Glenworth Tea Estate

Glenworth Tea Estate is a black tea producer located in The Nilgiris, a district in the southern Indian state of Tamil Nadu. Situated at 1,536 metres above sea level, the estate is operated by Glendale and maintains a workforce of 946. The estate is positioned within one of India's principal high-elevation tea-growing regions, which lies at a lower latitude than the better-known estates of Darjeeling and Assam.

Terroir & Climate

At 1,536 metres elevation and positioned at approximately 11.3° north, Glenworth occupies a mid- to high-altitude zone within The Nilgiris. Estates at this elevation in southern India typically experience a moderated tropical climate, with cooler temperatures than the plains below and exposure to both the southwest and northeast monsoons. The Nilgiris district generally receives substantial rainfall spread across much of the year, and the altitude tends to bring mist and cloud cover that slow leaf growth and can contribute to the development of nuanced flavour compounds.

The elevation and latitude together typically result in a growing environment distinct from the Himalayan estates to the north. The warmth of the southern latitude generally supports year-round growth, though estates in this range often see variation in flush character depending on seasonal rainfall and temperature shifts. Soils in The Nilgiris are generally well-drained and acidic, characteristics common to many high-altitude tea-growing regions, and the diurnal temperature variation at this elevation can influence the biochemical composition of the leaf.

Tea Produced

Glenworth produces black tea. Nilgiri teas from estates at this elevation typically yield a cup that is brisk and fragrant, often with a smooth, rounded body and less astringency than teas from some northern Indian regions. The character tends toward bright, clean flavours with floral or fruity notes, and many Nilgiri blacks are known for their versatility in blending. The altitude and climate of this zone generally support a leaf that produces a medium-bodied infusion with good colour, though specific cup profiles will vary by season, processing method, and the particular cultivars under cultivation.

Operator

Glenworth is operated by Glendale. No other estates operated by this company are currently recorded in this directory.

Location & Neighbouring Estates

Glenworth Tea Estate lies at 11.3311, 76.7870 in The Nilgiris, India. Its 1536 m elevation is the 43rd highest of 250 estates we map in India. The nearest estates in the TeaTrade directory, measured point-to-point from these coordinates, are:

• Parkside Tea Estate — 2.4 km away · Coonoor
• Coonoor Tea Estate — 6.1 km away · Yedapalli
• Tea Studio — 9.4 km away · Kattabettu
• Chamraj Tea Estate — 12 km away · Tamil Nadu
• Welbeck Tea Estate — 12 km away · Tamil Nadu

Estates at a Similar Altitude to Glenworth Tea Estate

Elevation shapes how slowly leaf matures, so we match Glenworth Tea Estate (1,536 m) with estates within 150 m of its height that are not its neighbours. Each is shown with its own 2025 climate. Glenworth Tea Estate recorded 1,467 mm in 2025, 27% less than the 2,001 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
Agarapatana Plantations, Dambatenne	Uva Province, Sri Lanka	1,535 m	2,188 mm	22.4 °C
Mcleod Russel Uganda Limited, Kiko Factory, Kibale Garden	Fort Portal, Uganda	1,533 m	1,309 mm	25.4 °C
Agalawatte Plantations, Labookellie	Central Province, Sri Lanka	1,541 m	3,080 mm	21.3 °C
Tingamira Tea Estate	194 Mutare Road, Zimbabwe	1,529 m	876 mm	24.2 °C
Singell Tea Estate	Kurseong, India	1,545 m	2,552 mm	19.8 °C

Glenworth Tea Estate Compared with India

In India, Glenworth Tea Estate is drier than 95% of the others by 2025 rainfall; higher than 83% of the others by elevation; cooler than 78% of the others by daytime temperature. The table sets Glenworth Tea Estate against the 249 other estates we map in India, so you can see whether it is typical for its country or an outlier.

Measure	Glenworth Tea Estate	Country median	Country range
Elevation	1,536 m	126 m	6 to 2,299 m
Annual rainfall (2025)	1,467 mm	2,778 mm	745 to 4,774 mm
Mean daily high	21.8 °C	28.3 °C	16.9 to 34.5 °C
Mean overnight low	15.2 °C	19.3 °C	9.3 to 24.2 °C

Observed Climate at Glenworth Tea Estate (2025)

ERA5 reanalysis data modelled for Glenworth Tea Estate’s coordinates recorded 1,467 mm of precipitation across calendar year 2025. The wettest month was May (290 mm) and the driest was February (4 mm). Daytime highs averaged 21.8 °C and overnight lows 15.2 °C over the year; May was the warmest month and December the coolest.

Metric	2025 value
Annual precipitation	1,467 mm
Wettest month	May (290 mm)
Driest month	February (4 mm)
Mean daily high	21.8 °C
Mean overnight low	15.2 °C

Frequently Asked Questions

Where is Glenworth Tea Estate located?

Glenworth Tea Estate is in The Nilgiris, India, at coordinates 11.3311, 76.7870, at an elevation of about 1536 metres.

Who operates Glenworth Tea Estate?

Glenworth Tea Estate is operated by Glendale, according to public supply-chain records.

What type of tea does Glenworth Tea Estate produce?

Glenworth Tea Estate is recorded as producing black tea.

How much rain does Glenworth Tea Estate receive?

ERA5 reanalysis data for the estate's coordinates recorded 1,467 mm of precipitation in 2025, peaking in May (290 mm).

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

Glenworth Tea Estate recorded 1,467 mm in 2025, 27% less rain than the 2,001 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].