Narbona Pass

Overview

Narbona Pass is a Category 3 climb in the United States, running 9 km from a start elevation of 2242 m to a summit at 2661 m. Over that distance it delivers a net elevation gain of 419 m at an average gradient of 4.66%. It is a mid-length effort that sits in territory most trained riders can hold at a steady tempo, but the numbers reward a rider who reads the profile before committing to a pace.

The gap between net elevation gain and total ascent is worth noting. The climb gains 419 m net but racks up 435 m of total ascent, meaning roughly 16 m of the road actually descends before climbing again. That undulation is small in absolute terms, but it tells you the road is not a single clean ramp. Expect short kicks and brief releases rather than a uniform drag, which changes how you should meter your effort.

How the Gradient Unfolds

The 4.66% average is a blended figure that hides real variation. With a maximum gradient of 12.67%, there is at least one pitch nearly three times steeper than the average, and the 16 m of descending between the net gain and total ascent confirms the road briefly gives elevation back. Averages flatten these spikes, so ride the terrain in front of you, not the summary number.

• Flatter or recovery sections where the road eases below the average and briefly loses a little height
• Repeated short climbs stacked between those releases rather than one continuous gradient
• A steepest ramp near 12.67% that demands you shift down early and protect your legs

Pacing Notes

On an undulating climb like this, even-effort pacing beats even-speed. Chasing a constant speed forces you to spike your power on every steep pitch and coast on the descents, which burns matches you will want later. Instead, hold a steady output and let your speed rise and fall with the road.

Anchor that effort to your sustainable power output and stay just below it on the flatter sections so you have headroom for the 12.67% ramp. If you do not know your number, run the FTP estimator before you ride and set your target from there.

Gearing

The steepest gradient governs your gearing choice, and 12.67% is steep enough to warrant a proper climbing setup. Fit a compact or sub-compact chainset paired with a wide-range cassette, something like a 34×32 or 34×34, so you can keep your cadence up through the steepest ramp without grinding. Check your chainring and cassette combination before the ride rather than discovering a gap in your range on the climb itself.

Summary

• Length: 9 km
• Average gradient: 4.66%
• Maximum gradient: 12.67%
• Net elevation gain: 419 m
• Total ascent: 435 m
• Category: 3

Narbona Pass is a manageable Category 3 climb whose short undulations and 12.67% peak reward disciplined pacing and honest gearing. Ride it to effort, gear for the steepest pitch, and the 419 m of gain comes without drama.