Skill level and trail difficulty

Circle symbol used to denote easy trails.

Green circle (easiest)

  • Most highly-developed class of trails (almost road like) with no steep hills and few obstacles.
  • Intended for novice riders who have mastered the basic skills necessary for safe operation on well-developed trails.
  • Also for those lacking the experience or desire to ride more difficult trails.
  • Approximately 10% of trails are classified as "easiest."
Square symbol used to denote more difficult trails.

Blue square (more difficult)

  • Suitable for the majority of intermediate riders.
  • More difficult trails are narrower with steeper hills and switchbacks and some moderate obstacles.
  • Intended for OHV enthusiasts with well-developed skills seeking a reasonably challenging trail ride.
  • Riders subjected to higher degree of risk and exposure.
  • Approximately 80% of trails are classified as "more difficult."
Diamond symbol used to denote difficult trails

Black diamond (most difficult)

  • Most primitive class of trails requiring a high-level of skill and experience.
  • Very steep grades, narrow trails, sharp alignments, rough or loose tread surfaces, and substantial obstacles.
  • Suitable only for proficient or expert riders to test their machines—and their own skills and abilities.
  • Approximately 10% of trails are classified as "most difficult."