Sinumbra Tea Estate

Sinumbra Tea Estate is a producing plantation in West Java, Indonesia, located at 1,431 metres above sea level. The estate is operated by PT Perkebunan Nusantara VIII, one of Indonesia's state-owned plantation companies. Sinumbra produces both black and green teas, though no buyers are currently recorded in trade directories.

Terroir & Climate

At 1,431 metres, Sinumbra occupies a mid-to-high elevation zone in West Java's volcanic uplands. Estates at this altitude in the region typically experience cooler temperatures and more pronounced diurnal variation than lowland gardens, factors that tend to slow leaf growth and can encourage the development of more complex biochemical profiles in the fresh leaf. The latitude of approximately 7° South places the estate in the tropics, where daylight hours remain relatively consistent year-round and rainfall patterns are generally influenced by monsoon cycles.

West Java's tea-growing districts are characterised by volcanic soils, which often provide good drainage and mineral availability. Plantations at this elevation in Indonesia generally contend with high humidity and cloud cover during wet months, conditions that can favour certain fungal pressures but also maintain steady soil moisture. The interplay of altitude, latitude, and Indonesia's equatorial climate typically supports year-round cropping, though flush quality and character often vary with seasonal rainfall intensity.

Tea Produced

Sinumbra produces both black and green teas. Black teas from mid-elevation West Java estates often exhibit a medium body with malty or subtly earthy notes, sometimes accompanied by a slight sweetness; the character tends to be less astringent than higher-grown material from northern regions. Green teas from this altitude in Indonesia can display a vegetal freshness with gentle grassy or herbaceous tones, though processing style varies widely among estates. The consistent warmth and humidity typical of the region generally support leaf that is full-bodied rather than delicate, and the volcanic terroir may contribute a mineral undertone in the cup.

Operator

PT Perkebunan Nusantara VIII is a state-owned enterprise responsible for a portfolio of plantation properties in West Java, including rubber, palm oil, and tea estates. The company operates at least two other tea estates recorded in industry directories, indicating a significant regional footprint in the Indonesian tea sector. As a government-linked entity, PTPN VIII plays a role in domestic supply chains and employment, though detailed trade data on individual estate output is not widely published.

Location & Neighbouring Estates

Sinumbra Tea Estate lies at -7.1480, 107.3348 in West Java, Indonesia. Its 1431 m elevation is the 4th highest of 5 estates we map in West Java. The nearest estates in the TeaTrade directory, measured point-to-point from these coordinates, are:

• Negara KanaanTea Estate — 1.3 km away · Kab. Bandung
• Rancabali Tea Estate — 4.3 km away · Bandung Regency
• Pt Perkebunan Nusantara Viii, Sperata — 4.3 km away
• Dewata Tea Estate — 16 km away · Kab. Bandung
• Malabar Tea Estate — 24 km away

Estates at a Similar Altitude to Sinumbra Tea Estate

Elevation shapes how slowly leaf matures, so we match Sinumbra Tea Estate (1,431 m) with estates within 150 m of its height that are not its neighbours. Each is shown with its own 2025 climate. Sinumbra Tea Estate recorded 2,986 mm in 2025, 23% more than the 2,419 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
Selimbong Tea Estate	Soolbongs Tea Garden, India	1,432 m	2,552 mm	20.6 °C
Kelanivalley Plantations, Robgill Group	Central Province, Sri Lanka	1,434 m	2,792 mm	21.9 °C
GREENFIELD BIO PLANTATIONS PVT LTD	HAPUTALE, Sri Lanka	1,428 m	2,188 mm	23.0 °C
Kenya Tea Development Agency, Michimikuru	Meru, Kenya	1,443 m	770 mm	24.6 °C
Letchmi Super Tea Estate	Kannan Devan Hills, India	1,418 m	3,791 mm	22.3 °C

Sinumbra Tea Estate Compared with West Java

In West Java, Sinumbra Tea Estate is drier than 75% of the others by 2025 rainfall; lower than 75% of the others by elevation; warmer than 75% of the others by daytime temperature. The table sets Sinumbra Tea Estate against the 4 other estates we map in West Java, so you can see whether it is typical for its region or an outlier.

Measure	Sinumbra Tea Estate	Region median	Region range
Elevation	1,431 m	1,772 m	1,430 to 1,859 m
Annual rainfall (2025)	2,986 mm	3,148 mm	2,799 to 3,309 mm
Mean daily high	22.7 °C	20.8 °C	20.0 to 23.0 °C
Mean overnight low	15.9 °C	14.1 °C	13.3 to 15.5 °C

Observed Climate at Sinumbra Tea Estate (2025)

ERA5 reanalysis data modelled for Sinumbra Tea Estate’s coordinates recorded 2,986 mm of precipitation across calendar year 2025. The wettest month was November (390 mm) and the driest was July (101 mm). Daytime highs averaged 22.7 °C and overnight lows 15.9 °C over the year; May was the warmest month and July the coolest.

Metric	2025 value
Annual precipitation	2,986 mm
Wettest month	November (390 mm)
Driest month	July (101 mm)
Mean daily high	22.7 °C
Mean overnight low	15.9 °C

Frequently Asked Questions

Where is Sinumbra Tea Estate located?

Sinumbra Tea Estate is in West Java, Indonesia, at coordinates -7.1480, 107.3348, at an elevation of about 1431 metres.

Who operates Sinumbra Tea Estate?

Sinumbra Tea Estate is operated by PT Perkebunan Nusantara VIII, according to public supply-chain records.

What type of tea does Sinumbra Tea Estate produce?

Sinumbra Tea Estate is recorded as producing black and green tea.

How much rain does Sinumbra Tea Estate receive?

ERA5 reanalysis data for the estate's coordinates recorded 2,986 mm of precipitation in 2025, peaking in November (390 mm).

How does Sinumbra Tea Estate compare with estates at a similar elevation?

Sinumbra Tea Estate recorded 2,986 mm in 2025, 23% more rain than the 2,419 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].