Slope difficulty levels and their meaning (2024)

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Ski, Snowboard | Feb 16, 2022

What do the different colours and symbols mean?

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Slope difficulty levels and their meaning (1)

Martin Bieswanger

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Most winter sports enthusiasts have skied blue, red or even black ski runs before. You probably also know that blue means “easy”, red means “intermediate”, and black means “expert”. The colour coding of the slopes is mainly based on their gradient. In general, however, everything revolves around one topic: safety.

When it comes to symbols and unusual colours, things can get a little trickier: What does a black diamond, a green circle, or a yellow slope mean, for instance? And are the difficulty ratings the same in every country? We talked to our winter sports experts and summarised what you need to know about slope difficulty levels.

Why are there slope difficulty ratings for skiers and snowboarders?

First things first: The colours serve as a rough guideline for winter sports enthusiasts. The difficulty ratings only contribute to a safe experience on the slopes if you combine them with a healthy (self-)assessment of the situation.

Depending on skill level, fitness, and current snow and weather conditions, every skier and snowboarder needs to decide for themselves: Am I able to ski this slope, or should I rather try another, easier descent? Can I ski this slope safely, or am I endangering myself and others? You certainly don’t want to end up in pickle – or worse, mortal danger. And plaster casts and crutches didn’t make it onto the list of this season’s ski fashion trends either.

The following factors should influence your decision:

  • tiredness & exhaustion
  • wind, rain or snowfall
  • cold weather & ice
  • fog & reduced visibility

Slope difficulty levels and their meaning (2)

How do ski runs receive their colours?

Ski runs are colour-coded based on the motto: the steeper, the more difficult. At least that’s the case in most Alpine countries. For this purpose, the average gradient of the terrain on the respective section of the slope is determined with the help of special measuring devices.

However, please keep in mind: A blue slope can quickly turn from an easy into a difficult one when it’s icy. Weather conditions do not change the colour of the run, so they must always be taken into account before you hurl yourself down a descent. Permanent structural changes, on the other hand, can be a reason to change the colour coding of a slope.

Slope difficulty levels and their meaning (3)

Slope difficulty levels and their meaning (4)

Skiers should know about the following difficulty ratings

It is actually the gradient and not the difficulty that’s the deciding factor for the colour of a ski run. If you’ve ever gone skiing in the Alps, you’re probably familiar with the common difficulty ratings. However, if you’d like to review them, we’ve listed them below.

Good to know: Colour-coded ski runs are regularly checked (at least daily), groomed and secured against avalanches.

Blue slopes – easy

All ski runs with a maximum gradient of 25 per cent are marked blue. Short off-piste sections are excluded. Blue ski runs are ideal for beginners, children and returning skiers. They are good for learning and practising basic skills and are usually relatively wide.

Slope difficulty levels and their meaning (5)

Red slopes – intermediate

Slope difficulty levels and their meaning (6)

The average gradient range of a red ski run is between 25 and 40 per cent. Red runs are usually slightly narrower than blue ones and ideal for advanced skiers and snowboarders. Many winter sports enthusiasts use red runs to prepare for steeper terrain or to finetune their carving technique. However, short turns are also very enjoyable on intermediate runs.

Black slopes – expert

All slopes with a gradient of more than 40 per cent are marked black. For beginners, skiing on black ski runs is dangerous. Those who are experienced in short turns and fast-paced skiing will have a lot of fun on them, though. Carving, on the other hand, is not advisable on steep slopes. Are red slopes still a challenge for you? Then you should stay away from black runs.

Slope difficulty levels and their meaning (7)

Other ski run colours

Green:

  • very easy, flat slopes, and practice slopes (without exact definition) – not common in Austria
  • in France and North America: slopes with a gradient range between 6 % and 25 %
  • in Scandinavia and Spain: practice slopes with a gradient of up to 16 %

Yellow, orange or red dashed line:

  • ski routes and other itinerary runs: marked and secured, but not groomed
  • require experience and confidence in your own skiing ability
  • are usually checked irregularly
  • exception: In France, ski routes are officially considered “controlled areas”.

Off-piste terrain:

Everything outside the marked ski runs is off-piste terrain – often also called backcountry. These areas are not checked, groomed or secured. They should therefore only be used by experienced skiers and snowboarders.

Slope difficulty levels and their meaning (8)

Difficulty ratings abroad

Other countries = other colours and symbols. This isn’t true for the Alpine region (which shares a common system), but it is for other countries in Europe as well as North America. We have summarised the most important “codes” for you (percentages = gradient).

Sweden and Norway

  • green: up to 16 %
  • blue: up to 27 %
  • red: up to 47 %
  • black: more than 47 %
  • double black: extremely difficult

North America

  • green circle: 6 to 25 %
  • blue square: 25 to 40 %
  • black diamond: more than 40 %
  • double black diamond: extremely difficult, e.g. with narrow bends and lots of moguls

Note: Colour-coded ski run levels in the North American system are only ever in relation to other runs within the same ski resort. This means that a green circle can stand for different levels of difficulty in different ski areas.

What do you do if a ski run is too challenging?

Slope difficulty levels and their meaning (9)

What if suddenly you find yourself at the top of or in the middle of a ski run and you can't go any further? Too steep, too icy, too bumpy. Your strength is leaving you. There’s poor visibility. And all of a sudden, panic strikes …

If you happen to end up in this situation – turn around if possible and take the lift down. If you don’t have this option, you can use the sliding technique and slide down slowly along the edge of the slope. If you’re having problems with poor visibility, we recommend stopping at the next hut.

INTERSPORT Rent tip

According to the general rules of conduct of the International Ski Federation (FIS), every skier and snowboarder must ...

  • ... observe the slope markings, closures and other signs.
  • ... refrain from skiing off-piste, in wooded and protected areas.
  • ... be able to stop, turn and move within the ambit of their vision.
  • ... adapt their skiing and snowboarding to their ability and the prevailing conditions on the mountain as well as to the amount of downhill traffic.

Particular caution is advised in this respect in fog and snowfall, not least because of the reduced visibility. Fresh snow, for instance, can be the cause of bumps on otherwise even slopes and requires more effort when skiing.

In windy and cold conditions, your body uses more energy to keep warm than in higher temperatures. A factor that should not be underestimated! Last but not least, remember: The snow conditions on a ski run can change dramatically throughout the day, so reassess the situation every time you decide to ski a certain run!

PS: You can rent the right equipment for all weather and snow conditions at INTERSPORT Rent. Find a shop at your holiday destination right away!

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Slope difficulty levels and their meaning (2024)

FAQs

What are the difficulty levels of ski slopes? ›

The steepness of ski trails is usually measured by grade (as a percentage) instead of degree angle. In general, beginner slopes (green circle) are between 6% and 25%. Intermediate slopes (blue square) are between 25% and 40%. Difficult slopes (black diamond) are 40% and up.

What are the tiers of ski slopes? ›

Slope difficulty levels explained. What do the different colours and symbols mean? Most winter sports enthusiasts have skied blue, red or even black ski runs before. You probably also know that blue means “easy”, red means “intermediate”, and black means “expert”.

Is there a triple black diamond? ›

The Big Sky definition for a triple black diamond is “exposure to uncontrollable falls along a steep, continuous pitch, route complexity, and high consequence terrain”.

How difficult is a blue run? ›

Green runs are typically for beginners, blue runs are suitable for intermediate skiers and snowboarders, while black runs are reserved for advanced skiers and snowboarders who know how to handle challenging slopes. Red runs represent something between blue and black levels of difficulty.

What is level 7 skiing? ›

Level. Level 7. Ski. Can control speed through turn shape while parallel with a pole plant on all Blue and easy Black terrain. Developing skiing and carving on variable Black terrain.

What is the hardest ski slope? ›

Located in Jackson Hole, Wyoming, the Corbet's Couloir is one of the steepest ski runs in the world. Named after mountaineer Barry Corbet who spotted the narrow couloir in 1960, it is considered a real challenge for professional skiers let alone advanced skiers on a ski holiday to the USA.

What does ski type 1 2 and 3 mean? ›

Type I is considered green/beginner, Type II is blue/intermediate, and Type III is black/difficult. For Type I or “cautious” skiers, bindings will release boots quite easily, which is a good things since spills and falls are to be expected.

How many ski levels are there? ›

In general, there are three basic classifications of skiing: beginner, intermediate, and advanced or expert. However, there are more specific levels that typically fall within these three broader categories. Altogether, there are nine more specific levels of skiing.

What do skiing levels mean? ›

In the United States, these levels usually follow those defined by the Professional Ski Instructors of America. Level 1 is a first-time skier (never skied before, can't stop or turn) and level 9 is the highest, expert, level (and is a higher skill level than is required for instructors teaching most classes).

How steep is Big Sky? ›

After several days of skiing Big Sky's 45-degree slopes, I should've found my nerve, but Big Couloir is as intimating as anything I've attempted during 40 years of skiing. Reminding myself this is, after all, Wild West country, I take a deep breath and drop in.

What is the steepest ski run in North America? ›

Rambo at Crested Butte is the steepest human-made run in North America, with a pitch of 55 degrees. An experience unlike any other, dropping down at the Rambo is no easy feat for even the most seasoned skier.

Are black diamonds rarer? ›

Fancy black diamonds and Carbonados are both extremely rare. Only one in 10,000 natural diamonds are colored diamonds and only a portion of these colored diamonds are black. Because of their scarcity, natural black diamonds and Carbonados are the some of the most valuable and most costly.

Is the bunny slope green? ›

Green Circle

Sometimes you'll hear people refer to the “Bunny Hill” or “Bunny Slope,” which usually means a specific area of the mountain (usually near the lodge or base area) that has the easiest runs and is specifically for young or novice skiers. But there are also green slopes all over the mountain.

What does bunny slope mean? ›

: a hill or part of hill that is not very steep and that is used by people who are learning how to ski. — called also bunny hill, (British) nursery slope.

Is dry slope harder than snow? ›

Dry ski slopes tend to be more unforgiving than snow. Dry ski slopes are made up of plastic bristles which can tear at your clothes and even hurt when you fall over. Although this might not be seen as a bad thing to some and may even encourage you not to fall.

What is the difficulty score in ski resorts? ›

Generally, beginner slopes are between 6% and 25%, intermediate slopes are between 25% and 40%, and expert slopes are 40% and up.

What is level 5 skiing? ›

LEVEL 5. Able to ski strong parallel turns with a pole plant on all blue runs and easy black runs. Learning, short turns, off piste, moguls, powder and more difficult terrain.* *Terrain features/parks may be used in any lessons.

How many levels are there to skiing? ›

In general, there are three basic classifications of skiing: beginner, intermediate, and advanced or expert. However, there are more specific levels that typically fall within these three broader categories. Altogether, there are nine more specific levels of skiing.

What is the best slope for beginners skiing? ›

Green Ski Runs: The Beginner

If you're hitting the slopes for the first time, opt for green ski runs. Remember that all experienced skiers started out as beginners, so there's no shame in taking it slow! These pistes are wide and shallow, and the gradient is less than 25%.

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