Lawa La: Can you drive the 18 km narrow road to Phobjikha Valley?
Lawa La is a high mountain pass at an elevation of 3,349m (10,987ft) in the Wangdue Phodrang District of central Bhutan. Located in the Black Mountains, this 18 km route is the main access to the Phobjikha Valley. The drive is a technical climb that connects the east-west highway at Pele La with the valley floor, requiring constant gear changes and focus on the narrow asphalt edges.
| Road facts: Lawa La | |
|---|---|
| Location | Wangdue Phodrang District, Bhutan |
| Elevation | 3,349 m (10,987 ft) |
| Length | 18 km (11 miles) |
| Surface | Paved |
How difficult is the 18 km drive to Lawa La?
The road to Lawa La is entirely paved, but the asphalt is narrow and often broken at the edges. Over the 18 km stretch, you will face steep ramps and a sequence of sharp hairpin turns that put a constant load on the engine and transmission. In many sections, the road is not wide enough for two vehicles to pass comfortably, forcing one driver to stop or maneuver near the unprotected drop-offs of the Black Mountains.
What are the visibility hazards on the Lawa La road?
At 3,349 meters, fog is the primary danger on the Lawa La pass. It is common for visibility to drop to less than five meters in seconds, making the narrow hairpins extremely difficult to drive. Since there are no safety barriers in many sectors, the combination of thick clouds and steep slopes requires low speeds and the constant use of the horn to warn oncoming traffic or livestock on the road.
How does the altitude of Lawa La affect the vehicle?
The climb from the valley floor to the summit at 3,349m involves a sustained elevation gain that tests the cooling system. In the thin Himalayan air, engines lose torque, making the steep switchbacks a slow grind in low gears. On the descent toward the Phobjikha Valley, the weight of the vehicle puts heavy stress on the brakes; you must use engine braking to modulate speed and avoid brake fade before reaching the Taphu Lhakhang temple area.
What should you check before driving to Lawa La?
Before starting the 18 km journey, verify that your headlights and fog lights are fully functional. Check your brake pads and fluid, as the descent is relentless. While the road is paved, the isolation of the Wangdue Phodrang District means there are no mechanical workshops once you leave the main highway. Ensure your tires are in top condition to handle the wet and often slippery asphalt on the shaded parts of the mountain pass.
Pic: Lawa La stupa