Jump to Map of List PeaksMethod: Clean | Average | Optimistic Winter Ascent Dates only (Help)Show List using Metric Units

Peaks with most Unsuccessful Attempts

Showing Andy Boos's first ascent dates for climbed peaks (21 out of 25, or 84%)

RankPeakAscents Elev-Ft Location Prom-Ft Range (Level 3)Ascent Date
1.Mount Rainier33014,411USA-WA13,246Cascade Range1991-06-23
2.Mount Shasta15014,162USA-CA9762Cascade Range1991-07-08
3.Mount Hood13511,239USA-OR7706Cascade Range1990-06-17
4.Mount Baker10510,781USA-WA8812Cascade Range1989-05-22
5.Mount Saint Helens938333USA-WA4573Cascade Range1988-05-08
6.Mount Whitney9214,498USA-CA10,078Sierra Nevada2001-09-07
7.Mount Adams7312,276USA-WA8116Cascade Range1988-07-09
7.Mount Washington736288USA-NH6148Northern U.S. Appalachians2016-05-12
9.Mount Shuksan639131USA-WA4411Cascade Range1989-07-09
10.Denali5720,310USA-AK20,146Alaska Range 
11.Mount Si514180USA-WA260Cascade Range1987-05-07
12.Longs Peak4914,255USA-CO2940Southern Rocky Mountains2016-07-28
13.McClellan Butte485162USA-WA1442Cascade Range1986-09-01
14.Silver Peak445605USA-WA2125Cascade Range1989-11-18
15.Glacier Peak4310,520USA-WA7498Cascade Range1990-07-21
16.Mount Stuart429415USA-WA5354Cascade Range1990-09-26
17.Aconcagua4022,841Argentina22,841Central Argentina-Chile Andes 
17.Granite Peak4012,799USA-MT4759Greater Yellowstone Rockies1995-08-07
19.Mont Blanc3815,781France/Italy15,410Western Alps 
20.Mount Elbert3514,433USA-CO9073Southern Rocky Mountains2005-06-02
20.Wheeler Peak3513,161USA-NM3409Southern Rocky Mountains2008-04-30
20.Mount Jefferson3510,497USA-OR5777Cascade Range2018-07-10
23.San Jacinto Peak3310,839USA-CA8319Central and Southern California Ranges2008-11-08
23.Mount San Antonio3310,064USA-CA6224Central and Southern California Ranges2008-11-09
25.Volcán Cotopaxi3119,347Ecuador7887Ecuador Andes 

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

Multiple Ascents Grid: Click here for a grid showing all of Andy Boos's ascents of peaks on this list (including up to 10 rounds of repeats).

Compare Climbers: Click here to compare ascents of up to 5 climbers working on this list.

List Description

This list, like all the other "Usage" lists, will change over time as ascents are entered into the database. This list is automatically recalculated once a day, so a completion of all these peaks is a moving target that may be frustrating for a climber.

The "Ascents" column above show the total number of unsuccessful attempts on a peak logged in the database. Multiple failed attempts by one climber are all counted. However, note that many registered site users do not log their unsuccessful ascents, so this list is not very robust statistically. However, it does give a somewhat interesting picture of some worldwide summit that are perhaps among the most difficult to ascend.

A personal note--I have long maintained that there should be no shame or stigma in an unsuccessful attempt. They are excellent learning experiences and a sign of wise maturity in the mountains. Never climb with someone who has never turned back! And don't be afraid to log your trips where the summit was just not in the cards.


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 = Peaks climbed by Andy Boos   = Unclimbed peaks

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