Cascade Pass

Overview

Cascade Pass earns its Category 1 rating through a combination of sustained effort and at least one stretch of savage gradient. At 9.6 km with an average gradient of 6.74% and 646 m of net elevation gain, the numbers look manageable on paper — until you account for a maximum gradient of 24.22% and a total ascent figure of 1,204 m. That gap between net gain (646 m) and total ascent (1,204 m) tells you something important: this road undulates. You will give back elevation you have already paid for, which means the average figure understates the overall workload significantly.

Gradient Breakdown

The climb starts from an elevation of 518 m and reaches the summit at 1,164 m. That 646 m of net elevation gain is spread unevenly. The total ascent of 1,204 m across 9.6 km means there are descents or flat rolls baked into the route that force your legs to re-engage multiple times before the summit.

What the 24.22% Maximum Means in Practice

A 24.22% ramp is not a sustained wall — at that angle, roads rarely hold maximum gradient for more than a few hundred metres — but it is steep enough to stall riders who arrive at it already fatigued or in the wrong gear. At 24%, even a compact chainset (34t inner ring) paired with a 32t cassette gives you a gear ratio that demands real leg strength. If you are running a standard double, this section becomes a test of muscular endurance as much as aerobic capacity. Consider your FTP carefully before committing to a gear selection strategy — use the FTP estimator if you have not tested recently.

Pacing Strategy

The average gradient of 6.74% is firm but not extreme. The danger on a climb with this profile is inconsistency: riders tend to push too hard on the easier ramps, arrive at the steep sections with depleted reserves, and either blow up or are forced into an ugly grind.

Recommended approach:

• Treat the early kilometres conservatively. With a total ascent nearly double the net gain, assume there are punchy rollers or short descents ahead. Burning matches early costs you on the re-climbs.
• Identify the 24.22% section before you ride. Recce the profile using a GPS file or elevation trace so you know where the maximum ramp sits. Shift down one gear earlier than you think you need to.
• Manage cadence across gradient changes. On a road that oscillates, maintaining a consistent power output across varying gradients matters more than holding a fixed cadence. Let cadence drift slightly on the descents rather than spinning out; recover oxygen debt on those sections before the next upward pitch.
• Gearing minimum: A 34/32 or 34/34 combination is advisable if you are targeting the 24% section without blowing your legs for the kilometres that follow.

Category Context

As a Category 1 climb, Cascade Pass sits one tier below the hors catégorie designation. It demands a full pacing plan, adequate fuelling before the summit, and gearing suited to both the average and peak gradients. Riders comfortable on comparable climbs at the Category 1 level will find Cascade Pass challenging primarily because of the undulating total ascent profile rather than relentless sustained gradient.

Key Numbers at a Glance

Do not let the 6.74% average lull you into underpreparing. The 24.22% maximum and the 1,204 m total ascent signal a climb that punishes complacency.