AdvenChair Field Guide
Page 22
Trail difficulty levels
The AdvenChair Trail Difficulty Rating System is modeled after the
but adjusted for the special requirements of wheelchairs.
Table 1: AdvenChair Trail Difficulty Rating System
Easiest
Surface:
Accessible paved or hard footing
Steepness:
Generally flat with only short sections of gentle uphill or
downhill
Obstacles: None
Trail Width:
Greater than 48” with no narrow sections
Suggested Minimum Team Size: 2; rider and driver
Easy
Surface:
Almost all firm footing with short sections of uneven
material
Steepness:
Generally flat with some sections of easy uphill or
downhill
Obstacles:
2” or less: Rocks, ruts, or roots. There may be curbs or
short sections of 2 to 3 stairs.
Trail Width:
Greater than 36” with no narrow sections
Suggested Minimum Team Size:
3; rider, driver, lead mule
Moderate
Surface:
Mostly firm footing with long sections of uneven material
Steepness:
Includes long sections of moderate uphill or downhill
Obstacles:
8” or less: Rocks, ruts, logs, or roots. May include short
sections of constructed stairs.
Trail Width:
Generally greater than 36” with short narrow sections.
No or very minor side-slopes.
Suggested Minimum Team Size:
4; rider, driver, lead mule, extra
mule
Moderate/Difficult
Surface:
Mix of firm footing and loose, uneven material
Steepness:
Includes long sections of moderate uphill or downhill and
short steep sections
Obstacles:
Many obstacles of 8” or less and occasional obstacles of
12” or less: rocks, ruts, logs, or roots. May include short sections of
stairs or uneven steps constructed of logs or rocks.
Trail Width:
Generally greater than 32” with narrow sections. May
include some gentle side-slopes.
Suggested Minimum Team Size:
5; rider, driver, lead mule, 2 extra
mules