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IKnow-O: Learn Orienteering Symbols

Master the international symbols used in orienteering with interactive learning tools and quizzes.

Orienteering control description sheet

Key Features

Everything you need to understand and interpret IOF control description symbols.

Symbol Library
Comprehensive catalog of all IOF symbols with detailed explanations

Browse, search, and filter through all the official IOF control description symbols organized by category.

Interactive Quizzes
Test your knowledge with multiple difficulty levels

Challenge yourself with quizzes ranging from beginner to advanced levels. Get immediate feedback.

Control Sheet Simulator
Practice with realistic control description sheets

Interpret complete control description sheets in a simulated environment that mimics real orienteering courses.

Ready to master orienteering symbols?

Start with the basics in our symbol library or challenge yourself with a quiz.

What are Control Descriptions?

Control descriptions are a standardized set of symbols used in orienteering to describe the control points that competitors must visit. They provide precise information about the location and nature of each control.

The International Orienteering Federation (IOF) has established a universal system of symbols that transcends language barriers, making orienteering competitions accessible worldwide.

Why Learn These Symbols?

  • Essential for participating in orienteering events
  • Provides crucial information about control locations
  • Universal system used in competitions worldwide
  • Helps with route planning and decision making
  • Increases confidence and performance in the field