In short: Thiashola Tea Estate is a high-elevation black tea producer in Tamil Nadu, India, operated by Thiashola Plantations Pvt. Ltd. and certified by the Ethical Tea Partnership.
Thiashola Tea Estate is a black tea producer located in Tamil Nadu, India, at an elevation of 1,941 metres. The estate is operated by Thiashola Plantations Pvt. Ltd. and holds certification from the Ethical Tea Partnership.
Terroir & Climate
At 1,941 metres above sea level, Thiashola occupies a high-elevation position within Tamil Nadu's tea-growing topography. Estates at this altitude typically experience cooler temperatures and greater diurnal variation than those closer to sea level, conditions that tend to slow leaf maturation and may contribute to a denser accumulation of flavour compounds. The latitude of approximately 11° north places the estate in a tropical climate zone, where the interplay of monsoon rains and altitude generally shapes both the growing cycle and the character of the harvested leaf.
High-altitude sites in this region often benefit from well-distributed rainfall and mist cover, factors that can influence both yield patterns and the biochemical profile of the tea. The cooler nights and intense sunlight characteristic of such elevations are widely understood to favour the development of aromatic complexity, though specific outcomes depend on a range of agronomic and processing variables unique to each estate.
Tea Produced
Thiashola produces black tea. Estates at comparable elevations in Tamil Nadu typically yield teas with a bright, brisk cup character and a balanced astringency. High-grown black teas from this region are often noted for their clarity and a certain vivacity in the liquor, qualities that can be attractive to blenders and single-origin buyers alike. The specific flavour profile of any given lot will, of course, reflect both seasonal conditions and the estate's manufacturing protocols.
Operator
The estate is managed by Thiashola Plantations Pvt. Ltd. No other estates operated by this company are currently recorded in the directory.
Certifications & Ethics
Thiashola holds certification from the Ethical Tea Partnership, an independent membership organisation that works to improve working conditions and environmental practices across tea supply chains. For buyers, Ethical Tea Partnership certification signals that the estate has undergone assessments against labour and environmental standards; for workers, it reflects a framework intended to promote fair treatment, safety, and continuous improvement in workplace conditions.
Location & Neighbouring Estates
Thiashola Tea Estate lies at 11.2281, 76.6153 in Tamil Nadu, India. Its 1941 m elevation is the 5th highest of 11 estates we map in Tamil Nadu. The nearest estates in the TeaTrade directory, measured point-to-point from these coordinates, are:
- KORAKUNDAH TEA ESTATE FACTORY — 3.9 km away
- Chamraj Tea Estate — 11 km away
- Welbeck Tea Estate — 18 km away
- Parkside Tea Estate — 21 km away · Coonoor
- Glenworth Tea Estate — 22 km away · The Nilgiris
Estates at a Similar Altitude to Thiashola Tea Estate
Elevation shapes how slowly leaf matures, so we match Thiashola Tea Estate (1,941 m) with estates within 150 m of its height that are not its neighbours. Each is shown with its own 2025 climate. Thiashola Tea Estate recorded 2,112 mm in 2025, 34% more than the 1,578 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 |
|---|---|---|---|---|
| Greenfields Tea Factory | Bomet, Kenya | 1,944 m | 921 mm | 24.0 °C |
| Litein Chelal Tea Company Ltd. | C23, Kenya | 1,937 m | 1,208 mm | 24.5 °C |
| Orange Valley Tea Estate | Darjeeling, India | 1,936 m | 2,294 mm | 18.0 °C |
| Kodanad Tea Estate | Gandhi nagar, India | 1,929 m | 1,459 mm | 19.9 °C |
| Gisakura Tea Estate | West, Rwanda | 1,953 m | 2,008 mm | 21.1 °C |
Thiashola Tea Estate Compared with Tamil Nadu
In Tamil Nadu, Thiashola Tea Estate is wetter than 70% of the others by 2025 rainfall; higher than 60% of the others by elevation; cooler than 70% of the others by daytime temperature. The table sets Thiashola Tea Estate against the 10 other estates we map in Tamil Nadu, so you can see whether it is typical for its region or an outlier.
| Measure | Thiashola Tea Estate | Region median | Region range |
|---|---|---|---|
| Elevation | 1,941 m | 1,870 m | 415 to 2,247 m |
| Annual rainfall (2025) | 2,112 mm | 1,557 mm | 798 to 3,631 mm |
| Mean daily high | 19.9 °C | 20.4 °C | 18.2 to 32.2 °C |
| Mean overnight low | 12.7 °C | 13.2 °C | 10.9 to 21.7 °C |
Observed Climate at Thiashola Tea Estate (2025)
ERA5 reanalysis data modelled for Thiashola Tea Estate’s coordinates recorded 2,112 mm of precipitation across calendar year 2025. The wettest month was May (507 mm) and the driest was February (10 mm). Daytime highs averaged 19.9 °C and overnight lows 12.7 °C over the year; April was the warmest month and December the coolest.
| Metric | 2025 value |
|---|---|
| Annual precipitation | 2,112 mm |
| Wettest month | May (507 mm) |
| Driest month | February (10 mm) |
| Mean daily high | 19.9 °C |
| Mean overnight low | 12.7 °C |
Frequently Asked Questions
Where is Thiashola Tea Estate located?
Thiashola Tea Estate is in Tamil Nadu, India, at coordinates 11.2281, 76.6153, at an elevation of about 1941 metres.
Who operates Thiashola Tea Estate?
Thiashola Tea Estate is operated by Thiashola Plantations Pvt. Ltd., according to public supply-chain records.
What type of tea does Thiashola Tea Estate produce?
Thiashola Tea Estate is recorded as producing black tea.
What certifications does Thiashola Tea Estate hold?
Thiashola Tea Estate is recorded as holding the following certification(s): Ethical Tea Partnership.
How much rain does Thiashola Tea Estate receive?
ERA5 reanalysis data for the estate's coordinates recorded 2,112 mm of precipitation in 2025, peaking in May (507 mm).
How does Thiashola Tea Estate compare with estates at a similar elevation?
Thiashola Tea Estate recorded 2,112 mm in 2025, 34% more rain than the 1,578 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].