Note! This is the old version of World of O which is kept only for historical reasons. Links are mostly dead - please use WorldofO.com

• Caltech Orienteering Club Club of students and Alumni at California Institute of Technology. (Clubs, USA)
• CenTexO Informal orienteering meets for Austin, Houston and San Antonio (Clubs, USA)
• CenTexO Informal orienteering meets for Austin, Houston and San Antonio (Clubs, USA)
• Houston Orienteering Club The only active Orienteering Club in south Texas (Clubs, USA)
• North Texas OA The North Texas Orienteering Association is located in the Dallas/Fort Worth area of North Texas. NTOA hosts 8-10 competitions per season, plus monthly tra (Clubs, USA)

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