EASY
Relatively flat and smooth trails that can be completed by almost anyone. For paddling trails, these require little or no prior experience and no skilled maneuvering.

MODERATE
May have a few hills or steep sections, or multiple surface types. Most people should have little difficulty completing. For paddling trails, some prior experience is suggested.

DIFFICULT
Mainly natural surface trails with more difficult hills, exposed roots, or slipping hazards. For paddling trails, prior experience, skillful maneuvering, and portaging skills are required.

ADVANCED
Typically single track, natural surface, narrow trails with many hills or steep sections, tight turns, exposed roots or slipping hazards. May require specialized equipment or technical skills. For paddling trails, advanced whitewater skills are required.