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

Peaks with most Unsuccessful Attempts

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

RankPeakAscents Elev-M
Location Prom-M
Range (Level 3)Ascent Date
1.Mount Rainier3284392USA-WA4037Cascade Range1991-06-23
2.Mount Shasta1494317USA-CA2979Cascade Range1991-07-08
3.Mount Hood1333426USA-OR2349Cascade Range1990-06-17
4.Mount Baker1053286USA-WA2696Cascade Range1989-05-22
5.Mount Saint Helens922540USA-WA1400Cascade Range1988-05-08
6.Mount Whitney874419USA-CA3073Sierra Nevada2001-09-07
7.Mount Adams733742USA-WA2480Cascade Range1988-07-09
8.Mount Washington721917USA-NH1877Northern U.S. Appalachians2016-05-12
9.Mount Shuksan632783USA-WA1351Cascade Range1989-07-09
10.Denali576190USA-AK6145Alaska Range 
11.Mount Si511274USA-WA85Cascade Range1987-05-07
12.Longs Peak494345USA-CO896Southern Rocky Mountains2016-07-28
13.McClellan Butte471573USA-WA446Cascade Range1986-09-01
14.Silver Peak441708USA-WA654Cascade Range1989-11-18
15.Glacier Peak433213USA-WA2291Cascade Range1990-07-21
16.Mount Stuart422870USA-WA1632Cascade Range1990-09-26
17.Aconcagua406962Argentina6962Central Argentina-Chile Andes 
18.Granite Peak393901USA-MT1457Greater Yellowstone Rockies1995-08-07
19.Mont Blanc374810France/Italy4697Western Alps 
20.Mount Elbert354399USA-CO2772Southern Rocky Mountains2005-06-02
20.Wheeler Peak354011USA-NM1039Southern Rocky Mountains2008-04-30
20.Mount Jefferson353199USA-OR1767Cascade Range2018-07-10
23.San Jacinto Peak333304USA-CA2542Central and Southern California Ranges2008-11-08
23.Mount San Antonio333068USA-CA1903Central and Southern California Ranges2008-11-09
25.Volcán Cotopaxi315897Ecuador2404Ecuador 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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