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Roots of Thai CoffeePart 2 of 4

The Royal Project: A King's Vision for the Mountains

Kafener TeamJanuary 12, 20253 min read
Coffee farm in the Royal Project highlands with mountain backdrop

How King Bhumibol Adulyadej's highland development initiative transformed opium fields into thriving coffee farms, creating a model for sustainable agricultural change.

A Different Kind of War

In 1969, while much of the world focused on the Vietnam War, Thailand's King Bhumibol Adulyadej was fighting a different battle—one against poverty in the remote highlands of his kingdom.

The King had visited the mountain communities and seen the reality firsthand: families trapped in a cycle of opium cultivation, not because they wanted to grow an illegal crop, but because they had no viable alternative.

The Birth of the Royal Project

Rather than criminalizing farmers, the King took a revolutionary approach: give them something better to grow.

The Royal Project Foundation was established with a clear mission:

1. Research alternative crops suited to highland conditions

2. Provide farmers with seeds, training, and technical support

3. Create market access through collection points and processing facilities

4. Build infrastructure—roads, water systems, and electricity

Coffee was identified early as a promising crop. Arabica varieties from Central America and Africa were tested at the Doi Angkhang research station. The results were encouraging: the cool, misty highlands of Northern Thailand provided near-ideal growing conditions.

Coffee research station at Doi Angkhang

The Doi Angkhang research station, where highland-suitable Arabica varieties were first cultivated.

From Research to Reality

The transition wasn't instant. Convincing farmers to switch from a crop they knew (opium) to one they didn't (coffee) required more than good intentions:

Patience — Coffee trees take 3-4 years to produce their first harvest. Farmers needed support during this waiting period. Trust — The Royal Project had to prove it would actually buy the coffee at fair prices. Education — Growing quality coffee requires specific techniques for pruning, harvesting, and processing.

Doi Tung: The Model Village

The Mae Fah Luang Foundation, led by the Princess Mother, created perhaps the most famous success story at Doi Tung. What was once a major opium-producing area became a showcase for sustainable development:

  • Over 2 million trees planted to restore deforested slopes
  • Coffee cultivation integrated with macadamia nuts and other crops
  • Processing facilities built on-site to add value locally
  • A brand (Doi Tung Coffee) that now sells nationwide

The Ripple Effect

The Royal Project's success inspired similar initiatives:

  • Doi Chaang — A village that went from opium to award-winning specialty coffee
  • Doi Saket — Community-owned coffee cooperatives
  • Chiang Rai Highlands — Multiple villages now competing in quality competitions

A Living Legacy

Today, the Royal Project continues its work, though the focus has shifted from crop substitution to quality improvement and market development. The mountains that once produced opium now produce some of Southeast Asia's finest specialty coffee.

When you drink Thai highland coffee, you're tasting the result of a 50-year experiment in compassionate development—proof that given the right support, communities can transform themselves.


In the next article, we'll meet the pioneering farmers and families who took the first steps toward coffee cultivation.

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