Rank Mountain peak Mountain range Elevation Prominence Isolation Location 1 Borah Peak [6] [7] [8] [9] [lower-alpha 1] Lost River Range 12,668 ft 3861.2 m 6,002 ft 1829 m 150.8 mi 243 km 44°08′15″N 113°46′52″W / 44.1374°N 113.7811°W / 44.1374; -113.7811 (Borah Peak ) 2 Diamond Peak [13] [14] [15] [16] [lower-alpha 3] Lemhi Range 12,202 ft 3719.3 m 5,387 ft 1642 m 31.8 mi 51.2 km 44°08′29″N 113°04′58″W / 44.1414°N 113.0827°W / 44.1414; -113.0827 (Diamond Peak ) 3 She Devil [125] [126] [127] [lower-alpha 25] [lower-alpha 26] Seven Devils Mountains 9,424 ft 2873 m 5,240 ft 1597 m 31.5 mi 50.6 km 45°19′26″N 116°32′26″W / 45.3240°N 116.5406°W / 45.3240; -116.5406 (She Devil ) 4 Hyndman Peak [17] [18] [19] [20] [lower-alpha 4] Pioneer Mountains 12,012 ft 3661.4 m 4,829 ft 1472 m 30.1 mi 48.5 km 43°44′58″N 114°07′52″W / 43.7494°N 114.1311°W / 43.7494; -114.1311 (Hyndman Peak ) 5 Scotchman Peak [144] [145] [146] [147] Cabinet Mountains 7,017 ft 2138.7 m 4,669 ft 1423 m 17.99 mi 29 km 48°11′21″N 116°04′53″W / 48.1891°N 116.0813°W / 48.1891; -116.0813 (Scotchman Peak ) 6 Cache Peak [78] [79] [80] [81] [lower-alpha 16] Albion Range 10,343 ft 3152.5 m 4,479 ft 1365 m 81.8 mi 131.6 km 42°11′08″N 113°39′40″W / 42.1856°N 113.6611°W / 42.1856; -113.6611 (Cache Peak ) 7 Scott Peak [41] [42] [43] [44] [lower-alpha 8] Beaverhead Mountains 11,398 ft 3474.2 m 4,243 ft 1293 m 19.56 mi 31.5 km 44°21′13″N 112°49′16″W / 44.3536°N 112.8211°W / 44.3536; -112.8211 (Scott Peak ) 8 Black Pine Mountains high point [128] [129] [lower-alpha 27] Black Pine Mountains 9,389 ft 2861.7 m 4,095 ft 1248 m 20.1 mi 32.3 km 42°08′20″N 113°07′33″W / 42.1389°N 113.1259°W / 42.1389; -113.1259 (Black Pine Mountains high point ) 9 Castle Peak [23] [24] [25] [lower-alpha 5] White Cloud Mountains 11,812 ft 3600.4 m 4,035 ft 1230 m 27.3 mi 44 km 44°02′25″N 114°35′19″W / 44.0402°N 114.5887°W / 44.0402; -114.5887 (Castle Peak ) 10 Oxford Peak [133] [134] [135] [136] [lower-alpha 30] Bannock Range 9,285 ft 2830.2 m 4,012 ft 1223 m 26.6 mi 42.8 km 42°16′11″N 112°05′52″W / 42.2696°N 112.0979°W / 42.2696; -112.0979 (Oxford Peak ) 11 White Mountain West [74] [lower-alpha 12] [lower-alpha 13] Salmon River Mountains 10,447 ft 3184 m 3,772 ft 1150 m 29.6 mi 47.6 km 44°34′30″N 114°29′45″W / 44.5749°N 114.4959°W / 44.5749; -114.4959 (White Mountain West ) 12 Sedgwick Peak [140] [141] [142] [143] [lower-alpha 33] Portneuf Range 9,176 ft 2796.8 m 3,642 ft 1110 m 19.19 mi 30.9 km 42°30′57″N 111°55′24″W / 42.5157°N 111.9234°W / 42.5157; -111.9234 (Sedgwick Peak ) 13 Mount McGuire [103] [104] [105] [lower-alpha 22] Salmon River Mountains 10,087 ft 3074.6 m 3,542 ft 1080 m 39.7 mi 64 km 45°10′27″N 114°36′08″W / 45.1742°N 114.6021°W / 45.1742; -114.6021 (Mount McGuire ) 14 Elkhorn Peak [148] [149] [150] [151] Bannock Range 9,095 ft 2772.3 m 3,515 ft 1071 m 12.63 mi 20.3 km 42°20′02″N 112°19′43″W / 42.3340°N 112.3285°W / 42.3340; -112.3285 (Elkhorn Peak ) 15 Sturgill Peak [152] [153] [154] [lower-alpha 34] Hitt Mountains 7,593 ft 2314.3 m 3,449 ft 1051 m 13.06 mi 21 km 44°37′12″N 116°56′36″W / 44.6200°N 116.9433°W / 44.6200; -116.9433 (Sturgill Peak ) 16 South Lost River Range high point [57] [58] [lower-alpha 10] Lost River Range 11,086 ft 3379 m 3,444 ft 1050 m 9.33 mi 15.02 km 43°55′45″N 113°20′07″W / 43.9291°N 113.3353°W / 43.9291; -113.3353 (South Lost River Range high point ) 17 Buffalo Hump [155] [156] [157] [158] Clearwater Mountains 8,942 ft 2725.6 m 3,438 ft 1048 m 33.1 mi 53.3 km 45°37′14″N 115°41′57″W / 45.6205°N 115.6993°W / 45.6205; -115.6993 (Buffalo Hump ) 18 Bonneville Peak [137] [138] [139] [lower-alpha 31] [lower-alpha 32] Portneuf Range 9,275 ft 2827 m 3,401 ft 1037 m 34.1 mi 54.9 km 42°45′48″N 112°08′28″W / 42.7633°N 112.1411°W / 42.7633; -112.1411 (Bonneville Peak ) 19 Mount Jefferson [92] [93] [94] [95] [lower-alpha 18] [lower-alpha 19] Bitterroot Range 10,216 ft 3113.7 m 3,383 ft 1031 m 11.2 mi 18.02 km 44°33′43″N 111°30′18″W / 44.5620°N 111.5049°W / 44.5620; -111.5049 (Mount Jefferson ) 20 South Selkirk Crest [159] [lower-alpha 35] Selkirk Mountains 7,719 ft 2353 m 3,375 ft 1029 m 29.5 mi 47.5 km 48°50′44″N 116°33′16″W / 48.8455°N 116.5544°W / 48.8455; -116.5544 (South Selkirk Crest ) 21 Smoky Dome [99] [100] [101] [102] [lower-alpha 21] Soldier Mountains 10,096 ft 3077.4 m 3,275 ft 998 m 16.98 mi 27.3 km 43°29′36″N 114°56′10″W / 43.4933°N 114.9362°W / 43.4933; -114.9362 (Smoky Dome ) 22 Queen Mountain [160] [161] [162] [163] Purcell Mountains 6,116 ft 1864.2 m 3,252 ft 991 m 8.62 mi 13.87 km 48°52′42″N 116°12′54″W / 48.8782°N 116.2150°W / 48.8782; -116.2150 (Queen Mountain ) 23 Deep Creek Peak [164] [165] [166] [167] [lower-alpha 36] Deep Creek Mountains 8,752 ft 2667.7 m 3,248 ft 990 m 19.26 mi 31 km 42°28′17″N 112°39′22″W / 42.4713°N 112.6560°W / 42.4713; -112.6560 (Deep Creek Peak ) 24 Ryan Peak [26] [27] [28] [29] [lower-alpha 6] Boulder Mountains 11,720 ft 3572.2 m 3,214 ft 980 m 12.97 mi 20.9 km 43°54′09″N 114°24′35″W / 43.9024°N 114.4096°W / 43.9024; -114.4096 (Ryan Peak ) 25 Cinnabar Mountain [168] [169] [170] [lower-alpha 37] Owyhee Mountains 8,409 ft 2563.2 m 3,133 ft 955 m 71.5 mi 115.1 km 42°58′50″N 116°39′27″W / 42.9805°N 116.6575°W / 42.9805; -116.6575 (Cinnabar Mountain ) 26 North Loon Mountain [130] [131] [132] [lower-alpha 28] [lower-alpha 29] Salmon River Mountains 9,326 ft 2843 m 2,974 ft 906 m 31.7 mi 51.1 km 45°06′45″N 115°52′22″W / 45.1125°N 115.8728°W / 45.1125; -115.8728 (North Loon Mountain ) 27 Dickey Peak [53] [54] [55] [56] Lost River Range 11,146 ft 3397.3 m 2,823 ft 860 m 4.49 mi 7.22 km 44°13′45″N 113°53′01″W / 44.2293°N 113.8835°W / 44.2293; -113.8835 (Dickey Peak ) 28 Smiley Mountain [37] [38] [39] [40] Pioneer Mountains 11,511 ft 3508.6 m 2,648 ft 807 m 11.28 mi 18.15 km 43°41′58″N 113°48′36″W / 43.6994°N 113.8100°W / 43.6994; -113.8100 (Smiley Mountain ) 29 Big Creek Peak [45] [46] [47] [48] Lemhi Range 11,355 ft 3461.1 m 2,517 ft 767 m 22.4 mi 36.1 km 44°28′18″N 113°32′35″W / 44.4717°N 113.5430°W / 44.4717; -113.5430 (Big Creek Peak ) 30 Meade Peak [106] [107] [108] [109] [lower-alpha 23] Preuss Range 9,963 ft 3036.8 m 2,497 ft 761 m 23.5 mi 37.7 km 42°29′43″N 111°14′56″W / 42.4954°N 111.2490°W / 42.4954; -111.2490 (Meade Peak ) 31 Lem Peak [59] [60] [61] Lemhi Range 10,990 ft 3349.8 m 2,485 ft 757 m 26.5 mi 42.7 km 44°46′51″N 113°51′59″W / 44.7807°N 113.8664°W / 44.7807; -113.8664 (Lem Peak ) 32 Thompson Peak [70] [71] [72] [73] [lower-alpha 11] Sawtooth Range 10,756 ft 3278.4 m 2,451 ft 747 m 17.77 mi 28.6 km 44°08′29″N 115°00′36″W / 44.1415°N 115.0100°W / 44.1415; -115.0100 (Thompson Peak ) 33 Saddle Mountain [66] [67] [68] [69] Lemhi Range 10,813 ft 3295.8 m 2,385 ft 727 m 11.18 mi 18 km 43°56′15″N 112°57′16″W / 43.9374°N 112.9544°W / 43.9374; -112.9544 (Saddle Mountain ) 34 Shelly Mountain [49] [50] [51] [52] [lower-alpha 9] White Knob Mountains 11,283 ft 3439.2 m 2,344 ft 714 m 9.71 mi 15.63 km 43°49′35″N 113°43′35″W / 43.8265°N 113.7263°W / 43.8265; -113.7263 (Shelly Mountain ) 35 Sheep Mountain [62] [63] [64] [65] Boulder Mountains 10,913 ft 3326.4 m 2,288 ft 697 m 8.72 mi 14.04 km 44°03′53″N 114°21′36″W / 44.0646°N 114.3601°W / 44.0646; -114.3601 (Sheep Mountain ) 36 Goat Mountain [110] [111] [112] [113] Beaverhead Mountains 9,948 ft 3032.2 m 2,283 ft 696 m 16.44 mi 26.5 km 44°49′24″N 113°26′20″W / 44.8234°N 113.4388°W / 44.8234; -113.4388 (Goat Mountain ) 37 Bald Mountain [85] [86] [87] [88] Salmon River Mountains 10,318 ft 3144.9 m 2,013 ft 614 m 16.18 mi 26 km 44°22′02″N 114°20′39″W / 44.3672°N 114.3441°W / 44.3672; -114.3441 (Bald Mountain ) 38 Pinyon Peak [114] [115] [116] Salmon River Mountains 9,946 ft 3031.5 m 2,002 ft 610 m 8.21 mi 13.21 km 44°34′11″N 114°55′00″W / 44.5697°N 114.9168°W / 44.5697; -114.9168 (Pinyon Peak ) 39 The General [82] [83] [84] Salmon River Mountains 10,333 ft 3149.5 m 1,909 ft 582 m 16.42 mi 26.4 km 44°29′01″N 114°48′11″W / 44.4836°N 114.8031°W / 44.4836; -114.8031 (The General ) 40 Taylor Mountain [121] [122] [123] [124] [lower-alpha 24] Bitterroot Range 9,860 ft 3005.2 m 1,880 ft 573 m 8.79 mi 14.15 km 44°33′42″N 111°40′59″W / 44.5616°N 111.6830°W / 44.5616; -111.6830 (Taylor Mountain )