The ChomolhariTrek
133KM
4.8kM
9d
The Chomolhari Trek is a 7–9 day high-altitude route through the Jigme Dorji National Park, Bhutan. The trail traverses from Drugyel Dzong toward the base of Mount Jomolhari (7,326m), a sacred peak for the Bhutanese people. The route reaches high points at the Nyele La pass (4,700m) and potentially the Bongte La (~4,890m) depending on the variant. It is characterized by sustained exposure above 3,500 meters, passing through sub-alpine forests and high glacial basins where seasonal yak herders maintain their summer camps.
Mission Directive / X-Factor
“Proximal Glacial Topography. The defining characteristic is the proximity to the vertical faces of Jomolhari and Jichu Drake from the Jangothang base camp. The route provides an observation of the vertical ecological transition from rhododendron forests to permafrost environments. The convergence of multiple glacial valleys at Jangothang offers a perspective on the scale of the Himalayan range and the traditional herding livelihoods of the Layap community.”
Hazard Assessment
Sustained exposure above 3,500m and multiple pass crossings at 4,700m+. Risk of Acute Mountain Sickness (AMS) and high-altitude pulmonary/cerebral edema is a primary objective hazard.
MITIGATION: Strict adherence to a 'climb high, sleep low' protocol. Mandatory acclimatization rest day at Jangothang (3,580m). Guide-led pulse oximeter monitoring and availability of medical-grade oxygen are standard requirements for licensed operators.
High passes are subject to rapid weather shifts including blizzards and extreme wind-chill even during peak seasons.
MITIGATION: Utilization of multi-layer thermal systems. Guides monitor regional weather briefings; cross-pass transit is subject to visibility and snow accumulation thresholds.
Potential altitude-related conditions include AMS, HAPE, and HACE. Adequate acclimatization is essential.
MITIGATION: Strict adherence to hydration and gradual ascent protocols (climb high, sleep low).
Critical Loadout
Water Logistics
HIKING
PATHWAY
paro-himalayas // hiking
Approach & Acclimatization
3-day ascent from Drugyel Dzong (2,500m) to Jangothang Base Camp (3,580m). Includes mandatory rest/acclimatization day at 3,580m.
The High Passes
Crossing the Nyele La (4,700m) or Bongte La (4,890m). Transition from Jomolhari base to the remote Lingshi basin.
Dodena Descent
Long-distance descent through alpine meadows and deeper valleys toward the Thimphu road-head at Dodena.
| Step | Sector / Waypoint | Dist. | Gain (↑m) | Duration | Assessment |
|---|---|---|---|---|---|
| 1 | Approach & Acclimatization 3-day ascent from Drugyel Dzong (2,500m)... | 4 Days | --- | 4 Days | Standard Segment |
| 2 | The High Passes Crossing the Nyele La (4,700m) or Bongte... | 2 Days | --- | 2 Days | Standard Segment |
| 3 | Dodena Descent Long-distance descent through alpine mea... | 3 Days | --- | 3 Days | Standard Segment |
Technical Specifications
DOC_REF: GOLDEN_HIKING_BT_002Refuge Capacity
Camping in high-altitude tents only.
Regulatory
- Permit REQUIRED
- Authority Department of Tourism, Bhutan
The Sustainable Development Fee (SDF) is mandatory for every guest. All trekking specific permits are arranged by your local tour operator as part of your overall package.
Climatology
- OptimalApr, May, Sep, Oct, Nov
Best in the clear autumn (Oct-Nov) or the blooming spring (April-May).
Emergency / Comms
- Rescue (EU) 112 ACTIVE
- Signal Partial
Compare With Other Hikes
Side-by-side metric analysis. Compare The Chomolhari Trek directly against similar routes ÔÇö distance, elevation gain, HikeMetrics Hazard Score, and more.
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