See below for a variety of resources relevant to course planning (and mapping).

https://www.britishorienteering.org.uk/page/handbook_mapping

See below for a link to the current rules and guidelines for event planners, controllers and organisers on the British Orienteering website.

https://www.britishorienteering.org.uk/page/rules

See link below for a handy reference card for all the special symbols used for orienteering control descriptions:

events_2004iofcontroldescriptionsymbols