1 All weather road; 4WD not needed.
Required equipment for this trail: none
1 1/2 Graded road; 4WD may be needed in poor weather.
Required equipment for this trail: none
2 Unimproved or rarely graded road. 4WD or extra clearance needed at times, with no special driving skills required.
Required equipment for this trail: none
2 1/2 Road rarely maintained, 4WD, good clearance, low gears often needed, with some extra care and a bit of driving experience useful.
Required equipment for this trail: none
3 Road in difficult terrain, rarely maintained, 4WD, good clearance, and low gears essential, with some driving skill and daring required.
Required equipment for this trail: none
3 1/2 Road in difficult terrain, probably maintained only by occasional users. Excellent stock truck or utility vehicle required, with considerable driving skill and daring needed.
Required equipment for this trail: tow hooks front and rear and tow strap with loops. 30" tires required with larger tires recommended. Fire extinguisher and first aid kit also recommended.
4 Trail either never bladed or badly eroded. Stock vehicles are in jeopardy. Modifications for improved off-road performance and top driving skills needed.
Required equipment for this trail: tow hooks front and rear, tow strap with loops, locking differential in at least one axle. 31" tires minimum, fire extinguisher and first aid kit. 33" tires or larger tires recommended.
4 + We can hardly improve on the original description written a few years ago by Jack Bickers: "with driving by World Class Yahoo Jeepers not much concerned with vehicle durability or personal safety." It is common to have as many as 10 percent of the vehicles experience major mechanical failures (gears, axles, driveshafts) on these trails.
Required equipment for this trail: tow hooks front and rear, tow strap with loops, locking differential in at least one axle. 33" tire minimum, fire extinguisher and first aid kit. Winch, roll cage, two locking differentials and 35" tires or larger recommended.
5 Extreme trail recommended for purpose built rock buggies only. Body damage and rollovers are expected. Caution as personal injury could occur. Trail leader has the right to refuse participation to anyone.
Required equipment for this trail: Tow hooks front and rear, tow strap with loops, locking differential in both axles, winch, minimum 35" tires, full roll cage, fire extinguisher and first aid kit. Tech inspection will be required for this trail rating. Inexperienced drivers no matter the equipment will be asked to join another trail.
