SUMMITSTEEPNESS
RankAvg at 100m Drop (in feet)NameCountyElevation
1 54.24933715 455.61 Warbonnet Peak Boise 10220
51.76242252 416.25 Chimney Rock B Boundary 7124
2 51.20796348 408.07 Fishfin Ridge Lemhi 9700
3 50.6572901 400.13 9180 Boise 9180
4 50.01984626 391.17 Triple Peak Custer 11300
5 49.95927828 390.33 9980 C Boise + Custer 9980
6 49.24507948 380.60 9438 A Boise 9438
7 48.73731566 373.85 Elk Peak Boise + Custer 10582
48.52622499 371.08 Handwerk Peak Blaine 10860
8 48.42603811 369.77 10300 Custer 10300
48.35334501 368.83 8820 D Lemhi 8820
9 48.32976207 368.52 Tohobit Peak Boise 10046
10 47.90233699 363.03 Old Hyndman Peak Blaine + Custer 11775
11 47.86000587 362.50 El Capitan Blaine 9901
12 47.83191578 362.14 North Raker Boise 9970
13 47.43144048 357.09 10100 E Boise 10100
14 47.27189398 355.10 Cabin Creek Peak Custer 9968
15 47.23418053 354.63 8540 Idaho + Ravalli 8540
16 46.84045064 349.78 10260 A Boise + Custer 10260
17 46.7297994 348.43 9807 Boise 9807
46.20992487 342.15 10860 B Custer 10860
18 45.96402785 339.23 Goat Mountain Blaine + Custer 11913
19 45.95997868 339.18 8523 Idaho + Ravalli 8523
20 45.86884642 338.10 7940 Butte 7940
45.80214306 337.32 9460 D Lemhi 9460
45.77096005 336.95 11100 C Custer 11100
45.1515378 329.74 Devils Tooth Idaho 7860
21 45.12738096 329.46 Howard Peak Custer 11020
22 45.10297657 329.18 10460 D Custer 10460
44.98127288 327.79 9395 Boise 9395
44.95917912 327.53 Finger of Fate Custer 9780
23 44.79466434 325.66 Heyburn Mountain Custer 10220
24 44.7788686 325.48 Regan, Mount Boise 10190
44.52099619 322.56 9711 Boise 9711
25 44.50363858 322.37 10340 Custer 10340
26 44.35581129 320.71 9780 B Boise 9780
27 44.17017967 318.63 Grandjean Peak Boise 9180
28 44.12211043 318.10 Twin Sisters A Cassia 6838
29 43.80695283 314.62 10340 Custer 10340
30 43.35334622 309.67 9727 B Boise + Custer 9727
31 43.29231543 309.01 Thompson Peak A Custer 10751
32 43.24166526 308.46 8780 Adams 8780
43.13809382 307.35 Black Tip Idaho + Valley 8292
33 43.07820198 306.70 10597 Custer 10597
34 43.05367001 306.44 9610 Custer 9610
35 43.04348741 306.33 8695 Valley 8695
36 43.00291939 305.90 Blodgett Mountain Idaho + Ravalli 8647
37 42.99116923 305.77 8820 B Boise 8820
38 42.99054939 305.76 9847 Custer 9847
39 42.63863964 302.02 9583 Custer 9583
40 42.4003282 299.51 Bell Mountain A Lemhi 11612
41 42.27281397 298.17 9540 B Lemhi 9540
42 42.16703037 297.07 Nick Peak Valley 9064
43 42.04766105 295.83 He Devil Idaho 9420
44 41.98421971 295.17 11300 Custer 11300
45 41.96643333 294.98 Copperhead Peak Lemhi 10060
46 41.93294698 294.64 8361 Valley 8361
41.85122076 293.79 Wolf Fangs Valley 8740
47 41.84469459 293.73 Silver Dollar Peak Boundary 7181
48 41.82380504 293.51 5548 Lemhi 5548
49 41.80377464 293.30 Phoebe Tip Boundary 6620
50 41.76566026 292.91 2887 Owyhee 2887
51 41.72298716 292.47 Grand Mogul Custer 9733
52 41.7101771 292.34 Big Basin Peak Blaine + Custer 11510
41.70966073 292.34 11500 Custer 11500
41.70597113 292.30 9226 Custer 9226
53 41.65203616 291.75 Lions Head Boundary 7288
54 41.63409672 291.56 8837 Lemhi 8837
55 41.63089955 291.53 10205 Custer 10205
56 41.52663926 290.46 9900 A Boise + Custer 9900
41.457507 289.76 6260 Bonner 6260
57 41.38440008 289.01 6612 B Idaho 6612
41.35576739 288.72 South Raker Boise 9620
58 41.29441739 288.10 Beaverdam Peak Valley 8652
59 41.25907256 287.74 Cathedral Rock Lemhi 9420
60 41.16925225 286.83 10210 Boise 10210
61 41.16439729 286.78 Snowslide Peak B Valley 8522
62 41.12966569 286.43 9082 Boise 9082
63 41.07265672 285.86 9110 Boise 9110
64 41.05289518 285.66 8250 C Custer 8250
65 40.98398163 284.97 Squawtip Custer 9046
66 40.93125065 284.44 9980 E Boise + Custer 9980
40.86537814 283.78 Chinese Wall Custer 11238
40.79590637 283.08 10940 B Custer 10940
67 40.79555129 283.08 10785 Custer 10785
68 40.70266081 282.15 8624 A Idaho 8624
69 40.65200107 281.65 9367 A Blaine 9367
70 40.57921773 280.92 Sawtooth Peak A Valley 8875
71 40.55953256 280.73 9573 Lemhi 9573
40.53741453 280.51 10705 Custer 10705
72 40.53349034 280.47 8613 A Custer 8613
73 40.47191905 279.86 Pinnacles, The Valley 9273
74 40.40127907 279.16 8340 B Blaine 8340
75 40.37422948 278.90 8744 Valley 8744
76 40.34392433 278.60 9660 A Butte 9660
77 40.22850162 277.46 Grave Peak Idaho 8282
78 40.17848208 276.97 8552 Idaho 8552
79 40.1572116 276.76 11100 A Custer 11100
80 40.14156177 276.61 Cramer, Mount Boise + Custer 10716
81 40.11860585 276.38 6820 A Custer 6820
82 40.10550553 276.26 Hyndman Peak Blaine + Custer 12009
83 40.05102594 275.72 8662 A Valley 8662
84 39.97508723 274.98 6740 D Valley 6740
85 39.90995794 274.35 10327 B Custer 10327
86 39.86546306 273.91 Salzburger Spitzl Blaine + Custer 11620
87 39.76391146 272.93 11202 Custer 11202
88 39.75214497 272.82 9955 Boise + Custer 9955
89 39.69412261 272.25 Boulder Lake Peak Custer 11100
90 39.57711229 271.12 Cobb Peak Blaine 11650
91 39.55851122 270.95 8076 Idaho + Ravalli 8076
92 39.49670237 270.35 10391 Blaine 10391
93 39.35400508 268.98 10940 A Custer 10940
94 39.28798911 268.35 Brocky Peak Blaine + Custer 11839
95 39.26862512 268.17 7847 Idaho 7847
96 39.26043495 268.09 8100 E Boise 8100
97 39.24326246 267.92 9012 Idaho + Ravalli 9012
98 39.08921668 266.46 9268 A Custer 9268
99 39.05607586 266.14 9409 Boise + Custer 9409
100 39.04264905 266.01 Saddle Mountain B Idaho 8258
38.99490879 265.56 Eagle Perch Custer 9620
101 38.98373376 265.46 11272 Custer 11272
102 38.97632975 265.38 9740 E Lemhi 9740
38.94820634 265.12 6380 Lemhi 6380
103 38.92526099 264.90 9460 B Boise + Custer 9460
104 38.92142986 264.87 9627 B Boise 9627
105 38.90781383 264.74 Nub, The Clearwater 6924
106 38.82339768 263.94 8314 Idaho + Ravalli 8314
107 38.80514791 263.77 11332 Custer 11332
108 38.79909207 263.71 9211 B Boise 9211
109 38.71814398 262.95 WCP 10 Custer 11102
110 38.67366934 262.53 9020 A Valley 9020
111 38.62464199 262.07 11516 Custer 11516
112 38.60391153 261.88 Castle Rock A Custer 8781
38.50584168 260.96 Negro Brown Hill Benewah 2780
38.49597393 260.87 North Lost River Peak Custer 12020
113 38.46101005 260.54 8820 C Custer 8820
114 38.44314168 260.37 Copper Basin Knob Custer 10784
115 38.43997661 260.34 10312 Custer 10312
116 38.41804678 260.14 10579 Custer 10579
117 38.41466162 260.11 8414 Idaho 8414
38.39332243 259.91 Crown Point A Blaine 9820
38.39331525 259.91 9100 G Boise 9100
118 38.31301818 259.16 Bad Rock Peak Custer 11953
38.27842737 258.84 Castle Rock G Boise 5415
119 38.27771542 258.83 9292 Custer 9292
120 38.24222317 258.50 10365 Beaverhead + Lemhi 10365
121 38.23941538 258.48 Calkens Peak Custer 11500
122 38.20149652 258.12 Baron Peak Boise + Custer 10197
123 38.16661855 257.80 Vance Mountain Idaho 8793
124 38.15158635 257.66 8620 A Valley 8620
125 38.13283591 257.49 South Glassford Peak Blaine + Custer 11180
126 38.10127048 257.20 9660 F Boise 9660
127 38.0855126 257.05 9333 A Valley 9333
128 38.08282031 257.03 8415 Idaho + Ravalli 8415
129 38.06581174 256.87 D.O. Lee Peak Custer 11342
130 38.00176397 256.28 10390 Beaverhead + Lemhi 10390
131 37.95143482 255.81 Twin Peaks A Boundary 7599
132 37.94731354 255.78 Chimney Peak Idaho 7660
133 37.92751352 255.59 6754 B Elmore 6754
134 37.92611992 255.58 9266 Elmore 9266
135 37.85195709 254.90 10860 Beaverhead + Lemhi 10860
136 37.83392059 254.73 9930 Boise 9930
137 37.79266913 254.36 The Riddler Butte 11580
138 37.78408253 254.28 9565 A Custer 9565
37.77220058 254.17 Packrat Peak Custer 9700
139 37.7696554 254.14 Buffalo Ridge Custer 9443
140 37.76849893 254.13 9380 Elmore 9380
37.75670349 254.03 8184 Idaho & Ravalli 8184
141 37.72093629 253.70 Blacknose Mountain Boise + Elmore 9802
142 37.65324494 253.08 Horstmann Peak Custer 10470
143 37.63011389 252.87 10408 Custer 10408
37.62320082 252.81 Fitsum Peak Valley 8583
144 37.58867727 252.49 8380 B Valley 8380
145 37.57061524 252.33 9940 Beaverhead + Lemhi 9940
146 37.53567633 252.01 7340 Custer 7340
147 37.46477161 251.36 Snowyside Peak Blaine, Custer + Elmore 10651
37.43032249 251.05 9980 Blaine 9980
148 37.40092996 250.78 Fenn Mountain Idaho 8021
149 37.37846999 250.58 9639 B Camas + Elmore 9639
37.34133694 250.24 Croseus Peak Custer 10288
150 37.32041313 250.05 11458 Custer 11458
151 37.28814044 249.76 Ogre, The Idaho 9256
152 37.26370079 249.54 3940 A Bonner 3940
153 37.24468915 249.37 8407 Valley 8407
154 37.23537965 249.28 Wilson Mountain A Lemhi 9580
155 37.23403249 249.27 8921 Custer 8921
156 37.16809204 248.68 9805 A Custer 9805
157 37.1613995 248.62 9980 D Boise 9980
158 37.12572804 248.30 Fitsum Benchmark Valley 8784
159 37.12485605 248.29 9160 B Valley 9160
37.121492 248.26 Schoolmarm Peak Idaho 3571
160 37.11771469 248.22 8162 B Valley 8162
161 37.00663041 247.23 7940 B Idaho 7940
162 36.99692034 247.14 Williams Peak A Custer 10635
36.99501888 247.12 9878 Custer 9878
163 36.97552489 246.95 10488 Custer 10488
164 36.96311893 246.83 Freeman Peak A Lemhi 10272
165 36.93176739 246.55 Hunter Peak Idaho 8472
166 36.82592726 245.61 9682 Custer 9682
167 36.80951098 245.46 Watchtower Peak Idaho + Ravalli 8780
168 36.70569559 244.53 8500 D Adams 8500
169 36.68271307 244.33 9561 B Custer 9561
170 36.66547372 244.18 6921 B Boundary 6921
171 36.64242031 243.97 Knapp Benchmark Custer 10012
172 36.62760208 243.84 7689 Cassia 7689
173 36.61983524 243.77 8460 D Elmore 8460
174 36.58681623 243.48 9722 Boise 9722
175 36.5425348 243.08 11210 Blaine 11210
176 36.53043995 242.98 9900 Idaho 9900
177 36.50756974 242.77 Square Top A Valley 8681
178 36.48867509 242.61 10020 Beaverhead + Lemhi 10020
179 36.48443924 242.57 Standhope Peak Custer 11878
36.46582317 242.40 Goblin, The Idaho 8995
180 36.4600873 242.35 Mount Church Custer 12220
36.44517631 242.22 Rupe Peak Idaho 7651
181 36.4059192 241.87 8785 Idaho + Ravalli 8785
182 36.39821631 241.81 Twin Peaks East C Clearwater 5903
183 36.36452967 241.51 8291 Idaho + Ravalli 8291
184 36.30839691 241.01 Angels Perch Custer 11687
185 36.30229808 240.96 8297 Idaho + Ravalli 8297
186 36.25612555 240.55 8808 Valley 8808
187 36.20264436 240.08 8530 Idaho + Ravalli 8530
188 36.14365458 239.56 11781 Custer 11781
189 36.13637741 239.50 9515 B Camas + Elmore 9515
190 36.10891387 239.26 11641 Custer 11641
191 36.08981842 239.09 Box, The Blaine + Custer 11305
192 36.06626953 238.89 10718 A Custer 10718
193 36.06573126 238.88 9765 Boise 9765
194 36.04228946 238.68 9327 Lemhi 9327
195 36.03732778 238.63 9521 B Elmore 9521
196 36.00229386 238.33 10220 A Custer 10220
197 35.98164674 238.15 10840 Blaine + Custer 10840
35.97480551 238.09 Suicide Rock Valley 6367
198 35.96825852 238.03 8573 B Valley 8573
199 35.95609751 237.92 10182 B Custer 10182
200 35.92337087 237.64 Lookout Mountain E Boundary 6787