The British Schools Orienteering Association exists to promote and develop all forms of Schools Orienteering. The BSOA website contains information on the competitive sport, school sport, navigational challenges and map and compass recreation. Information for teachers and coaches is available, as is competition info.
The IOF site contains information on all disciplines of orienteering: foot, ski, mtb and trail. It features information on a huge number of orienteering competitions from all over the world, including reports and rankings. It also talks about the sport itself, the world cup and the organisations involved in the sport.
This is the definitive site for British Orienteering. It contains information on the sport, how to get involved, and who the BOF are. It also contains information on competitions, rankings, other organisations and a list of clubs.