Coffee Info

Java Kayumas - Natural Processed Coffee

Ijen Caldera with blue water and lava steam in the carter

THE BEAN AT A GLANCE

  • Origin: Bondowoso Regency, East Java, Indonesia
  • Estate: Sukorejo & Sumberwringin Micro-Lots
  • Altitude: 1,200 - 1,500 Meters Above Sea Level
  • Process: Full Natural (Raised Bed Dried)
  • Farming: Shade-Grown Arabica, Eco-Friendly

TASTING NOTES: A ROLLERCOASTER RIDE OF TASTE 

Strawberry Jam | Concord Grape | Raw Cacao | Cardamom | Honeysuckle

Beyond the Estate: The Smallholder Revolution in Bondowoso

The narrative of Javanese coffee has historically centered on the massive state-run plantations of the Blawan, Jampit, and Kayumas plateaus. While those legacy estates perfected clean, fully-washed coffees, a vibrant new movement has emerged along the higher ridges of the Bondowoso regency.

Known locally as the heart of Republik Kopi, the sub-district of Sumberwringin and adjacent mountain hamlets like Sukorejo and Dawuhan are home to progressive smallholder farmer groups. Rather than surrendering their cherry harvests to commercial industrial mills, these farmers pool small 1-to-2 hectare family plots into precision-focused micro-lots.

Grown under shade trees of lamtoro and native pine at elevations reaching 1,500 meters above sea level, these cherries develop under ideal microclimatic tension. The mountain nights are cold, the volcanic soil is rich in minerals, and the distinct East Javan dry season delivers the exact atmospheric conditions required for ambient natural processing.

The Alchemy of the Ijen Natural Process

Natural processing is rare in Indonesia, where regional rainfall historically necessitated wet-hulling (giling basah) or rapid estate washing. In the high Ijen rain shadow, however, our producers capture a unique atmospheric window to process whole cherries with uncompromising attention to detail:

  1. Selective Hand-Picking: Harvesters select exclusively dense, blood-red cherries with optimal Brix sugar levels.
  2. Double Flotation Sorting: Cherries enter mountain spring water tanks; less dense "floaters" are immediately skimmed away to eliminate astringency.
  3. Slow Sun-Drying on Raised Beds: The intact cherries are spread across elevated mesh and bamboo beds inside ventilated solar drying domes.
  4. Hourly Turning: For 21 to 28 days, the cherries are turned by hand every hour to ensure uniform moisture evaporation, preventing over-fermentation while allowing the sugary mucilage to infuse deep into the seed.

The result is a coffee that preserves the dense body and warm spice native to Javanese heirloom varietals, while unlocking an explosion of vibrant fruit flavors.

Java mountains with a blue sky and clouds

Frequently Asked Questions

What makes Java Natural coffee different from Sumatra coffee?

While both originate in Indonesia, the processing is fundamentally different. Most Sumatran coffees undergo wet-hulling (giling basah), where the parchment is removed while the bean is still soft and wet, resulting in earthy, herbal, and forest-floor notes. Our Java Natural retains the entire cherry fruit skin throughout the drying phase, producing sweet berry clarity, distinct acidity, and a cleaner cup profile.

What varieties are used in this micro-lot?

This lot consists primarily of USDA 762 and S795, alongside modern high-elevation cultivars like Kartika. USDA 762 and S795 are legacy Arabica cultivars selected in the 20th century for their resilience against coffee leaf rust, renowned for producing a signature herbal sweetness and stone-fruit complexity.

Does this coffee have high acidity?

No. While it has more lively fruit acidity than an old-school washed estate Java, it retains a balanced malic and citric acidity (reminiscent of crisp apple and ripe plum) paired with a rich, velvety mouthfeel that appeals to both traditional and modern coffee drinkers.

True specialty coffee is about finding the outliers—the rare producers who take an established growing region and turn conventional wisdom on its head. This Java Natural micro-lot from the peaks of Bondowoso is an extraordinary chapter in modern Indonesian coffee. Experience this limited-release roast and taste the evolution of the Ijen Highlands.



Coffee for people who give a sh*t about coffee.