Upper Jaldhaka Valley: Difference between revisions
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The growing area encompasses the settlements along the river's upper course: Jhalong, Paren, Upper Paren, Suruk, Godak, Todey, Chisang and Tangta. Elevation rises from approximately 450 m at Jhalong through 600-900 m at Paren and Suruk, reaching 1,100-1,300 m at Todey and Chisang. The terrain is steep and terraced, bordered by bamboo groves, regenerating forest and scattered home gardens. Roads deteriorate beyond Suruk, with access limited to motorcycles and 4WDs during the monsoon.<ref name="fr3" /> | The growing area encompasses the settlements along the river's upper course: Jhalong, Paren, Upper Paren, Suruk, Godak, Todey, Chisang and Tangta. Elevation rises from approximately 450 m at Jhalong through 600-900 m at Paren and Suruk, reaching 1,100-1,300 m at Todey and Chisang. The terrain is steep and terraced, bordered by bamboo groves, regenerating forest and scattered home gardens. Roads deteriorate beyond Suruk, with access limited to motorcycles and 4WDs during the monsoon.<ref name="fr3" /> | ||
The population is predominantly Nepali-speaking, with Tamang, Rai, Lepcha and Bhutia communities. Households practise high-elevation horticulture | The population is predominantly Nepali-speaking, with Tamang, Rai, Lepcha and Bhutia communities. Households practise high-elevation horticulture (rice, pulses and seasonal vegetables) alongside small-scale livestock keeping and cash cropping of lychee and cardamom.<ref name="fr3" /> | ||
== Cultivation == | == Cultivation == | ||
Revision as of 15:09, 3 April 2026
| Upper Jaldhaka Valley | |
|---|---|
| Jaldhaka Valley | |
| Hierarchy | |
| Gene Pool | South Asian Gene Pool |
| Regional Complex | Hindu Kush-Himalayan |
| Growing Region | Eastern Himalayas |
| Geography | |
| Country | India |
| Province/State | West Bengal |
| District | Kalimpong |
| Coordinates | 27.050000, 88.820000 |
| Landscape | |
| Elevation | 450-1,800 m |
| Terrain | Steep Himalayan river valley, forested ridges, terraced slopes |
| Climate | |
| Climate Type | Subtropical to temperate monsoon |
| Rainfall | ~2,200 mm annually |
| Seasons | Monsoon (Jun-Sep), Post-monsoon (Oct-Nov), Winter (Dec-Feb), Pre-monsoon (Mar-May) |
| Documentation | |
| Appellations | 0 |
| Accessions | 3 |
| Conservation | |
| Status | Unknown |
Upper Jaldhaka Valley is a landrace cannabis growing area in Kalimpong district, West Bengal, India, encompassing the settlements and forested ridges along the upper course of the Jaldhaka River from Jhalong to Chisang on the Bhutanese border. The area falls within the Gorubathan Community Development Block of the Kalimpong Sadar subdivision.
Cannabis populations in the Upper Jaldhaka Valley were first systematically documented during the 2025 Northeastern India survey conducted by the Zomia Collective, which recorded feral and domesticate landrace populations across multiple villages between approximately 450 m and 1,300 m elevation.[1] Informants in several villages confirmed a long-standing history of cultivation, with cannabis maintained for personal consumption, veterinary use and concealed commercial production near the Bhutan border.[1]
Geography
The Jaldhaka River originates from Bitang Lake at Kupup in Sikkim, near the Jelep La pass, and flows through Bhutan's Samtse District before re-entering India at Bindu in Kalimpong district. From Bindu, the river carves a narrow valley southward through approximately 10 km of forested terrain before reaching the Dooars plains. The valley is flanked by the Bhutan hills on its eastern bank and a descending ridge from Reche-la of Neora Valley National Park on the west.
The growing area encompasses the settlements along the river's upper course: Jhalong, Paren, Upper Paren, Suruk, Godak, Todey, Chisang and Tangta. Elevation rises from approximately 450 m at Jhalong through 600-900 m at Paren and Suruk, reaching 1,100-1,300 m at Todey and Chisang. The terrain is steep and terraced, bordered by bamboo groves, regenerating forest and scattered home gardens. Roads deteriorate beyond Suruk, with access limited to motorcycles and 4WDs during the monsoon.[1]
The population is predominantly Nepali-speaking, with Tamang, Rai, Lepcha and Bhutia communities. Households practise high-elevation horticulture (rice, pulses and seasonal vegetables) alongside small-scale livestock keeping and cash cropping of lychee and cardamom.[1]
Cultivation
Domesticate landrace
Cannabis cultivation in the Upper Jaldhaka Valley is primarily household-scale, maintained for personal consumption, veterinary use and informal trade. Plants are propagated through household seed saving and local exchange.[1]
At Paren (600-700 m), a cultivated plant was documented within a residential compound: a compact individual approximately 1-1.2 m tall with tight internodal spacing, broader and shorter leaflets than other populations in the area, and a pronounced mentholated aroma with pine and camphor notes. The grower, an older woman, confirmed the plant was maintained to treat goats with digestive problems. She noted that while the family no longer used cannabis recreationally, they continued to grow one or two plants each year for veterinary purposes.[1]
At Suruk (850-900 m), domesticate individuals were observed within a mixed stand of feral and cultivated cannabis covering approximately 20-30 m between household compounds. The domesticate plants were taller than the feral individuals, with more elongated leaflets and wider internodal spacing. A local woman described the nisha (effects) as very potent and confirmed long-standing use in the village. Residents noted a decline in open planting but not in familiarity with the plant.[1]
At Godak (1,100-1,200 m), patches of domesticate landrace were observed near roadsides, intermixed with feral plants. At Todey (1,100-1,200 m), residents described a locally grown type with a strong lemon scent and long flowering time, cultivated in upper slope plots bordering the forest and centred around Tangta.[1]
Boundaries between managed and unmanaged populations were often unclear, with volunteer and cultivated plants growing in close proximity.[1]
Feral populations
Feral cannabis is present throughout the valley. At Suruk, feral plants within the mixed stand were 1.5-2 m tall with narrow leaflets, upright frames and citrus-forward terpene profiles. At Upper Paren (750 m), a feral individual produced a sharp lemon aroma on stem rub, consistent with plants documented lower in the Chapramari Forest corridor and suggesting a shared genotype across the gradient.[1]
Commercial cultivation
Commercial cultivation was not directly observed during the 2025 survey. Informants described concealed plantings in forest-adjacent zones and near the Bhutan border, on steep slopes, forest buffers and riverbank clearings that are difficult to access without local guidance.[1]
Enforcement
Cannabis cultivation in India is criminalised under the Narcotic Drugs and Psychotropic Substances Act, 1985. Policing in the Upper Jaldhaka Valley falls under Jaldhaka and Gorubathan Police Stations of Kalimpong District Police. No cannabis-specific eradication campaigns targeting the area have been documented in English-language media. Informants reported that enforcement pressure has contributed to a decline in open cultivation.[1]
Accessions
| Accession | Village | Elevation | Type | Collector |
|---|---|---|---|---|
| Upper Paren Feral Accession #1 | Upper Paren | ~750 m | Feral | Dillon & Iza (2025) |
| Suruk Feral General Population #1 | Suruk | 850-900 m | Mixed feral & domesticate | Dillon & Iza (2025) |
No accessions were made at Paren (plant not in flower), Todey or Chisang (monsoon conditions, plant immaturity). A return visit was planned for post-monsoon 2025.[1]
| Accession ID | Name | Priority | Collected | Locality |
|---|---|---|---|---|
| ZOM-IND-WEB-0620250031 | Upper Paren 'Lemon' Feral Selection 2025 | Medium | 18 June 2025 | Paren |
| ZOM-IND-WEB-0620250030 | Upper Suruk Feral Selection 2025 | Medium | 18 June 2025 | Suruk |
| ZOM-IND-WEB-0620250029 | Suruk Feral Selection 2025 | Medium | 18 June 2025 | Suruk |
Conservation Status
Conservation status: Unknown — Newly documented area. Feral populations appear established; domesticate cultivation persists at household scale under enforcement pressure. No formal conservation assessment has been conducted.
Domesticate landrace populations are declining in visibility. Older residents continue to maintain plants for veterinary and personal use, but several informants across villages noted that open cultivation has decreased in recent years. No formal seed preservation programme existed prior to the 2025 survey.[1]
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