Trail Difficulty Ratings
A simple colored symbol to classify a trail's difficulty was first used for ski trails and is now being used for hiking, bicycle, other trails and even airport security lines.
- Green circle - easy
- Blue square - moderate
- Black diamond - difficult
Other systems may be used in different locations.
Read more about this topic: Trail
Famous quotes containing the words trail and/or difficulty:
“vanished into nowhere Zen New Jersey leaving a trail of ambiguous
picture postcards of Atlantic City Hall,”
—Allen Ginsberg (b. 1926)
“The more difficulty there is in creating good men, the more they are used when they come.”
—Ralph Waldo Emerson (1803–1882)
Related Subjects
Related Phrases
Related Words