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
25.Mount Mitchell11502037USA-NC1856Blue Ridge Mountains1313 
19.Clingmans Dome11962025USA-NC/TN1373Blue Ridge Mountains1343 
5.Mount Marcy15161629USA-NY1498Canadian Shield1870 
30.Algonquin Peak10811559USA-NY639Canadian Shield1463 
37.Giant Mountain10181410USA-NY900Canadian Shield1322 
49.Wright Peak9131398USA-NY78Canadian Shield1117 
22.Cascade Mountain11731249USA-NY359Canadian Shield1533 
31.Porter Mountain10641240USA-NY90Canadian Shield1286 
6.Mount Rainier14824392USA-WA4037Cascade Range2051 
15.Mount Adams12423742USA-WA2474Cascade Range1563 
36.Mount Hood10263426USA-OR2349Cascade Range1463 
40.Mount Baker9993286USA-WA2686Cascade Range1307 
12.Mount Saint Helens12612540USA-WA1394Cascade Range1783 
43.Mount Si9651274USA-WA79Cascade Range2089 
35.San Jacinto Peak10503304USA-CA2536Central and Southern California Ranges1837 
27.Mount San Antonio11183068USA-CA1897Central and Southern California Ranges3144 
48.Humphreys Peak9143851USA-AZ1841Colorado Plateau1060 
1.Mount Washington26261917USA-NH1874Northern U.S. Appalachians41042006-09-16
16.Mount Adams12291768USA-NH262Northern U.S. Appalachians18382011-10-09
20.Mount Jefferson11921741USA-NH229Northern U.S. Appalachians17302011-10-09
17.Mount Monroe12251637USA-NH77Northern U.S. Appalachians17262010-07-01
17.Mount Madison12251636USA-NH142Northern U.S. Appalachians17642011-10-08
7.Katahdin13501606USA-ME1307Northern U.S. Appalachians1676 
3.Mount Lafayette16821597USA-NH1012Northern U.S. Appalachians25022000-08-12
4.Mount Lincoln15191551USA-NH52Northern U.S. Appalachians21992000-08-12
44.South Twin9591494USA-NH458Northern U.S. Appalachians14652008-07-11
10.Mount Moosilauke13121464USA-NH894Northern U.S. Appalachians18772002-10-24
29.Little Haystack10871451USA-NH0Northern U.S. Appalachians15812000-07-14
14.Mount Eisenhower12491451USA-NH102Northern U.S. Appalachians17832006-08-25
32.Mount Garfield10591366USA-NH244Northern U.S. Appalachians14602002-09-25
23.Mount Liberty11671359USA-NH116Northern U.S. Appalachians17032002-09-05
50.Mount Hancock8941341USA-NH366Northern U.S. Appalachians11422001-07-28
8.Mount Mansfield13291339USA-VT1107Northern U.S. Appalachians1608 
45.South Kinsman Mountain9581328USA-NH731Northern U.S. Appalachians12582003-06-16
34.Mount Flume10521319USA-NH124Northern U.S. Appalachians14772002-09-05
38.Mount Field10121317USA-NH512Northern U.S. Appalachians13832003-10-08
24.Mount Osceola11591317USA-NH610Northern U.S. Appalachians15792002-07-06
11.Mount Pierce12991314USA-NH70Northern U.S. Appalachians19822006-08-25
41.North Kinsman Mountain9851309USA-NH77Northern U.S. Appalachians13782003-06-16
46.Mount Willey9461297USA-NH78Northern U.S. Appalachians12332003-10-08
33.Mount Osceola-East Peak10581267USA-NH96Northern U.S. Appalachians14012002-07-06
28.Cannon Mountain11101244USA-NH219Northern U.S. Appalachians14842001-07-14
21.Mount Jackson11751235USA-NH101Northern U.S. Appalachians16342005-09-16
39.Mount Tom10081235USA-NH101Northern U.S. Appalachians13322003-10-08
26.Mount Tecumseh11281220USA-NH525Northern U.S. Appalachians14772003-06-13
13.Mount Greylock12511063USA-MA751Northern U.S. Appalachians14561997-09-27
42.Mount Monadnock983960USA-NH649Northern U.S. Appalachians1676 
2.Mount Whitney19454419USA-CA3072Sierra Nevada2633 
47.Half Dome9182694USA-CA415Sierra Nevada1123 
9.Mount Elbert13174399USA-CO2765Southern Rocky Mountains1416 

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.


Map Showing Location of Peaks

 = Peaks climbed by David O'Brien   = Unclimbed peaks

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