- O -

Mount Oklahoma - 13,845' -
September 20, 1998 - Chris Wetherill  
 
 
Old Baldy - 13,038'
August 16, 1998 - Theron Welch
 
 
Otis Peak - 12,486'
July 18, 1998 - Nate Berg's Web Stop
 
 
Mount Ouray - 13,971' -
July '85 - Chris Wetherill  
March 13-14, 1999 - Los Alamos Mountaineers Club
October 14th, 2001 - Brian Rachford's Home Page    
 
 
Ouzel Falls (RMNP)
Winter 97/98 - Phil Geo
July 11, 1999 - Los Alamos Mountaineers Club
 
 
Mount Oxford - 14,153' -
date unknown - Mark Meng
Winter 99/2000 - Chris Long
August 6, 1985 - Gary Stearns
September 6, 1993 - Chris Wetherill
August 8, 1993 - Mark Vanderbrook
June 25, 1994- Bob Broeking - The White Spider
July 5, 1996 - Brian Rachford's Home Page
September 14, 1996 - Chris Palmer    
August 2, 1997 - Mike Kosel    
September 13-14, 1997 - Los Alamos Mountaineers Club
September 18, 1997 - Brian Schultz
September 1998 - Steve Fry
December 13, 1998 - Steve Bremner
Summer, 1999 - Mountain Goat    
June, 1999 - Nelson Brentlinger
August 28, 1999 - Jim Mallory's Colorado Mountain Climbs  
June 2000 - Steve Bonoski  
July 16, 2000 - Steve Bremner  
July 28-29, 2000 - Dawn DuPriest
June 26, 2001 - Steve Bremner     
October 21, 2001 - John Maki