Sumatra Mandheling is a coffee unlike any other — deep, earthy, and shaped by one of the most unique processing methods in the world.

Grown on the Indonesian island of Sumatra, this coffee comes from smallholder farmers working in rich volcanic soils beneath dense rainforest canopy. The climate here is humid and unpredictable, and over time, producers developed a method to adapt — known as wet hulling, or Giling Basah.

Unlike traditional washed coffees, where beans are fully dried before milling, wet hulling removes the parchment layer while the beans are still soft and moisture-rich. This gives Sumatra Mandheling its distinctive appearance — slightly irregular, deep green beans — and more importantly, its unmistakable cup profile.

The result is a coffee with a heavy body, low acidity, and a richness that feels almost savoury. Expect notes of dark chocolate, cedar, spice, and earthy depth, with a smooth, lingering finish that sets it apart from brighter, fruit-forward coffees.

This is a coffee that doesn’t try to be delicate — it leans into boldness, texture, and intensity. It’s the kind of cup that holds its own in espresso, pairs beautifully with milk, and offers something completely different for those used to lighter profiles.

At Acorns Coffee, Sumatra Mandheling is one of our most distinctive coffees — a true outlier in the range. It’s perfect for those who enjoy full-bodied, low-acidity coffees with depth and character, and for anyone looking to explore a completely different side of speciality coffee.