NYAMACHE

Nyamache is a tea estate located in the Kisii region of Kenya, operating at an elevation of 1,684 metres above sea level. The estate is managed by the Kenya Tea Development Agency, a key player in Kenya's smallholder tea sector. The estate produces black tea, the dominant category in Kenyan commercial production.

Terroir & Climate

At 1,684 metres, Nyamache sits within the mid-altitude band typical of many Kenyan tea-growing districts. Estates at this elevation in equatorial East Africa generally experience moderate temperatures and relatively consistent rainfall patterns across much of the year, conditions that tend to support steady vegetative growth. The Kisii region lies in the western highlands of Kenya, where cloud cover and humidity levels are often higher than in the more arid lowlands, factors that typically influence flush frequency and leaf tenderness.

Tea grown at this altitude in Kenya tends to develop a balance between briskness and body, as the cooler nights can slow metabolic processes in the leaf while warm days maintain photosynthetic activity. Soils in the western highlands are often volcanic in origin, which generally provides good drainage and a mineral profile conducive to tea cultivation, though specific soil composition at Nyamache has not been independently verified.

Tea Produced

Nyamache produces black tea, the near-universal output of Kenyan estates destined for auction and blending. Kenyan black teas from mid-altitude estates in the western regions typically yield a bright, coppery liquor with characteristic briskness and a clean, malty body. Teas from Kisii are often noted for their balance and versatility in blending, though the specific cup profile of Nyamache leaf will vary with plucking standard, processing protocols, and seasonal conditions. Such teas are generally well suited to breakfast blends and other applications requiring strength and colour.

Operator

The Kenya Tea Development Agency manages smallholder tea production across multiple regions of the country, coordinating leaf collection, processing, and marketing on behalf of small-scale growers. KTDA operates six other estates recorded in this directory, reflecting its extensive footprint in Kenya's tea sector. The agency's model centres on factory ownership by farmer groups, with centralised management and auction sales through the Mombasa platform.

Location & Neighbouring Estates

NYAMACHE lies at -0.6773, 34.7796 in Kisii, Kenya. Its 1684 m elevation is the joint 5th highest of 7 estates we map in Kisii. The nearest estates in the TeaTrade directory, measured point-to-point from these coordinates, are:

• Kenya Tea Development Agency, Sombogo — under 1 km away
• Kenya Tea Development Agency, Nyansiongo — under 1 km away
• OGEMBO (EBEREGE) — 1.3 km away
• Kenya Tea Development Agency, Rianyamwamu — 5.8 km away
• Tombe Tea Factory — 11 km away · Nairobi

Estates at a Similar Altitude to NYAMACHE

Elevation shapes how slowly leaf matures, so we match NYAMACHE (1,684 m) with estates within 150 m of its height that are not its neighbours. Each is shown with its own 2025 climate. NYAMACHE recorded 1,586 mm in 2025, 17% less than the 1,907 mm average across these estates: at the same height, local weather and exposure matter as much as elevation.

Estate	Where	Elevation	Rain 2025	Mean high
Rancabali Tea Estate	Bandung Regency, Indonesia	1,686 m	2,986 mm	21.5 °C
Chokanad I	Kerala, India	1,691 m	2,773 mm	21.1 °C
Theta Ndarugu Tea Co Ltd.	Kenya, Kenya	1,670 m	769 mm	25.5 °C
GIANCHORE	Moi Avenue, Kenya	1,670 m	769 mm	25.5 °C
Himalayan Shangri-La	Mechi Hwy, Nepal	1,661 m	2,238 mm	18.2 °C

NYAMACHE Compared with Kisii

In Kisii, NYAMACHE is wetter than 67% of the others by 2025 rainfall; lower than 83% of the others by elevation; warmer than 67% of the others by daytime temperature. The table sets NYAMACHE against the 6 other estates we map in Kisii, so you can see whether it is typical for its region or an outlier.

Measure	NYAMACHE	Region median	Region range
Elevation	1,684 m	1,752 m	1,652 to 1,890 m
Annual rainfall (2025)	1,586 mm	1,510 mm	1,370 to 1,586 mm
Mean daily high	24.8 °C	24.2 °C	23.8 to 25.1 °C
Mean overnight low	14.9 °C	14.0 °C	13.2 to 15.0 °C

Observed Climate at NYAMACHE (2025)

ERA5 reanalysis data modelled for NYAMACHE’s coordinates recorded 1,586 mm of precipitation across calendar year 2025. The wettest month was April (275 mm) and the driest was February (22 mm). Daytime highs averaged 24.8 °C and overnight lows 14.9 °C over the year; February was the warmest month and July the coolest.

Metric	2025 value
Annual precipitation	1,586 mm
Wettest month	April (275 mm)
Driest month	February (22 mm)
Mean daily high	24.8 °C
Mean overnight low	14.9 °C

Frequently Asked Questions

Where is NYAMACHE located?

NYAMACHE is in Kisii, Kenya, at coordinates -0.6773, 34.7796, at an elevation of about 1684 metres.

Who operates NYAMACHE?

NYAMACHE is operated by Kenya Tea Development Agency, according to public supply-chain records.

What type of tea does NYAMACHE produce?

NYAMACHE is recorded as producing black tea.

How much rain does NYAMACHE receive?

ERA5 reanalysis data for the estate's coordinates recorded 1,586 mm of precipitation in 2025, peaking in April (275 mm).

How does NYAMACHE compare with estates at a similar elevation?

NYAMACHE recorded 1,586 mm in 2025, 17% less rain than the 1,907 mm average of estates at a similar elevation.

Data sources: public supply-chain disclosures (Ethical Tea Partnership member lists, Rainforest Alliance certificate holders and retailer supplier disclosures); climate figures are ERA5 reanalysis modelled for the estate’s coordinates via Open-Meteo (calendar year 2025); coordinates and elevations from geocoded records. Spotted an error? Email [email protected].