SUMMITSTEEPNESS
RankBest Min at 800mAzimuth Drop (in feet)NameCountyElevation
1 23.07991489 135 1118.14 Everly, Mount Boise + Elmore 9852
2 22.68203074 195 1096.68 Bell Mountain A Lemhi 11612
3 19.58892164 77 933.79 Copperhead Peak Lemhi 10060
4 19.39903325 230 924.01 10263 Lemhi 10263
5 19.21520094 206 914.55 Diamond Peak A Butte 12197
6 19.12114257 26 909.73 Mount Corruption Custer 11857
7 18.64388767 217 885.31 Meadow Peak Custer 9099
8 18.2537514 279 865.46 8832 Blaine + Custer 8832
9 17.47512939 160 826.09 Glens Peak Boise + Elmore 10053
10 17.14969521 274 809.74 Castle Peak A Custer 11815
11 16.99597508 213 802.04 10759 Butte 10759
12 16.29366082 119 767.00 10858 Butte 10858
13 16.27795598 0 766.22 Grays Peak A Blaine 10563
14 16.20606352 123 762.64 Mogg Mountain Lemhi 10573
15 15.94396095 124 749.64 Grief Mountain Bonner 4361
16 15.89056053 311 747.00 9552 Custer 9552
17 15.85381057 72 745.18 Negro Peak Lemhi 10580
18 15.58623834 115 731.95 Twin Peaks South A Custer + Lemhi 10340
19 15.43054962 144 724.28 Snowyside Peak Blaine, Custer + Elmore 10651
20 15.39527218 70 722.54 May Mountain Lemhi 10971
21 15.16956252 342 711.43 Williams Peak A Custer 10635
22 15.0391875 73 705.02 Paris Peak Bear Lake 9575
23 15.02312794 159 704.23 Sherman Peak A Custer 9892
24 15.02041528 20 704.10 Red Conglomerate Peaks South Clark 10250
25 15.01766274 113 703.97 Twin Peaks North A Custer 10196
26 14.93239089 55 699.78 10680 Blaine 10680
27 14.92918046 160 699.62 Mount Idaho Custer 12065
28 14.84696142 272 695.59 Fish Butte Idaho 5346
29 14.83983763 159 695.24 Mill Mountain Lemhi 10793
30 14.75777332 33 691.22 McCaleb, Mount Custer 11682
31 14.69965313 138 688.38 Saddle Mountain A Butte 10810
32 14.57666442 166 682.36 10777 Custer 10777
33 14.54828514 9 680.97 Greylock, Mount Custer 9857
34 14.48155378 161 677.71 Newman Peak Camas 9603
35 14.47884017 160 677.58 11260 Custer 11260
36 14.42360938 170 674.88 Goat Mountain B Lemhi 9607
37 14.42081443 259 674.74 Regan, Mount Boise 10190
38 14.3140723 40 669.54 9366 A Lemhi 9366
39 14.28588071 23 668.16 Hawley Mountain A Butte 9752
40 14.1688573 21 662.46 Red Mountain A Custer 9387
41 14.02235263 63 655.32 Red Ives Peak Shoshone 6380
42 13.81067638 2 645.03 8415 Idaho + Ravalli 8415
43 13.79774931 109 644.41 7622 Blaine 7622
44 13.79443792 14 644.25 Big Peak Camas 10047
45 13.76674047 73 642.90 Bloomington Peak Bear Lake 9317
46 13.75479491 211 642.32 8786 Bear Lake 8786
47 13.73568773 106 641.39 Boehls Butte Clearwater 3610
48 13.66064582 351 637.75 Snow Peak B Shoshone 6760
49 13.59469443 317 634.56 Haystack Mountain E Shoshone 4615
50 13.56597126 127 633.16 McGuire, Mount Lemhi 10082
51 13.44445122 33 627.28 Cobb Peak Blaine 11650
52 13.40199693 20 625.22 Goat Mountain I Idaho 5288
53 13.40016319 1 625.13 Galena Peak Blaine + Custer 11153
54 13.3468572 229 622.55 Skookum Butte Idaho + Missoula 7215
55 13.29016071 359 619.81 6870 Valley 6870
56 13.27717715 270 619.18 Hilo Peak Shoshone 5762
57 13.23875719 258 617.33 Bannock Peak Power 8263
58 13.18205001 198 614.59 9375 Custer 9375
59 13.10545719 15 610.89 4464 Idaho 4464
60 13.08902604 243 610.09 8628 Idaho + Ravalli 8628
61 13.0616963 84 608.78 6484 Boise 6484
62 13.04070916 296 607.76 Johnny Long Mountain Bonner 4668
63 13.03749715 254 607.61 10149 A Custer 10149
64 13.03152843 24 607.32 10713 B Lemhi 10713
65 12.95561423 144 603.66 10775 Lemhi 10775
66 12.95433523 271 603.60 Pavlos Peak Custer 11109
67 12.94195732 60 603.00 Cedar Hills HP Cassia 7434
68 12.87614234 295 599.83 9900 A Boise + Custer 9900
69 12.81408012 149 596.84 10713 A Custer 10713
70 12.78406102 326 595.39 Divide Number Three Idaho 8417
71 12.72538929 134 592.57 Freedom Benchmark Blaine 7278
72 12.7079186 45 591.73 Whitetail Butte Bonner 3105
73 12.66531142 181 589.67 Sawtooth Peak A Valley 8875
74 12.65183777 1 589.03 Sunset Peak A Butte 10693
75 12.61229877 329 587.12 10442 Custer 10442
76 12.58306744 64 585.72 Hudlow Mountain Kootenai 3395
77 12.56815033 65 585.00 Diamond Point Valley 8228
78 12.55388821 1 584.32 10588 Custer 10588
79 12.53823598 287 583.56 Thunder Mountain C Cassia 7455
80 12.4945532 111 581.47 5915 A Bonner 5915
81 12.47872384 283 580.70 White Cap Peak Custer 11899
82 12.46752675 348 580.17 10954 Butte 10954
83 12.42540288 46 578.14 Leatherman Peak Custer 12228
84 12.39026769 274 576.46 Jay Peak Boundary 4590
85 12.37290842 184 575.62 10940 A Custer 10940
86 12.36097798 214 575.05 9783 Blaine 9783
87 12.35611099 300 574.82 Kent Peak A Blaine + Custer 11664
88 12.33552796 34 573.83 Parker Peak Boundary 7670
89 12.32602546 16 573.37 Woods Peak Custer + Lemhi 9730
90 12.27908357 202 571.12 Parks Peak A Blaine + Custer 10208
91 12.27755533 94 571.05 4980 A Idaho 4980
92 12.26728222 181 570.56 7766 Clark 7766
93 12.24367295 118 569.42 7987 Idaho 7987
94 12.21183556 231 567.90 Allan Mountain Lemhi 9154
95 12.20407685 343 567.52 Trinity Mountain Elmore 9451
96 12.13126074 91 564.03 Gimlet Benchmark Blaine 6611
97 12.04464516 118 559.89 Old Hyndman Peak Blaine + Custer 11775
98 12.01268132 0 558.36 7938 Blaine 7938
99 12.00373088 176 557.93 10601 A Lemhi 10601
100 12.00064888 88 557.78 Echols Mountain Adams 8331
101 11.99188971 8 557.36 10705 B Custer 10705
102 11.98677699 199 557.12 Big Black Dome Custer 11353
103 11.95616984 130 555.65 8291 Idaho + Ravalli 8291
104 11.95275569 244 555.49 Dixie Mountain Valley 9070
105 11.93918248 35 554.84 9165 B Custer 9165
106 11.93839955 149 554.80 11272 Custer 11272
107 11.93611196 20 554.69 Spot Mountain Idaho 8024
108 11.93047618 58 554.42 8540 Idaho + Ravalli 8540
109 11.91327027 199 553.60 Regan Butte Gem 3310
110 11.88801654 261 552.39 10391 Blaine 10391
111 11.86094028 191 551.10 7390 A Custer 7390
112 11.84948286 344 550.55 North Raker Boise 9970
113 11.82305671 203 549.28 Timbered Dome Butte 8356
114 11.81565988 284 548.93 8565 A Custer 8565
115 11.80072915 292 548.22 Saddle Mountain C Boundary 6898
116 11.79747763 100 548.06 Benton Butte Clearwater 4945
117 11.77304095 326 546.89 Coco Peak Blaine + Custer 10420
118 11.71399998 26 544.07 9660 A Butte 9660
119 11.70452554 163 543.62 Roundtop Mountain A Idaho 6660
120 11.68635121 8 542.75 Monument Peak Beaverhead + Lemhi 10323
121 11.67048556 147 541.99 Bald Mountain B Elmore 9368
122 11.66344049 37 541.66 5466 Bonner 5466
123 11.64465896 191 540.76 Rathdrum Mountain Kootenai 5003
124 11.64006721 6 540.54 8562 A Blaine + Camas 8562
125 11.60926875 326 539.07 Shelly Mountain Custer 11278
126 11.60621941 144 538.93 8540 A Valley 8540
127 11.60531242 198 538.88 8356 Valley 8356
128 11.59401483 345 538.34 7373 A Custer 7373
129 11.57597705 319 537.48 Big Creek Peak Lemhi 11350
130 11.53843008 41 535.69 9036 A Valley 9036
131 11.53381104 223 535.47 Black Mountain F Clearwater 7077
132 11.51737773 91 534.69 6402 Blaine 6402
133 11.51494274 170 534.57 Kellys Finger Clearwater 7454
134 11.48088361 230 532.95 10785 Custer 10785
135 11.48060834 121 532.93 Lem Peak Lemhi 10985
136 11.46045345 214 531.97 Lorenzo Peak Blaine + Custer 11260
137 11.4294681 182 530.50 8142 B Caribou 8142
138 11.41208599 175 529.67 Freeman Ridge Caribou 8595
139 11.40263174 35 529.22 East Butte A Bingham 6572
140 11.39946407 186 529.07 Ruffneck Peak Custer 9407
141 11.36915104 44 527.62 Cache Peak Cassia 10339
142 11.35817948 43 527.10 8241 A Lemhi 8241
143 11.34458802 348 526.45 Braxon Peak Boise + Custer 10353
144 11.30528599 341 524.58 Harrison Peak Boundary 7292
145 11.29893716 141 524.28 Gerdie Hill Owyhee 5988
146 11.29447308 315 524.06 7777 A Blaine 7777
147 11.2742223 215 523.10 Logan Mountain Valley 9002
148 11.27061114 203 522.93 11509 Custer 11509
149 11.26936272 190 522.87 3670 Bonner 3670
150 11.25045481 54 521.97 10717 Butte 10717
151 11.18569642 219 518.89 China Hat A Caribou 7166
152 11.13133062 356 516.30 9734 Custer 9734
153 11.11893443 104 515.71 7333 Butte 7333
154 11.09926567 66 514.77 9009 Custer 9009
155 11.09842313 301 514.73 10730 Custer 10730
156 11.09762405 228 514.70 Corkscrew Mountain Custer 9348
157 11.04772502 83 512.32 9820 C Custer 9820
158 11.03302953 187 511.62 Browns Peak Elmore 9705
159 11.02219578 182 511.11 The Brow Butte 11005
160 11.01816715 91 510.92 North Loon Mountain Valley 9322
161 11.00511019 52 510.30 10633 Lemhi 10633
162 11.00197863 14 510.15 8390 Idaho + Ravalli 8390
163 10.98531657 206 509.36 Griswold Peak Custer 11057
164 10.97034095 274 508.64 7682 A Franklin 7682
165 10.96624074 123 508.45 7689 Cassia 7689
166 10.95496028 323 507.91 Round Mountain A Custer 8956
167 10.94684225 29 507.53 Temple Peak Teton 8219
168 10.9343181 170 506.93 8671 A Valley 8671
169 10.92694266 146 506.58 Sheep Mountain B Lemhi 10865
170 10.91447395 305 505.99 8523 Idaho + Ravalli 8523
171 10.9121116 42 505.88 Sheep Mountain D Custer 9649
172 10.90179852 217 505.39 Sharp Top Benewah 3966
173 10.89183774 312 504.92 Stanley Butte Idaho 7362
174 10.89152004 298 504.90 7380 B Custer 7380
175 10.87580124 245 504.15 6323 A Idaho 6323
176 10.8508506 48 502.97 Scotchman Peak Bonner 7009
177 10.84231068 208 502.56 Bruin Mountain Idaho 8767
178 10.81846012 273 501.43 Sheldon Peak Lemhi 9278
179 10.79307335 24 500.23 7130 A Blaine 7130
180 10.76736142 223 499.01 Red Ridge B Valley 9320
181 10.73639669 253 497.54 3060 B Bonner 3060
182 10.71692361 346 496.61 Leadore Hill Lemhi 8453
183 10.71376996 88 496.46 9466 A Valley 9466
184 10.70414517 199 496.01 Ranger Peak Idaho + Ravalli 8817
185 10.69363501 255 495.51 7562 Custer 7562
186 10.6679791 111 494.29 West Canfield Butte Kootenai 4162
187 10.65970282 338 493.90 Sawtell Peak Fremont 9900
188 10.60343286 309 491.23 5992 B Boise 5992
189 10.59484053 187 490.82 Oxbow Idaho 3188
190 10.58966004 240 490.58 9617 Blaine 9617
191 10.58518872 229 490.37 Merriam Peak Custer 10920
192 10.58170227 171 490.20 8817 A Lemhi 8817
193 10.57231845 30 489.76 Cottonwood Peak A Bannock 7940
194 10.56617368 205 489.47 Striped Peak Shoshone 6324
195 10.55758959 141 489.06 Middle Mountain A Custer 8719
196 10.54158588 199 488.30 9140 A Blaine + Butte 9140
197 10.53688043 21 488.08 Lead Mountain Owyhee 6535
198 10.52509617 124 487.52 9151 A Butte 9151
199 10.5226735 218 487.40 8561 A Blaine 8561
200 10.51491833 56 487.04 10181 Custer 10181