Zwift Climbing Difficulty

There are a number of climbs in Zwift, but I couldn’t find an ordered list of climbs ranked by climbing category. So I pulled all the info I could find together into this page.

Zwift’s “Trainer Difficulty” Setting

Before going further I should state that this is not about how to change the Trainer Difficulty setting. When using a smart trainer, Zwift gives the rider the ability to make the virtual hills and mountains seem more or less realistic to the actual grade. I personally like to set this setting to maximum, but you may not.

Zwift’s Trainer Difficulty setting

If you are at all interested in knowing more about this, check out the following links:


Zwift Hills / Mountains By Map and Climb Category

I have taken the climb category information from Veloviewer and Strava for each climb. I have listed all the active KOM / QOM leaderboard climbs that I am currently aware of. If I have missed any, please do leave a comment and let me know.

I have also listed any “unofficial” (non KOM / QOM) climbs that are significantly challenging.

For quick reference climb categories are determined by the length of the climb in metres, multiplied by the grade of the climb. This gives:

  • Cat 4 climb: 8000
  • Cat 3 climb: 16000
  • Cat 2 climb: 32000
  • Cat 1 climb: 64000
  • HC (Hors Categorie) climb: 80000

This information is taken from Strava support

Here we go, from hardest to “easiest” climb, on each map that Zwift has to offer:

Watopia (KOM / QOM)

RankNameCategoryDistanceClimbAvg.
Gradient
1Alpe du ZwiftHC12.22km1036m8.2%
2Epic KOM Reverse26.19km365m6%
3Epic KOM Forward29.41km364m4%
4Volcano KOM43.75km120m3%
5
Hilly KOMn/a0.9km58m6%
6Hilly KOM Reversen/a2.49km46m2%

Watopia Honourable Mentions

These are good climbs without a KOM / QOM leaderboard.

RankNameCategoryDistanceClimbAvg.
Gradient
1Radio Tower41.1km150m13.7%

Innsbruck

RankNameCategoryDistanceClimbAvg.
Gradient
1Innsbruck KOM Reverse25.73km396m7%
2Innsbruck KOM27.4km400m5%

London

RankNameCategoryDistanceClimbAvg.
Gradient
1Keith Hill KOM34.21km221m5%
2Leith Hill KOM41.95km134m7%
3Box Hill KOM43.01km136m4%
4Fox Hill KOM42.41km120m4%

New York

RankNameCategoryDistanceClimbAvg.
Gradient
1NYC KOM Forward41.36km88m6%
2NYC KOM Reversen/a1.14km68m6%

Richmond

RankNameCategoryDistanceClimbAvg.
Gradient
1Libby Hill KOMn/a0.63km39m6%
223rd Street KOMn/a0.26km27m10%

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