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Origin Story

Sulawesi Coffee: Toraja and the Highlands of the Celebes

Where the Toraja highlands meet the Flores Sea, Sulawesi produces Indonesia's most balanced coffee. Same species as Sumatra, same archipelago, but cleaner, more refined — like the difference between a wild cat and a domesticated one.

By Eric Bakken

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The mountain ranges of Sulawesi rise like the spine of some great, slumbering beast, their peaks catching the clouds that roll off the Flores Sea. At 1,700 meters in the Toraja highlands, the air is thin enough to make visitors pause at the roadside, hands on knees, while the Toraja people move through their day without notice. Here, coffee grows in the shadows of volcanoes that still exhale steam into the morning fog. The geology is what matters. The soil is andic, formed from volcanic ash and pumice, rich in aluminum and iron, with a structure that holds water but drains quickly. This is the same soil that makes the wines of Burgundy famous, though here it produces coffee instead. The pH sits around 5.5, acidic enough to encourage root growth but not so much that it burns the plants. The mineral content is high, and the organic matter decomposes slowly in the cool highland air, releasing nutrients over years rather than months. Coffee arrived here in the 1750s, brought by the Dutch who had already established plantations on Java. Sulawesi was a secondary concern, a place to plant what didn’t fit elsewhere. The Typica variety, the original arabica brought from Yemen, took root in the highlands. The Dutch built roads and processing stations, but the infrastructure was never as extensive as on Java or Sumatra. When the Japanese occupied the island from 1942 to 1945, they dismantled much of what remained. The coffee infrastructure was destroyed, and the plantations were abandoned. > “The Japanese occupation was a clean break,” says a local historian in Makale, the capital of Toraja. “Everything was burned or taken apart. The Dutch had built something, and then it was gone. The coffee survived because the trees were already in the ground, but the system around them was destroyed.”

Production in Sulawesi lagged behind the rest of Indonesia for decades. Java and Sumatra rebuilt quickly, with government support and foreign investment. Sulawesi was left to itself, its coffee grown by smallholders who sold to local collectors, who sold to exporters, who sold to the world. The chain was long and inefficient, and the quality suffered. But the geography remained, and the soil remained, and the coffee remained. In the 1970s and 1980s, development aid began to flow into the highlands. The Dutch, still connected through trade and history, helped rebuild some of the processing infrastructure. The Toraja people, who had maintained their own systems of agriculture and trade, began to see coffee as more than just another crop. The coffee began to attract attention from specialty buyers in the 1990s, who noticed that the beans from Toraja were different from those of Sumatra. > “Sumatra is wild,” says a roaster in Seattle who has been buying Sulawesi coffee for twenty years. “It’s earthy, it’s heavy, it’s unpredictable. Sulawesi is cleaner. It’s still Indonesian, but it’s more balanced. It’s like the difference between a wild cat and a domesticated one. Same species, different temperament.”

The defining characteristic of Sulawesi coffee is its balance. It carries the earthy, full-bodied character that defines Indonesian coffee, but it is cleaner, less wild, and more approachable. The body is the defining feature — silky and coating, like dark chocolate melted on the tongue. The acidity is low, almost absent, and the flavors are subtle: dark chocolate, subtle spice, a hint of fruit that never quite announces itself. It is not as divisive as Sumatra, which can be polarizing in its intensity. Sulawesi is easier to love, less aggressively earthy, more refined. The regions that produce this coffee are small and specific. Toraja is the primary arabica region, with elevations ranging from 1,400 to 1,900 meters. The soil here is the most fertile, and the climate is the most stable. Kalosi, near Enrekang, sits at 1,400 to 1,800 meters and produces coffee similar to Toraja, though slightly less refined. Mamasa, west of Toraja, ranges from 1,300 to 1,700 meters and produces coffee that is earthier, closer to Sumatra in character. > “The difference between Toraja and Kalosi is like the difference between a fine wine and a good one,” says a exporter in Makassar. “Toraja is more consistent, more refined. Kalosi is more variable, more rustic. Both are good, but Toraja is the one that gets the attention.”

The varietals grown here are a mix of old and new. Typica, the original variety brought by the Dutch, is still grown in small quantities, though it is less common than it once was. Linie S-795, an Indian selection of Typica, is more widely planted, as it is more resistant to disease and produces higher yields. Catimor, a hybrid of Caturra and Timor, is grown in the lower elevations, where the climate is warmer and the soil is less fertile. Processing in Sulawesi is a mix of washed and wet-hulled methods. The giling basah, or wet-hulled, method is common, but it is executed with more care than in Sumatra. The beans are pulped and fermented for a shorter time, and the parchment is removed at a higher moisture content, which reduces the risk of mold and off-flavors. Some producers offer fully washed lots for specialty buyers, which are even cleaner and more refined. > “The wet-hulled method is a necessity in Indonesia,” says a processor in Toraja. “The humidity is too high for fully washed processing. But we do it better than in Sumatra. We control the fermentation, we dry the beans more carefully, we sort them more thoroughly. The result is a cleaner cup.”

The producer structure in Sulawesi is less organized than in Ethiopia or Kenya, where cooperatives and washing stations provide a level of quality control and traceability. Here, smallholders sell to local collectors, who sell to exporters, who sell to the world. The chain is long and inefficient, and the quality can vary. But the Toraja people are proud of their coffee, and they take care in its production. > “We are not a cooperative,” says a smallholder in Toraja. “We sell to the collector, and he sells to the exporter. But we know our coffee is good. We take care of it. We sort it, we dry it, we store it. We are proud of what we produce.”

The cup of Sulawesi coffee is a study in subtlety. The body is heavy, coating the palate like a fine chocolate. It is not as wild as Sumatra, but it is still Indonesian, still earthy, still full-bodied. It is a coffee that rewards patience and attention, a coffee that reveals itself slowly over time. > “Sulawesi is a coffee for people who like to think,” says a barista in New York. “It’s not a coffee that shouts. It’s a coffee that whispers. You have to listen to it, you have to taste it slowly, you have to let it unfold. It’s not as exciting as Sumatra, but it’s more satisfying.”

The future of Sulawesi coffee is uncertain. The smallholders are aging, and the younger generation is less interested in coffee. The prices are low, and the margins are thin. The infrastructure is still weak, and the quality control is still inconsistent. But the geography remains, and the soil remains, and the coffee remains. And as long as there are people who appreciate the subtlety and balance of Sulawesi coffee, there will be a market for it. > “The coffee will always be here,” says the historian in Makale. “The mountains will always be here. The soil will always be here. The people will always be here. The coffee may change, the methods may change, the markets may change. But the coffee will always be here.”

And so it is. The coffee grows in the shadows of volcanoes, in the cool highland air, in the fertile volcanic soil. It is processed with care, though not always with consistency. It is sold through a long and inefficient chain, though with pride and attention. It is a coffee that is easier to love, less aggressively earthy, more refined. It is the most balanced arabica coffee in Indonesia, cleaner and less wild than Sumatra but still carrying the earthy, full-bodied character that defines Indonesian coffee. It is Sulawesi coffee, and it is a coffee that deserves to be known.