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United States Island High Points above 4000 feet

Excluding Lake Islands

Showing Gerry Roach's first ascent dates for climbed peaks (3 out of 24, or 12.5%)

RankIslandPeak Elev-Ft StateIsol-MiArea-SqMiAscent Date
19.Akutan IslandAkutan4251Alaska42.3  
23.Semisopochnoi IslandAnvil Peak4007Alaska70.086 
22.Augustine IslandAugustine Volcano4025Alaska35.033 
9.Baranof IslandBaranof Island High Point5390Alaska79.71,569 
10.Carlisle IslandCarlisle Island High Point5283Alaska6.6  
7.Great Sitkin IslandGreat Sitkin Volcano5710Alaska87.860 
20.Herbert IslandHerbert Island High Point4200Alaska9.1  
18.Kanaga IslandKanaga Volcano4287Alaska42.0142 
24.Kiska IslandKiska Volcano4004Alaska85.6110 
17.Kodiak IslandKoniag Peak4470Alaska84.23,588 
15.Admiralty IslandKootznoowoo Peak4800Alaska35.71,684 
13.Atka IslandKorovin Volcano5030Alaska85.2410 
6.Unalaska IslandMakushin Volcano5905Alaska83.11,051 
1.Hawaii (Big Island)Mauna Kea13,796Hawaii2452.54,0281968-11-15
8.Chuginadak IslandMount Cleveland5675Alaska56.364 
12.Gareloi IslandMount Gareloi5160Alaska28.6  
16.Revillagigedo IslandMount Reid4592Alaska23.31,145 
4.Umnak IslandMount Vsevidof7051Alaska222.5692 
3.Unimak IslandShishaldin Volcano9414Alaska544.91,590 
5.Tanaga IslandTanaga Volcano5925Alaska407.3204 

Front Runners List: Click here to see list completion progress by climbers that log their climbs using

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List Description

The list of highest islands in the United States is utterly dominated by peaks in Alaska and Hawaii. The highest island peak in the 48 contiguous states is Devils Peak in California's Channel Islands (2450 feet), and it would rank somewhere around #52 on the nationwide list. Older versions of this list on this site had incomplete island information about the large number of high island peaks in Alaska, so the list was changed to a 4000-foot cutoff in early 2010 to focus on the true highest American islands.

This list does not include the high points of lake islands, or of islands part of U.S. dependencies such as Puerto Rico, Guam, and others.


Map Showing Location of Peaks

 = Peaks climbed by Gerry Roach   = Unclimbed peaks

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(Map only shows peaks ranked by clean prominence)

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