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

Peaks with Most Individual Summiters

Showing David O'Brien's first ascent dates for climbed peaks (27 out of 50, or 54%)

RankPeakAscentsB Elev-M
Location Prom-M
Range (Level 3)AscentsAscent Date
30.Algonquin Peak10811559USA-NY649Canadian Shield1463 
28.Cannon Mountain11081256USA-NH244Northern U.S. Appalachians14822001-07-14
22.Cascade Mountain11731249USA-NY369Canadian Shield1533 
19.Clingmans Dome11952025USA-NC/TN1379Blue Ridge Mountains1343 
37.Giant Mountain10181410USA-NY910Canadian Shield1322 
47.Half Dome9182707USA-CA439Sierra Nevada1123 
48.Humphreys Peak9143851USA-AZ1841Colorado Plateau1060 
7.Katahdin13501606USA-ME1310Northern U.S. Appalachians1676 
29.Little Haystack10861463USA-NH24Northern U.S. Appalachians15812000-07-14
15.Mount Adams12423742USA-WA2486Cascade Range1563 
16.Mount Adams12281768USA-NH262Northern U.S. Appalachians18372011-10-09
40.Mount Baker9993286USA-WA2706Cascade Range1307 
14.Mount Eisenhower12491451USA-NH102Northern U.S. Appalachians17832006-08-25
9.Mount Elbert13174399USA-CO2778Southern Rocky Mountains1416 
38.Mount Field10121329USA-NH525Northern U.S. Appalachians13832003-10-08
34.Mount Flume10521319USA-NH137Northern U.S. Appalachians14772002-09-05
32.Mount Garfield10591378USA-NH268Northern U.S. Appalachians14602002-09-25
13.Mount Greylock12501063USA-MA757Northern U.S. Appalachians14561997-09-27
50.Mount Hancock8941353USA-NH390Northern U.S. Appalachians11422001-07-28
36.Mount Hood10263426USA-OR2349Cascade Range1463 
21.Mount Jackson11751235USA-NH113Northern U.S. Appalachians16342005-09-16
20.Mount Jefferson11911741USA-NH229Northern U.S. Appalachians17302011-10-09
3.Mount Lafayette16821609USA-NH1036Northern U.S. Appalachians25022000-08-12
23.Mount Liberty11671359USA-NH128Northern U.S. Appalachians17032002-09-05
4.Mount Lincoln15191551USA-NH64Northern U.S. Appalachians21992000-08-12
17.Mount Madison12231636USA-NH142Northern U.S. Appalachians17632011-10-08
8.Mount Mansfield13281339USA-VT1113Northern U.S. Appalachians1607 
5.Mount Marcy15161629USA-NY1501Canadian Shield1870 
25.Mount Mitchell11492037USA-NC1857Blue Ridge Mountains1313 
42.Mount Monadnock982966USA-NH661Northern U.S. Appalachians1676 
17.Mount Monroe12231637USA-NH83Northern U.S. Appalachians17252010-07-01
10.Mount Moosilauke13111464USA-NH894Northern U.S. Appalachians18772002-10-24
24.Mount Osceola11591329USA-NH634Northern U.S. Appalachians15792002-07-06
33.Mount Osceola-East Peak10581267USA-NH109Northern U.S. Appalachians14012002-07-06
11.Mount Pierce12991314USA-NH76Northern U.S. Appalachians19822006-08-25
6.Mount Rainier14824392USA-WA4037Cascade Range2051 
12.Mount Saint Helens12612540USA-WA1406Cascade Range1782 
27.Mount San Antonio11183068USA-CA1909Central and Southern California Ranges3144 
43.Mount Si9651274USA-WA91Cascade Range2088 
26.Mount Tecumseh11271220USA-NH537Northern U.S. Appalachians14762003-06-13
39.Mount Tom10081235USA-NH113Northern U.S. Appalachians13322003-10-08
1.Mount Washington26251917USA-NH1880Northern U.S. Appalachians41032006-09-16
2.Mount Whitney19434419USA-CA3075Sierra Nevada2631 
46.Mount Willey9461297USA-NH90Northern U.S. Appalachians12332003-10-08
41.North Kinsman Mountain9851309USA-NH89Northern U.S. Appalachians13782003-06-16
31.Porter Mountain10641250USA-NY110Canadian Shield1286 
35.San Jacinto Peak10503304USA-CA2548Central and Southern California Ranges1837 
44.South Kinsman Mountain9581328USA-NH743Northern U.S. Appalachians12582003-06-16
44.South Twin9581494USA-NH470Northern U.S. Appalachians14652008-07-11
49.Wright Peak9131398USA-NY78Canadian Shield1117 

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

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

Compare Climbers: Click 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.

This list shows peaks that have the most climbers that have recorded ascents. Repeat ascents are not counted, so if a single climber ascends a peak 100 times, only one ascent is recorded for the purposes of this list.

Despite the worldwide coverage of the database, the site has its greatest usage in the United States, so peaks in that country dominate this list. There is a companion list for peaks outside the USA only, ranked by the same criteria.


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 = Peaks climbed by David O'Brien   = Unclimbed peaks

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