N 107°22′02″W, el. 2,664 feet (812 m)[53]
• Joes Island, Dawson County, Montana, 47°16′08″N 104°31′54″W, el. 2,018 feet (615 m)[54]
• Livingston Island, Park County, Montana, 45°39′38″N 110°32′43″W, el. 4,478 feet (1,365 m)[55]
• Marys Island, Richland County, Montana, 47°23′09″N 104°22′10″W, el. 1,975 feet (602 m)[56]
• Monroe Island, Dawson County, Montana, 46°58′20″N 104°47′22″W, el. 2,083 feet (635 m)[57]
• Pirogue Island, Custer County, Montana, 46°26′26″N 105°49′02″W, el. 2,349 feet (716 m)[58]
• Randalls Island, Yellowstone County, Montana, 46°02′00″N 107°51′09″W, el. 2,825 feet (861 m)[59]
• Schaffer Island, Dawson County, Montana, 47°13′55″N 104°37′47″W, el. 2,011 feet (613 m)[60]
• Seven Sisters Island, Richland County, Montana, 47°33′42″N 104°14′40″W, el. 1,903 feet (580 m)[61]
• Siebeck Island, Park County, Montana, 45°38′28″N 110°33′51″W, el. 4,505 feet (1,373 m)[62]
• Snake Island, Richland County, Montana, 47°21′10″N 104°24′42″W, el. 1,985 feet (605 m)[63]
• Spraklin Island, Yellowstone County, Montana, 45°55′13″N 108°18′30″W, el. 2,995 feet (913 m)[64]
• Westover Island, Carbon County, Montana, 45°35′05″N 109°04′40″W, el. 3,451 feet (1,052 m)[65]

Other waters east of the divide

• Big Island, Sheridan County, Montana, 48°26′50″N 104°23′00″W, el. 1,942 feet (592 m)[66] in Medicine Lake
• Bruces Island, Sheridan County, Montana, 48°28′26″N 104°27′05″W, el. 1,946 feet (593 m)[67] in Medicine Lake
• Far West Island, Big Horn County, Montana, 45°38′04″N 107°40′02″W, el. 2,943 feet (897 m)[68] in the Big Horn River
• Fire Island, Sweet Grass County, Montana, 45°49′16″N 109°56′58″W, el. 4,104 feet (1,251 m)[69] in the Boulder River
• Gull Island, Sheridan County, Montana, 48°27′31″N 104°23′31″W, el. 1,936 feet (590 m)[70] in Medicine Lake
• Long Island, Phillips County, Montana, 48°25′23″N 107°41′46″W, el. 2,211 feet (674 m)[71] in Lake Bowdoin
• Lovell Island, Beaverhead County, Montana, 45°12′02″N 112°40′52″W, el. 5,138 feet (1,566 m)[72] in the Beaverhead River
• Pelican Islands, Phillips County, Montana, 48°24′42″N 107°40′38″W, el. 2,211 feet (674 m)[73] in Lake Bowdoin
• Smith Island, Beaverhead County, Montana, 45°12′20″N 112°40′41″W, el. 5,125 feet (1,562 m)[74] in the Beaverhead River
• The Island, Carter County, Montana, 45°23′10″N 104°04′06″W, el. 3,199 feet (975 m)[75] in the Little Missouri River
• Thunderbird Island, Glacier County, Montana, 48°47′23″N 113°24′51″W, el. 4,488 feet (1,368 m)[76] in Saint Mary Lake
• Youngs Island, Sheridan County, Montana, 48°27′49″N 104°26′47″W, el. 1,949 feet (594 m)[77] in Medicine Lake
• Wild Goose Island, Glacier County, Montana, 48°41′20″N 113°32′23″W, el. 4,488 feet (1,368 m)[78] in Saint Mary Lake
• Woody Island, Phillips County, Montana, 48°24′18″N 107°40′57″W, el. 2,215 feet (675 m)[79] in Lake Bowdoin
• York Island, Garfield County, Montana, 47°55′48″N 106°27′58″W, el. 2,333 feet (711 m)[80] in Fort Peck Lake

Islands west of the Continental Divide

Flathead Lake

• Bird Island, Lake County, Montana, 47°47′59″N 114°04′45″W, el. 2,943 feet (897 m)[81]
• Bull Island, Lake County, Montana, 47°46′14″N 114°06′58″W, el. 2,999 feet (914 m)[82]
• Cedar Island, Lake County, Montana, 47°53′45″N 114°09′58″W, el. 2,940 feet (900 m)[83]
• Cromwell Island, Lake County, Montana, 47°51′01″N 114°15′49″W, el. 3,136 feet (956 m)[84]
• Douglas Islands, Lake County, Montana, 47°56′01″N 114°10′06″W, el. 2,897 feet (883 m)[85]
• Dream Island, Lake County, Montana, 47°48′43″N 114°13′50″W, el. 2,930 feet (890 m)[86]
• Goose Island, Lake County, Montana, 47°56′55″N 114°10′40″W, el. 2,897 feet (883 m)[87]
• Invitation Island, Flathead County, Montana, 48°04′15″N 114°13′01″W, el. 2,897 feet (883 m)[88]
• Melita Island, Lake County, Montana, 47°49′17″N 114°14′08″W, el. 2,936 feet (895 m)[89]
• Little Bull Island, Lake County, Montana, 47°46′05″N 114°07′30″W, el. 2,963 feet (903 m)[90]
• Mary B Island, Lake County, Montana, 47°55′31″N 114°10′08″W, el. 2,897 feet (883 m)[91]
• Rock Island, Lake County, Montana, 47°53′41″N 114°10′17″W, el. 2,910 feet (890 m)[92]
• Shelter Island, Lake County, Montana, 47°53′44″N 114°10′27″W, el. 2,943 feet (897 m)[93]
• Wild Horse Island, Lake County, Montana, 47°50′43″N 114°12′54″W, el. 3,494 feet (1,065 m)[94]

Hungry Horse Reservoir

• Clayton Island, Flathead County, Montana, 48°14′23″N 113°50′10″W, el. 3,642 feet (1,110 m)[95]
• Elk Island, Flathead County, Montana, 48°14′25″N 113°47′53″W, el. 3,596 feet (1,096 m)[96]
• Fire Island, Flathead County, Montana, 48°17′43″N 113°53′49″W, el. 3,602 feet (1,098 m)[97]
• Kelly Island, Flathead County, Montana, 48°15′55″N 113°49′18″W, el. 3,602 feet (1,098 m)[98]
• Lost Island, Flathead County, Montana, 48°12′08″N 113°45′58″W, el. 3,606 feet (1,099 m)[99]

Lake Koocanusa

• Cedar Island, Lincoln County, Montana, 48°38′07″N 115°17′48″W, el. 2,464 feet (751 m)[100]
• Kins Island, Lincoln County, Montana, 48°53′42″N 115°11′44″W, el. 2,464 feet (751 m)[101]
• Murray Island, Lincoln County, Montana, 48°54′11″N 115°11′35″W, el. 2,464 feet (751 m)[102]
• Whites Island, Lincoln County, Montana, 48°56′47″N 115°10′02″W, el. 2,464 feet (751 m)[103]
• Yarnell Island, Lincoln County, Montana, 48°27′30″N 115°17′46″W, el. 2,533 feet (772 m)[104]

Other waters west of the divide

• Deer Island, Flathead County, Montana, 48°07′04″N 114°01′59″W, el. 3,048 feet (929 m)[105] in Echo Lake
• Callows Island, Lincoln County, Montana, 48°15′18″N 115°51′09″W, el. 2,402 feet (732 m)[106] in Bull Lake
• Firemens Island, Flathead County, Montana, 48°08′05″N 114°03′23″W, el. 3,012 feet (918 m)[107] in Echo Lake
• Kelly Island, Missoula County, Montana, 46°51′50″N 114°06′27″W, el. 3,113 feet (949 m)[108] in the Clark Fork River
• Pleasant Island, Flathead County, Montana, 48°09′59″N 114°21′22″W, el. 3,343 feet (1,019 m)[109] in Foy Lake
• Rock Island, Sanders County, Montana, 47°56′26″N 115°42′44″W, el. 2,336 feet (712 m)[110] in Noxon Reservoir
• Scott Island, Lincoln County, Montana, 48°28′48″N 115°53′51″W, el. 1,857 feet (566 m)[111] in the Kootenai River
• Sourdough Island, Missoula County, Montana, 47°06′15″N 113°24′39″W, el. 3,930 feet (1,200 m)[112] in Salmon Lake (Montana)
• Steamboat Island, Sanders County, Montana, 47°35′02″N 115°19′40″W, el. 2,405 feet (733 m)[113] in the Clark Fork River
• The Island, Flathead County, Montana, 48°26′10″N 114°22′50″W, el. 2,999 feet (914 m)[114] in Whitefish Lake

Notes

1. "Archers Island". Geographic Names Information System. United States Geological Survey.
2. "Baker Bar". Geographic Names Information System. United States Geological Survey.
3. "Boggs Island". Geographic Names Information System. United States Geological Survey.
4. "Brule Bar". Geographic Names Information System. United States Geological Survey.
5. "Buckshot Island". Geographic Names Information System. United States Geological Survey.
6. "Chelsea Island". Geographic Names Information System. United States Geological Survey.
7. "Council Island". Geographic Names Information System. United States Geological Survey.
8. "Cow Island". Geographic Names Information System. United States Geological Survey.
9. "Crow Coulee Bar". Geographic Names Information System. United States Geological Survey.
10. "Duck Island". Geographic Names Information System. United States Geological Survey.
11. "Evans Bend". Geographic Names Information System. United States Geological Survey.
12. "Fisher Island". Geographic Names Information System. United States Geological Survey.
13. "Grand Island". Geographic Names Information System. United States Geological Survey.
14. "Holmes Council Islands". Geographic Names Information System. United States Geological Survey.
15. "Iron City Islands". Geographic Names Information System. United States Geological Survey.
16. "Jones Island". Geographic Names Information System. United States Geological Survey.
17. "King Island". Geographic Names Information System. United States Geological Survey.
18. "Lower Two Calf Island". Geographic Names Information System. United States Geological Survey.
19. "Nelson Island". Geographic Names Information System. United States Geological Survey.
20. "PN Island". Geographic Names Information System. United States Geological Survey.
21. "Park Island". Geographic Names Information System. United States Geological Survey.
22. "Pine Island". Geographic Names Information System. United States Geological Survey.
23. "Pablo Island". Geographic Names Information System. United States Geological Survey.
24. "Roosevelt Island". Geographic Names Information System. United States Geological Survey.
25. "Sacajawea Island". Geographic Names Information System. United States Geological Survey.
26. "Scout Island". Geographic Names Information System. United States Geological Survey.
27. "Shonkin Bar". Geographic Names Information System. United States Geological Survey.
28. "Skinners Island". Geographic Names Information System. United States Geological Survey.
29. "Steamboat Island". Geographic Names Information System. United States Geological Survey.
30. "Sturgeon Island". Geographic Names Information System. United States Geological Survey.
31. "Taylor Island". Geographic Names Information System. United States Geological Survey.
32. "Three Islands". Geographic Names Information System. United States Geological Survey.
33. "Upper Two Calf Island". Geographic Names Information System. United States Geological Survey.
34. "White Shield Island". Geographic Names Information System. United States Geological Survey.
35. "Wolf Island". Geographic Names Information System. United States Geological Survey.
36. "Yorks Islands". Geographic Names Information System. United States Geological Survey.
37. "Beaver Island". Geographic Names Information System. United States Geological Survey.
38. "Big Marys Island". Geographic Names Information System. United States Geological Survey.
39. "Breakneck Island". Geographic Names Information System. United States Geological Survey.
40. "Buella Island". Geographic Names Information System. United States Geological Survey.
41. "Cherry Island". Geographic Names Information System. United States Geological Survey.
42. "Chrome Island". Geographic Names Information System. United States Geological Survey.
43. "Crittenden Island". Geographic Names Information System. United States Geological Survey.
44. "Devils Island". Geographic Names Information System. United States Geological Survey.
45. "Diamond Island". Geographic Names Information System. United States Geological Survey.
46. "Dovers Island". Geographic Names Information System. United States Geological Survey.
47. "Duck Island". Geographic Names Information System. United States Geological Survey.
48. "Elk Island". Geographic Names Information System. United States Geological Survey.
49. "Elms Island". Geographic Names Information System. United States Geological Survey.
50. "Government Island". Geographic Names Information System. United States Geological Survey.
51. "Gros Ventre Island". Geographic Names Information System. United States Geological Survey.
52. "Idiom Island". Geographic Names Information System. United States Geological Survey.
53. "Howery Island". Geographic Names Information System. United States Geological Survey.
54. "Joes Island". Geographic Names Information System. United States Geological Survey.
55. "Livingston Island". Geographic Names Information System. United States Geological Survey.
56. "Marys Island". Geographic Names Information System. United States Geological Survey.
57. "Monroe Island". Geographic Names Information System. United States Geological Survey.
58. "Pirogue Island". Geographic Names Information System. United States Geological Survey.
59. "Randalls Island". Geographic Names Information System. United States Geological Survey.
60. "Schaffer Island". Geographic Names Information System. United States Geological Survey.
61. "Seven Sisters Island". Geographic Names Information System. United States Geological Survey.
62. "Siebeck Island". Geographic Names Information System. United States Geological Survey.
63. "Snake Island". Geographic Names Information System. United States Geological Survey.
64. "Spraklin Island". Geographic Names Information System. United States Geological Survey.
65. "Westover Island". Geographic Names Information System. United States Geological Survey.
66. "Big Island". Geographic Names Information System. United States Geological Survey.
67. "Bruces Island". Geographic Names Information System. United States Geological Survey.
68. "Far West Island". Geographic Names Information System. United States Geological Survey.
69. "Fire Island". Geographic Names Information System. United States Geological Survey.
70. "Gull Island". Geographic Names Information System. United States Geological Survey.
71. "Long Island". Geographic Names Information System. United States Geological Survey.
72. "Lovell Island". Geographic Names Information System. United States Geological Survey.
73. "Pelican Islands". Geographic Names Information System. United States Geological Survey.
74. "Smith Island". Geographic Names Information System. United States Geological Survey.
75. "The Island". Geographic Names Information System. United States Geological Survey.
76. "Thunderbird Island". Geographic Names Information System. United States Geological Survey.
77. "Youngs Island". Geographic Names Information System. United States Geological Survey.
78. "Wild Goose Island". Geographic Names Information System. United States Geological Survey.
79. "Woody Island". Geographic Names Information System. United States Geological Survey.
80. "York Island". Geographic Names Information System. United States Geological Survey.
81. "Bird Island". Geographic Names Information System. United States Geological Survey.
82. "Bull Island". Geographic Names Information System. United States Geological Survey.
83. "Cedar Island". Geographic Names Information System. United States Geological Survey.
84. "Cromwell Island". Geographic Names Information System. United States Geological Survey.
85. "Douglas Islands". Geographic Names Information System. United States Geological Survey.
86. "Dream Island". Geographic Names Information System. United States Geological Survey.
87. "Goose Island". Geographic Names Information System. United States Geological Survey.
88. "Invitation Island". Geographic Names Information System. United States Geological Survey.
89. "Melita Island". Geographic Names Information System. United States Geological Survey.
90. "Little Bull Island". Geographic Names Information System. United States Geological Survey.
91. "Mary B Island". Geographic Names Information System. United States Geological Survey.
92. "Rock Island". Geographic Names Information System. United States Geological Survey.
93. "Shelter Island". Geographic Names Information System. United States Geological Survey.
94. "Wild Horse Island". Geographic Names Information System. United States Geological Survey.
95. "Clayton Island". Geographic Names Information System. United States Geological Survey.
96. "Elk Island". Geographic Names Information System. United States Geological Survey.
97. "Fire Island". Geographic Names Information System. United States Geological Survey.
98. "Kelly Island". Geographic Names Information System. United States Geological Survey.
99. "Lost Island". Geographic Names Information System. United States Geological Survey.
100. "Cedar Island". Geographic Names Information System. United States Geological Survey.
101. "Kins Island". Geographic Names Information System. United States Geological Survey.
102. "Murray Island". Geographic Names Information System. United States Geological Survey.
103. "Whites Island". Geographic Names Information System. United States Geological Survey.
104. "Yarnell Island". Geographic Names Information System. United States Geological Survey.
105. "Deer Island". Geographic Names Information System. United States Geological Survey.
106. "Callows Island". Geographic Names Information System. United States Geological Survey.
107. "Firemens Island". Geographic Names Information System. United States Geological Survey.
108. "Kelly Island". Geographic Names Information System. United States Geological Survey.
109. "Pleasant Island". Geographic Names Information System. United States Geological Survey.
110. "Rock Island". Geographic Names Information System. United States Geological Survey.
111. "Scott Island". Geographic Names Information System. United States Geological Survey.
112. "Sourdough Island". Geographic Names Information System. United States Geological Survey.
113. "Steamboat Island". Geographic Names Information System. United States Geological Survey.
114. "The Island". Geographic Names Information System. United States Geological Survey.