4x4 Trail Info
4x4 Trail Info
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Rating Systems:

4x4TrailInfo
Arizona
Arizona Land Rover Rally
ASA4WDC
AZ Rockcrawler.com
AZVJC
BadAss
Black Hills 4 Wheelers
Black Hills Jeeps
C.O.R.E.
CA Parks
Californiajeeper.com
Colorado
DVO
Expeditions West
Extreme4x4
GLFWDA
Jeep Jamboree
JonFund
Massey/Wilson
Moab
Nevada
Northern4x4
ORN
Sedona
SITR
Tellico
TTORA - NorCal
USFS
Vermont
Wells
Yuma

ASA4WDC
Trail Rating System

The system used by the Arizona State Association of 4 Wheel Drive Clubs, at least in the EA for their 2004 Jamboree.

1.01-2Improved Dirt Road.
2.03-4Unimproved dirt roads. Potholes, minor wash outs, medium sized rocks and mud holes.
Higher ground clearance helpful. Street tires ok but off road tires recommended.
2.54(Not described)
3.05Moderate Trail. Loose gravel, large pot holes, steep inclines, medium sized rocks
3.56Difficult Trail. Loose gravel, large pot holes, steep inclines, medium sized rocks. 3-4
foot ledges or rock climbs; and off-camber situations. Body damage possible.
4.07-8Extreme Trail. Large rock ledges and crevices; large boulders, steep inclines and off
camber situations. Some alternate routes available. Body and tire damage likely.
4.59Extreme Trail. 5-10 foot rock ledges and crevices; large boulders, steep inclines and off
camber situations. Tight squeezes and possibility of roll overs. Few, if any, alternate
routes. Depending on wheelbase, vehicles may have problems with breakover angles,
and all may have to use a winch or strap. Body and tire damage likely.
5.010Extreme Technical Trail. 5-15 foot rock ledges and crevices; large boulders, steep
inclines and off camber situations. Tight squeezes and possibility of rollovers. Few, if
any, alternate routes. Depending on wheelbase, vehicles may have problems with
breakover angles, and all may have to use a winch or strap. Body and tire damage
likely. Trail may be impassible and realistically should be run with a fully modified rock
buggy.

Note: Trail ratings are highly subjective. A trail that is easy for an experienced driver with a highly modified vehicle may be impassable for a novice driver in a stock vehicle. Weather conditions may also significantly affect the difficulty of a trail. Also, the difficulty of a trail may change over time, as trail use, weather, and maintenance modify the trail. Always check with the managing organization and/or recent users before planning a trip on a trail and scout ahead on foot if you are not sure of current conditions.