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Uganda | Sipi Falls | SL14/SL28 Anaerobic Natural (Organic)

Uganda | Sipi Falls | SL14/SL28 Anaerobic Natural (Organic)

Regular price $69.00 AUD
Regular price Sale price $69.00 AUD
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31 in stock

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This coffee’s roasted in our espresso style — but that doesn’t mean you need to brew it as espresso. You can make it however you like — espresso, filter, moka pot, AeroPress or whatever you enjoy. We roast it a touch darker than we would a filter roast to caramelise the sugars and bring out smooth chocolatey and nutty flavours that cut beautifully through milk.

When you add milk the natural sweetness, fat and proteins tend to soften acidity and highlight caramelised flavours. That’s why lighter filter roasts can sometimes taste a bit sharp or sour with milk — they’re simply not built for it. Espresso roasts being more developed balance this out. The deeper caramelisation creates toffee and cocoa notes that blend harmoniously with milk’s creaminess while a hint of gentle bitterness adds that satisfying ‘coffee punch’ in your flat white or cappuccino.

If you prefer your coffee black this roast will still give you a full-bodied rich cup with plenty of depth and sweetness. For a lighter fruitier experience you might enjoy exploring our filter range instead.

Origin and Sourcing

Varietal: SL28, SL14, Typica
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Developed by Scott Agricultural Laboratories in Kenya, SL28 is known for its excellent drought resistance and stunning cup quality. It exhibits bright, winey acidity with notes of blackcurrant and citrus. SL28 is one of the reasons Kenyan coffees are so revered. However, it’s highly susceptible to leaf rust and pests.
SL14 is a classic East African variety developed by Scott Agricultural Laboratories in Kenya during the 1930s and now widely grown across Uganda’s highlands. Selected from a drought-resistant Typica lineage, it’s known for its resilience in variable climates and its ability to thrive in rich volcanic soils at medium to high altitudes. Though tall in stature and requiring careful pruning, SL14 rewards attentive growers with consistently high-quality cherries that form the backbone of many of Uganda’s finest specialty coffees. In the cup, SL14 delivers a beautifully balanced profile—bright yet smooth—with notes that often lean toward chocolate, red berries, and stone fruit, depending on the region and processing method. Whether washed or naturally processed, it’s admired for its clarity and sweetness, often paired with its sibling SL28 to add depth and structure. When grown in regions like Mount Elgon or the Rwenzoris, SL14 showcases the best of Ugandan terroir: vibrant fruit, gentle acidity, and a lingering cocoa finish that makes it a standout in both espresso and filter roasts.
Typica is one of the oldest and most genetically pure Arabica varietals, originating in Ethiopia and spreading globally via Yemen. It forms the genetic backbone of many modern varieties. Known for its balanced cup, it offers a clean sweetness, medium body, and mild acidity. However, it’s highly susceptible to disease and has low yield, which limits its commercial viability in large-scale farming.
Processing Method: Natural Anaerobic
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The Natural Anaerobic process combines traditional natural drying with controlled, oxygen-free fermentation to create a bold and complex cup. Ripe coffee cherries are first sealed in airtight tanks or barrels, where they ferment without oxygen (anaerobically) for a set period—often several days. This environment encourages specific microbial activity, leading to the development of unique flavour compounds. After fermentation, the cherries are dried whole on raised beds or patios, allowing sugars and flavours to concentrate as the fruit dries around the seed. The result is a coffee with intense fruitiness, jammy sweetness, and rich body—often featuring tropical, boozy, or fermented notes with a distinct depth and complexity not found in traditional naturals.
Producer: Sipi Falls Coffee Project
Farm: Sipi Falls Coffee Project
Region / Area: Eastern MBale District
Altitude: 1300–1900 MASL
Harvest Period: May – July 2025
Sourcing Partner: Bennetts
Coffee Storage Climate Controlled
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This green coffee is stored at 23°C in a climate-controlled room, which is a step up from standard warehouse storage, as the ambient temperature does not fluctuate as much

Roast Details

Roast Style Espresso
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Filter roasts are lighter with a shorter development time, designed to highlight clarity, acidity, and fruit-driven complexity — perfect for black coffee and filter methods. These roasts can also be used for espresso, especially if you enjoy brighter, more vibrant shots. Try longer brew ratios or turbo shots to tame acidity and bring out sweetness. Espresso roasts, on the other hand, are developed further to encourage deeper caramelization and Maillard reactions, producing richer, chocolatey, and nutty flavours that shine in milk and offer a fuller-bodied espresso. We don't usually roast omni (one roast for all brew methods) — in our experience, it tends to be a compromise that's average at both. But occasionally, for larger lots or versatile blends, we may do an omni roast to suit both black and milk drinkers.
Roast Level Medium
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This is a more accurate reflection of the actual roast level rather than internal & external colour readings and is based off roasting weight loss %. <11% is Nordic ultra-light; 11-13% is Light with balanced acidity and sweetness; 14-16% is Medium for rounded body and caramel; 16-20% is Dark for rich, chocolatey and intensity; 20%+ is Starbucks/Italian for bold, smoky depth. Some would say the higher the %, the 'stronger' the coffee.
Roasting Weight Loss 14.0%
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Coffee roasting weight loss refers to the significant reduction in the mass of green coffee beans during the roasting process, typically ranging from 9% to 25% depending on the roast level. This phenomenon primarily occurs due to the evaporation of moisture, which constitutes about 9-13% of the bean's initial weight
Roasted On: Roest P3000
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The ROEST P3000 is a compact powerhouse that redefines what’s possible in small-batch production roasting. With the ability to roast 1–3 kg batches in under 7 minutes and crank out over 25 kg per hour, it delivers serious output without demanding a full-time operator. Automation handles everything from preheating to cooldown, with between-batch protocols ensuring consistent conditions roast after roast. Its slim footprint and lightweight build make it perfect for roasteries where space is tight but precision and efficiency are non-negotiable. What truly sets the P3000 apart is its unmatched control and data richness. It features more than 18 sensors—bean, exhaust, drum, humidity, pressure, and even a first-crack microphone—paired with PID-controlled airflow, drum speed, and temperature. A built-in bean camera offers live visual feedback, eliminating the need for a trier and paving the way for future AI enhancements. Whether you’re dialing in new coffees or replicating profiles at scale, the P3000 brings the lab-level accuracy of the ROEST sample roaster into full production—effortlessly and repeatably.

Taste Profile

Tasting Notes: Raspberry, blackcurrant, red apple and plum throughout. A juicy body and berry acidity with a long black tea and cinnamon finish
Cupping Score: 87.0
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Our coffees are scored using the Specialty Coffee Association (SCA) protocol by Q Grader–certified cuppers. A score of 80+ qualifies as specialty grade — clean, well-processed, and high quality. 80–84 coffees are more common and often used in blends. 85–87 are brighter, more complex, and better suited for high-quality filter brews. 88–90 are exceptional, and 90+ coffees are ultra-rare, often Cup of Excellence (COE) winners — the best in the world.
Suitable To Go With Milk?: Yes
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Some of our light roasted filter coffees are bursting with bright, fruity acidity—think citrus, berries, or tropical notes. While these flavours shine on their own, they don't always play well with milk. The acidity can clash with milk's natural sweetness and creaminess, sometimes creating sour or chalky flavours.
Decaffeinated? No
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Uganda | Sipi Falls | SL14/SL28 Anaerobic Natural (Organic) - When is peak freshness?

Medium Roast - Roasted on Roest P3000

Uganda | Sipi Falls | Anaerobic Natural is a specialty coffee offering that originates from the Sipi Falls region, located on the slopes of Mount Elgon in eastern Uganda. This area is renowned for its breathtaking landscapes, fertile volcanic soils, and ideal climate for cultivating high-quality Arabica coffee. The cool temperatures and abundant rainfall, combined with elevations ranging from 1,600 to 1,900 meters above sea level, create perfect growing conditions for specialty coffee with unique flavor profiles.

Organically certified, this coffee has been grown and harvested as part of the Sipi Falls Coffee Project. The project was first initiated in 1999 and has grown to incorporate more than 5,000 smallholder producers who tend an area over 2000 hectares in size. Approximately 3.5 million families are linked both directly and indirectly to coffee through the Sipi Falls Project. Through training and extension services offered through the project, producers are encouraged to improve agronomic practices in order to increase yield and improve quality. Producers practice intercropping with food crops and shade trees to improve coffee quality and foster income diversification. Field officers mentor members on the effects of climate change, good agri practices, internal control systems, water recycling, community education and organic standards.


The coffee is grown on the slopes of Elgon mountain range in three distinct areas, namely the Mbale, Sironko, and Kapchorwa Districts, and is thus found at varying altitudes, ranging from 1300 metres in the South, climbing up to 1900 metres in the Central and Northern Districts. For this nation of farmers the cultivation of coffee has always been a major preoccupation and one of the few sources of commercial income available to rural families. Coffee growing has always remained the exclusive preserve of the smallholder, and the leading sector of the Uganda economy.

The Anaerobic Natural process used for this coffee involves a controlled fermentation stage where the coffee cherries are fermented in oxygen-deprived environments before being dried in their fruit. This innovative method enhances the coffee's complexity, producing vibrant flavors and distinctive characteristics. Coffee processed in this way often features pronounced fruity notes, with a rich sweetness and unique undertones, such as tropical fruits, wine-like acidity, and a creamy body. The natural sweetness from the fruit further enriches the cup, making it a favorite among specialty coffee enthusiasts.

The Sipi Falls region also holds cultural and economic importance for the local communities. Many smallholder farmers in the area rely on coffee as a primary source of income, and projects aimed at promoting anaerobic processing have empowered these farmers to access premium markets. Sustainable practices, community-based initiatives, and a focus on quality have not only elevated the reputation of Sipi Falls coffee but also supported the livelihoods of local producers. This coffee represents a harmonious blend of exceptional flavor, innovative processing, and community impact.

Coffee in Uganda

Uganda is a prominent player in the global coffee industry, recognized as one of the leading coffee producers in Africa. The country’s unique geographical and climatic conditions make it ideal for cultivating both Arabica and Robusta coffee. Arabica is typically grown in the high-altitude regions, such as Mount Elgon in the east and the Rwenzori Mountains in the west, while Robusta thrives in the warmer, lower-altitude areas around Lake Victoria. Coffee cultivation in Uganda is deeply ingrained in the culture, providing livelihoods to millions of smallholder farmers who rely on this crop as their primary source of income.

The quality of Ugandan coffee has gained international recognition, with distinct flavors reflecting the diverse growing regions. Arabica coffee from Uganda often exhibits fruity and floral notes, with a crisp acidity that appeals to specialty coffee enthusiasts. Robusta, on the other hand, is known for its strong, full-bodied profile and is a staple in many espresso blends worldwide. Efforts to improve post-harvest processing techniques, such as better fermentation and drying practices, have further enhanced the reputation of Ugandan coffee on the global market.

In addition to its economic significance, coffee plays a central role in Uganda’s social and cultural fabric. Traditional coffee ceremonies are an important part of community gatherings, symbolizing hospitality and unity. However, the industry faces challenges, including climate change, fluctuating global prices, and a need for better infrastructure. Despite these hurdles, initiatives led by the government and non-governmental organizations aim to equip farmers with training and resources to improve yield and quality. These efforts ensure that Ugandan coffee continues to thrive, bringing prosperity to local communities and delighting coffee lovers worldwide.


SKU: sipifalls_1000g
Package Weight: 1100g

How does my coffee come packaged?

Despite some of our product images looking very fancy our coffee is packaged into a plain brown paper foiled lined bag with a Swiss WIPF degassing valve. This offers superior oxygen and moisture protection. We recommend once you crack the seal you store your coffee in AirScape containers or Weber Workshop Bean Cellars for a single dosing option.
You can also freeze/vacuum seal in small lots, then use straight away once removed from freezer.

We don't have fancy printed bags with ziplocks (more plastic), we save that cost and buy better quality green beans so you can focus on your cup quality instead of fancy marketing and artwork.