In short: Nahar cha karkhana is a black tea estate in Sylhet, Bangladesh, operating at 17 metres elevation in the country's principal tea-growing region.
Nahar cha karkhana is a tea estate located in Sylhet, Bangladesh, at an elevation of 17 metres above sea level. Sylhet is the country's primary tea-producing region, and the estate specialises in black tea. The operating company is not currently recorded in available industry data, and no buyer relationships are documented in trade records.
Terroir & Climate
At 17 metres above sea level, Nahar cha karkhana occupies lowland terrain characteristic of much of the Sylhet valley. Estates at this elevation in Bangladesh typically experience the humid subtropical conditions of the Bengal plain, with warm year-round temperatures and high rainfall during the monsoon months. Such environments generally favour rapid vegetative growth, and the lack of altitude means that diurnal temperature variation—often credited with concentrating flavour compounds in higher-elevation teas—is minimal.
Lowland estates in this region tend to produce leaf with good body and colour extraction, suited to the vigorous processing required for orthodox or CTC black tea. Drainage and soil management are often critical at these elevations, as the flat topography and heavy seasonal rains can lead to waterlogging. The climate typically supports multiple flushes throughout the year, with the character of the leaf influenced more by seasonal rainfall patterns than by temperature-driven dormancy.
Tea Produced
Nahar cha karkhana produces black tea. Estates in the Sylhet lowlands at comparable elevations generally yield teas with a full-bodied, malty character and brisk astringency, well suited to blending and to markets that favour strength and colour over delicate aromatics. The cup profile typical of this terroir tends toward robustness rather than floral complexity, reflecting both the warm, humid growing conditions and the processing methods commonly employed in the region.
Location & Neighbouring Estates
Nahar cha karkhana lies at 24.3095, 91.7314 in Sylhet, Bangladesh. Its 17 m elevation is the joint 8th highest of 16 estates we map in Sylhet. The nearest estates in the TeaTrade directory, measured point-to-point from these coordinates, are:
- Balishira tea Factory — under 1 km away · Moulvibazar
- Baraoora tea Factory — under 1 km away · Moulvibazar
- BTRI Examination Green Tea Factory — under 1 km away · Moulvibazar
- BTRI tea research Factory — under 1 km away · Moulvibazar
- Dinston tea Factory — under 1 km away · Moulvibazar
Estates at a Similar Altitude to Nahar cha karkhana
Elevation shapes how slowly leaf matures, so we match Nahar cha karkhana (17 m) with estates within 150 m of its height that are not its neighbours. Each is shown with its own 2025 climate. Nahar cha karkhana recorded 2,123 mm in 2025, 32% less than the 3,105 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 |
|---|---|---|---|---|
| Rahmania Tea Garden | Moulvibazar, Bangladesh | 17 m | 3,054 mm | 29.9 °C |
| Lackatoorah Tea Factory | Sylhet, Bangladesh | 17 m | 3,920 mm | 30.0 °C |
| Zhejiang Chunan New Continent Tea Co. Ltd. | Xihu Dadao, China | 17 m | 1,470 mm | 24.3 °C |
| Renukanda Tea Estate | B158, Sri Lanka | 17 m | 3,642 mm | 30.0 °C |
| Thundola Tea Estate | B363, Sri Lanka | 17 m | 3,439 mm | 30.1 °C |
Nahar cha karkhana Compared with Sylhet
In Sylhet, Nahar cha karkhana is the driest of the 16 estates by 2025 rainfall; lower than 67% of the others by elevation; warmer than 67% of the others by daytime temperature. The table sets Nahar cha karkhana against the 15 other estates we map in Sylhet, so you can see whether it is typical for its region or an outlier.
| Measure | Nahar cha karkhana | Region median | Region range |
|---|---|---|---|
| Elevation | 17 m | 17 m | 9 to 18 m |
| Annual rainfall (2025) | 2,123 mm | 3,920 mm | 2,123 to 3,920 mm |
| Mean daily high | 30.2 °C | 30.0 °C | 29.8 to 30.3 °C |
| Mean overnight low | 20.7 °C | 20.6 °C | 20.3 to 20.7 °C |
Observed Climate at Nahar cha karkhana (2025)
ERA5 reanalysis data modelled for Nahar cha karkhana’s coordinates recorded 2,123 mm of precipitation across calendar year 2025. The wettest month was July (492 mm) and the driest was December (0 mm). Daytime highs averaged 30.2 °C and overnight lows 20.7 °C over the year; June was the warmest month and January the coolest.
| Metric | 2025 value |
|---|---|
| Annual precipitation | 2,123 mm |
| Wettest month | July (492 mm) |
| Driest month | December (0 mm) |
| Mean daily high | 30.2 °C |
| Mean overnight low | 20.7 °C |
Frequently Asked Questions
Where is Nahar cha karkhana located?
Nahar cha karkhana is in Sylhet, Bangladesh, at coordinates 24.3095, 91.7314, at an elevation of about 17 metres.
What type of tea does Nahar cha karkhana produce?
Nahar cha karkhana is recorded as producing black tea.
How much rain does Nahar cha karkhana receive?
ERA5 reanalysis data for the estate's coordinates recorded 2,123 mm of precipitation in 2025, peaking in July (492 mm).
How does Nahar cha karkhana compare with estates at a similar elevation?
Nahar cha karkhana recorded 2,123 mm in 2025, 32% less rain than the 3,105 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].