tags: [] - coffee/geography - coffee/geography/south-america - coffee/geography/peru aliases: - San Martín coffee - Moyobamba coffee - Lamas coffee Peru - San Martin Peru coffee created: 2026-05-14 updated: 2026-05-14

San Martín Coffee Region¶

Tags: #coffee/geography #coffee/geography/south-america #coffee/geography/peru Aliases: San Martín coffee, Moyobamba coffee, Lamas coffee Peru, San Martin Peru coffee Related: Peru MOC | Peru | Cajamarca Coffee Region | Junín Coffee Region | Washed Process Status: ✅ Complete

Overview¶

San Martín is Peru's largest coffee-producing region by volume, located in the north-central selva alta at altitudes of 900–1,500 metres. The department's accessible terrain and established transport links to Lima via the Fernando Belaúnde Terry Highway have made it the backbone of Peru's commercial organic and fair-trade export trade. The cup profile is reliably clean, sweet, and balanced — accessible rather than intensely expressive — which suits its role as the foundation of Peru's high-volume certified export identity. San Martín is the source of the largest share of Peru's certified organic export tonnage.

Geography and Terrain¶

San Martín department occupies the upper Huallaga River valley and surrounding eastern Andean foothills in north-central Peru. Coffee cultivation is concentrated around Moyobamba (Peru's oldest city, founded 1540), Rioja, Lamas, and the Alto Huallaga sub-region. The terrain is rolling foothills and lower Andean slopes between 900 and 1,500 metres — lower than Cajamarca or Amazonas — producing a gentler growing environment with less altitude-driven flavour concentration.

The soils are Ultisols and Entisols in the humid sub-tropical climate typical of the upper Amazon basin. Annual rainfall is moderate to high, and cloud cover is less persistent than in the higher cloud forest zones of Cajamarca.

Farming Systems¶

San Martín has the most developed farming infrastructure of Peru's coffee regions, supported by the Fernando Belaúnde Terry Highway which connects the department to Lima and coast-based export ports. Smallholder farms of one to three hectares are the dominant unit. The cooperative sector is very active; the department hosts some of Peru's largest organic certification networks. APROECO, Oro Verde, and numerous smaller cooperatives manage collective processing, certification, and export logistics.

The department was also affected by coca cultivation pressures during the Shining Path era; alternative development programmes funded by USAID and international agencies promoted coffee as a licit crop alternative, contributing to the rapid expansion of certified production in the 1990s and 2000s.

Processing¶

Washed processing is universal at commercial and cooperative scale. The more accessible terrain and better road network allows cherry transport to centralised wet mills within the critical window after harvest. Cooperative beneficios operate controlled fermentation and raised-bed or patio drying programmes.

Varieties¶

Catimor is now the dominant variety in much of San Martín following the 2012–2013 Roya epidemic replanting. At San Martín's lower altitudes (900–1,200 m), Catimor's inferior cup characteristics are more pronounced than in the high-altitude zones of Cajamarca, contributing to commercial rather than specialty quality grades. Typica, Bourbon, and Caturra persist in older plantings and in higher-altitude sub-zones of the department where quality expression is more competitive.

Cup Profile¶

San Martín washed commercial (900–1,200 m): milk chocolate, caramel, mild stone fruit, brown sugar; low to medium acidity; medium body; clean and sweet. A reliable, accessible profile with low defect rates that suits organic and fair-trade blending for the European market. Higher-altitude San Martín lots (1,200–1,500 m) show more defined peach and stone fruit character with slightly better acidity structure. SCA 80–84 for commercial organic lots; 82–86 for higher-altitude specialty-oriented production.

Key Facts¶

North-central Peru; Huallaga Valley; 900–1,500 m altitude
Peru's largest coffee-producing region by volume
Fernando Belaúnde Terry Highway: key infrastructure for transport and export
Major sub-zones: Moyobamba, Rioja, Lamas, Alto Huallaga
Dominant variety: Catimor (post-Roya replanting); Typica and Bourbon in older areas
Profile: chocolate, caramel, sweet; accessible commercial profile; certified organic dominant
USAID alternative development programmes contributed to cooperative expansion in 1990s–2000s

References¶

This article is part of All-About-Coffee.com - The comprehensive coffee knowledgebase.