Editorial illustration🇨🇷Costa Rica
Costa Rica · Central Valley
Costa Rica Volcan Azul SL28 - Cafe Only
Alejo Castro
Onyx Coffee Lab
Volcan Azul
SL28
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Volcan Azul
This is a research profile, not an independently conducted farm visit. Producer and coffee relationships are shown only when the records agree. Check the research sources below for supporting evidence.
TagsVolcan AzulAlejo CastroCosta RicaCaturraCatuaiVilla SarchiEthiopianH3ObatáSL28WashedNaturalAnaerobic
The story
Volcan Azul is a multi-generational family farm with a history of coffee production spanning approximately 200 years. The estate was established by ancestors including Alejo C. Jiménez and Wilhelm Kahle, who began growing coffee to supply the European market. Today, the farm is managed by Alejo Castro Kahle, who continues the family legacy on the slopes of the Poás Volcano.
Challenges
The farm navigates the complexities of modern coffee production, including maintaining sustainability and managing logistics in a changing global market.
Innovations
The farm is recognized for its experimentation with modern fermentation techniques, such as warm anaerobic processing, and the cultivation of diverse, high-quality varietals.
Published coffees linked to this farm
For blends, a farm may be named for one documented component without growing the entire coffee. These catalog relationships do not independently verify every lot, harvest or producer. See individual coffee profiles for traceability evidence.
Editorial illustration
Editorial illustration🇨🇷Costa Rica
Costa Rica
Volcan Azul - Costa Rica - Washed SL28
Alejo Castro
April Coffee Roasters
Volcan Azul
SL28· Washed
Explore the profile →Research sources & verification
These source links were recorded for this farm profile. They document its research trail; a linked source is not, by itself, confirmation of every farm, producer, coffee lot or photo identity.
Research last reviewed: 2026-10-09