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Kaffe fra Indonesien, det du skal vide om smag, oprindelse og typer
Written by Jonas Munch Schmidt-AndersenUpdated / Country / 5 minutes

Coffee from Indonesia, what you need to know about taste, origin, and types

If you have landed here, it is probably because you have encountered a coffee from Sumatra, Java, or Sulawesi somewhere and are wondering what makes it so different. In short: Indonesian coffee is known for its heavy body, low acidity, and earthy, often herbal flavor notes, a profile resulting from a very specific processing method called wet hulling.

We will guide you through it all here, no strings attached.

In short, Indonesian coffee is primarily grown on the islands of Sumatra, Java, and Sulawesi and is known for a full-bodied, earthy, and low-acid taste with notes of dark chocolate, spice, and sometimes tobacco or earth. This is due to a unique processing method, wet hulling (giling basah), where the beans are hulled while still moist. Both Arabica and Robusta are grown in the country, and the islands are also home to kopi luwak, one of the world's most talked-about (and expensive) coffees.

What is Indonesian coffee, really?

Indonesian coffee is a collective term for coffee grown in Indonesia's tropical archipelago, primarily on Sumatra, Java, and Sulawesi. The country is one of the world's largest coffee producers and cultivates both Arabica and Robusta, often side-by-side in the same region.

What truly characterizes Indonesian coffee is not just where it grows, but how it is processed. Most producers use a method called wet hulling, locally known as giling basah, which gives the coffee a deeper, heavier, and earthier character than you typically find in coffee from, for example, Africa or South America.

This is the same principle we care about every single day: origin, soil, and processing shape the taste just as much as the roasting does.

The three coffee regions you should know

Indonesia is a country of thousands of islands, but the majority of the coffee you encounter in a cup comes from three regions. Each of them has its own character.

Region: Sumatra
Known for: Mandheling and Lintong coffee, largest production
Typical flavor profile: Full-bodied, low acidity, notes of dark chocolate, earth, and spice

Region: Java
Known for: Historical Arabica production, often plantation-run
Typical flavor profile: Round and full-bodied, milder than Sumatra, often notes of nuts and tobacco

Region: Sulawesi
Known for: Toraja coffee from mountainous areas
Typical flavor profile: Complex and acidic, with chocolate, caramel, and a slightly tangy aftertaste

If you ask "what is Indonesian coffee known for," the answer is not one single expression, but three quite different styles that share the same root: damp soil, high humidity, and a processing method that is unique to the region.

Why does Indonesian coffee taste so different?

The short answer: wet hulling.

In most coffee regions in the world, the beans are dried completely before the husk is removed. In Indonesia, they do it the other way around. The beans are hulled while they still contain a high moisture content, typically 30 to 35 percent, and are only dried completely afterward. It is a practical solution to the damp, tropical climate, but it also has a marked effect on the taste.

Wet hulling (giling basah)
Drying: The bean is hulled wet and dried afterward
Acidity: Significantly lower, softer acidity
Body: Heavy, full-bodied, and syrup-like
Typical notes: Earth, dark chocolate base, spice, sometimes mushroom or tobacco

Traditional washed/natural process
Drying: The bean is dried completely before hulling
Acidity: Often higher and more vibrant
Body: Varies by origin
Typical notes: Fruit, flowers, citrus

It is precisely this process that gives coffee from Sumatra its characteristic, almost syrupy body, which many coffee drinkers either love or find too intense. There is rarely anything in between with this type of coffee.

Kopi luwak, the world’s most talked-about coffee

You cannot talk about coffee from Indonesia without mentioning kopi luwak, and most people searching for the topic wonder the same thing: what exactly is it, and why is it so expensive?

Kopi luwak is coffee beans that have passed through the digestive system of a civet cat (a luwak) before being collected, cleaned, and roasted. The digestive process supposedly alters the bean's enzymes and results in a milder, less acidic cup.

Here we have to be completely honest, as we always strive to be: a large part of the commercial kopi luwak production today involves cage-farmed civet cats under conditions that have been criticized for animal welfare. This is something you should rightly be aware of if you are considering buying it, no matter how exotic the story sounds.

Arabica or robusta from Indonesia?

Indonesia is one of the few countries that genuinely grows both coffee species on a large scale. The distribution varies from region to region, but roughly speaking:

  • Sumatra and Sulawesi produce primarily high-quality Arabica, often grown in higher-altitude areas.
  • Large parts of the Robusta production come from lower-lying areas and are typically used in instant coffee and blends, where strength and price carry more weight than nuances.

If you want to read more about what the difference between the two coffee species actually means for the taste in your cup, we have a whole section on just that in our article on Arabica beans.

How to compare Indonesian coffee with other origins

If you are the type who wonders about "Indonesian coffee versus Colombian" or other classic origins, here is a quick overview. We do not currently sell coffee from Indonesia (more on that in a moment), but the comparison provides a good picture of where it sits in the flavor universe.

Indonesia (e.g., Sumatra)
Acidity: Low
Body: Heavy, full-bodied
Typical character: Earthy, spicy, dark chocolate

Colombia
Acidity: Medium
Body: Round, balanced
Typical character: Caramel, nuts, soft and balanced

Kenya
Acidity: High
Body: Silky, light
Typical character: Lively, fruity, floral

Brazil
Acidity: Low
Body: Full, round
Typical character: Chocolate, nuts, low acidity

If you usually love Kenyan coffee for its acidity and liveliness, Indonesian coffee will likely feel like the total opposite. If, on the other hand, you are looking for something heavy, full-bodied, and calm in the cup, you will likely find much to like, both in Indonesian coffee and in our Brazilian coffees, which share some of the same low-acidity, high-body characteristics.

Does Copenhagen Coffee Lab have coffee from Indonesia right now?

Honest answer: no, not at the moment. We currently have no coffee from Indonesia in our assortment.

That does not mean we aren't keeping an eye on the region. We only work with beans we believe in, grown under the right conditions and delivered from producers we know and trust. So, if one day we find an Indonesian coffee that lives up to that, you will hear it first.

Explore our entire complete assortment.

How to brew a full-bodied, earthy cup

Whether you come across a Sumatra coffee from us one day or elsewhere, here is what you need to know about brewing it correctly.

The heavy body and low acidity in wet-hulled coffee make it an obvious candidate for a French press or espresso, methods that emphasize fullness and body rather than light, acidic nuances. In a filter, on the other hand, it can quickly be perceived as heavy unless you adjust the brewing ratio slightly.

For you, this means:

  • Choose a coarser grind for French press so you avoid bitterness
  • Use a slightly shorter brewing time than you are used to with light-bodied coffees
  • Try a slightly colder brewing temperature if the coffee is perceived as too heavy or bitter

If you are generally curious about brewing methods, we have several guides in our filter coffee category and espresso category, regardless of which origin you end up brewing.

Copenhagen Coffee Lab perspective

We love that coffee can taste so differently from island to island, from soil to soil. Indonesian coffee is one of the clearest examples of how much processing means for what you end up with in the cup, whether it is your beans or someone else's.

By the way, we roast all our coffee in our own roastery in Copenhagen and always ship it within 10 days of roasting, regardless of which origin you choose from our current assortment.

FAQ

Where does Indonesian coffee come from?

Primarily from the islands of Sumatra, Java, and Sulawesi. Sumatra accounts for the largest share of production and is known for its heavy, earthy coffee.

Is Indonesian coffee stronger than other coffee?

Not in caffeine strength, but in flavor intensity and body. The low acidity and heavy body can make it feel "stronger" in the cup, even when the caffeine content is comparable to other origins.

Can you get Indonesian coffee that is Fairtrade or organic?

Yes, there are both Fairtrade-certified and organic producers in Indonesia, just as in many other coffee-producing countries. However, we do not currently have any Indonesian coffee in our own range, certified or otherwise.

Why is kopi luwak so expensive?

Because production is limited and labor-intensive to harvest, and because the story behind it has become part of the marketing. However, we would always encourage you to be aware of the animal welfare aspect before you choose it.