Method: Clean | Average | Optimistic Winter Ascent Dates only (Help)Count a peak only once per dayShow List using U.S. Units (Feet)

Peaks with most Unsuccessful Attempts - Multiple Ascents Grid

Showing all of Andy Boos's ascent dates (max 10 rounds) (Overall: 21 out of 25, or 84%)

RankPeak Elev-M
TotalRound 1
Round 2
Round 3
Round 4
Round 5
Round 6
Round 7
Round 8
23.Pico de Orizaba56364922         
19.Mont Blanc48104697         
6.Mount Whitney441930731 2001-09-07        
20.Mount Elbert439927721 2005-06-02        
1.Mount Rainier439240378 1991-06-23  1992-06-28  1993-06-24  1994-08-01  1994-08-13  1995-07-01  1995-07-16  2001-07-26 
12.Longs Peak43458961 2016-07-28        
2.Mount Shasta431729791 1991-07-08        
21.Wheeler Peak401110391 2008-04-30        
17.Granite Peak390114571 1995-08-07        
8.Mount Adams374224803 1988-07-09  1993-07-05  2007-07-29      
3.Mount Hood342623492 1990-06-17  1995-06-24       
23.San Jacinto Peak330425421 2008-11-08        
4.Mount Baker328626968 1989-05-22  1992-06-07  1992-07-26  1993-06-06  1994-07-10  1996-07-07  1998-07-01  2001-07-11 
16.Glacier Peak321322917 1990-07-21  1992-08-09  1993-08-22  1994-08-20  1995-08-27  2000-07-12  2011-09-06  
21.Mount Jefferson319917671 2018-07-10        
23.Mount San Antonio306819031 2008-11-09        
14.Mount Stuart287016323 1990-09-26  1997-07-26  1999-09-13      
9.Mount Shuksan278313514 1989-07-09  1994-06-11  1995-06-04  2014-06-05     
5.Mount Saint Helens254014004 1988-05-08  1989-05-14  2001-03-07  2012-05-14     
7.Mount Washington191718771 2016-05-12        
15.Silver Peak17086542 1989-11-18  1995-05-14       
13.McClellan Butte15734462 1986-09-01  2014-12-02       
11.Mount Si1274851 1987-05-07        

Main Peak List: Click here to see the standard peak listing, showning more informational columns and just the first ascent date.

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

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

About the Multiple Ascent Grid:

  • This table grid shows all peaks on a given list, and all ascents done by Andy Boos, up to 10 ascents per peak.
  • While many peakbaggers do not like to repeat ascents, some will try to do multiple "laps" or "rounds" of a favorite list, often one close to home.
  • The header for each ascent column shows, in parentheses, the total number of peaks climbed in each "round", and clicking the header link will sort your ascents for that round.
  • Due to space limitations, this listing has just the basic peak info, so up to ten date columns can be shown. Please use the main peak list (linked above) for more basic info and functionality.
  • Some climbers will log two ascents of the same peak on the same day--for example, when doing an out-and-back ridge run with other ascents sandwiched between two of the same peak. Some might not consider these to be two separate ascents for the purposes of doing multiple rounds. Clicking on the "Count a peak only once per day" link in the header will collapse multiple ascents of a peak on a single day into just one ascent for this grid 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.


Map Showing Location of Peaks

 = Peaks climbed by Andy Boos   = Unclimbed peaks

Click on a peak to see its name and a clickable link.

(Map only shows peaks ranked by clean prominence)

Click Here for a Full Screen Map

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