Col du Platzerwasel

What to Expect from Col du Platzerwasel

The Col du Platzerwasel sits in the Vosges mountains of northeastern France, a Category 2 climb that rewards riders who do their homework before the first pedal stroke. At 12 km with a net elevation gain of 647 m, the numbers look manageable on paper — but the average gradient of 5.38% conceals some genuinely punishing terrain.

The total ascent figure tells the more honest story: 1,140 m of climbing across 12 km means the road doesn't simply go up in a straight line. There is meaningful undulation, with descending or flat sections that temporarily reset the legs before the gradient reasserts itself. Any climb where total ascent is nearly double the net elevation gain demands respect for what's coming after each easier passage.

Gradient Profile

The average of 5.38% puts Platzerwasel in the moderately demanding bracket — uncomfortable but sustainable for most trained riders when taken steadily. The maximum gradient of 24.53% is the figure that changes your race plan. A ramp approaching 25% is not a number to absorb casually; it is the kind of pitch that forces even strong climbers out of the saddle and, if arrived at with empty legs, can bring a ride to a near standstill.

The climb begins from 548 m elevation. The early kilometres from this start point tend to set a rhythm before the road steepens. The repeated undulation suggested by the total ascent data means you should not treat any easier section as recovery time to be burned through at tempo — those grades are where you rebuild glycogen debt and lower heart rate before the next hard pitch arrives.

Pacing Strategy

The single biggest mistake on Platzerwasel is riding the moderate sections too hard. With an average gradient that feels accessible, the temptation is to push above threshold early and bank time. Resist it.

• Set a ceiling on the easier grades. Target a sustainable percentage of your FTP on the flatter passages — not a number that feels easy, but one that keeps something in reserve.
• Anticipate the 24.53% ramp. When the gradient spikes toward its maximum, your power output will rise sharply regardless of intent. If you arrive there already deep in the red, the climb ends there in any practical sense.
• Use the descents and flat breaks deliberately. The gap between 647 m net gain and 1,140 m total ascent means the road gives back elevation at points. Spin out, recover breathing, and reset before the next ascent segment.
• Gearing: A compact chainset is the baseline recommendation. Given the 24.53% maximum, a wide-range cassette (32T or larger on the rear) is not overcautious — it is the correct tool. Riders using standard gearing will find the steepest pitches require significant out-of-saddle effort that accelerates fatigue across the remaining distance.

Category Context

As a Category 2 climb, Platzerwasel demands a structured approach rather than a reactive one. It is harder than it appears from the average gradient alone. The 1,140 m of total ascent across 12 km confirms that the difficulty is distributed — not concentrated in a single grinding wall — which makes consistent pacing more important than explosive capacity.

If you want to benchmark where your current fitness sits before attempting this climb, the FTP estimator gives a reliable baseline for setting gradient-specific power targets.