Bronco Trail Ratings
Every UBC-led run is classified on the 1–10 scale below — the club’s official trail difficulty standard. Know your rig’s real capability before you sign up, and ask a trail leader if you’re not sure a rating matches your build.
● Beginner Friendly — Ratings 1–3
County Road
Maintained for high clearance, adverse conditions
County dirt road maintained for high-clearance 2WD and 4WD use in adverse conditions.
Light-Duty 4WD
Infrequent maintenance after rain or snow
County dirt road with infrequent or light maintenance. High-clearance, light-duty 4WD required.
Entry Trail
Loose rock, dirt, sand, some slickrock
Mud holes possible, no steps higher than 12″. 4WD required; 33″ tires a plus.
● Moderate — Ratings 4–6
Moderate
Erosion, washes, and steps to 18″
4WD and 33″ tires required (35″ a plus). Enhanced suspension travel and good ground clearance helpful. Good driving skills a plus.
Moderate+
Rutted, rocky, steps to 24″, water to 12″
4WD, 33″ tires, and a working traction-adding device required (35″ tires a plus). Above-average driving skills desirable; a winch is a plus.
Advanced Moderate
Considerable erosion, steps to 36″
4WD, 35″+ tires, and two traction-adding devices required. Winch a plus. Excellent driving skills recommended.
● Difficult & Extreme — Ratings 7–10
Difficult
Steps over 48″, steep inclines
Locking diffs front & rear, 35″ tires, max ground clearance, and tow hooks required. Vehicle damage likely; rollover possible.
Very Difficult
Extreme — same as 7, plus 37″ tires
Excellent driving skills required. Vehicle damage likely; rollover possible.
Extreme
Steps over 60″, off-camber sections
Working front & rear lockers, 37″–40″ tires, winch, tow hooks, 100″ min. wheelbase. Rollover common — bring spare parts and tools.
Buggy Territory
Let the carnage begin
Street-driven 4x4s should not attempt this. Modified factory rigs will not complete this trail.
Not sure where your rig fits? Ask in the UBC community or reach out to a trail leader before an event — matching your rig to the right rating is exactly what they’re there for.
Utah Bronco Club (UBC) is a DBA of Utah Bronco Association, a 501(c)(3) nonprofit organization.