In the regional Marma language, "Khum" signifies a deep natural pool or water reservoir. The mountain stream flows down a steep rock face into a deep pool that never dries out.
Amiakhum Waterfall, located in the remote Nakshiyang area of Thanchi Upazila within the Bandarban Hill District, is recognized as one of the most isolated and visually striking waterfalls in Bangladesh. Situated near the international border between Bangladesh and Myanmar, the waterfall drops through massive rocky canyon structures and dense forest terrain. Because of its extreme geographic isolation, traveling to Amiakhum requires significant physical endurance, multi-day planning, and strict compliance with local administrative and safety protocols.
How to Reach Amiakhum Waterfall
There are no direct roads to Amiakhum. The journey is divided into vehicular transit, river navigation, and intensive mountain trekking.
Stage 1: Bandarban Town to Thanchi Sadar
Distance: Approximately 79 kilometers.
Transit: Travelers typically hire a local four-wheel-drive open vehicle (Chander Gari) or take a local bus from Bandarban town to Thanchi Upazila. The drive along steep, winding mountain roads takes roughly 3.5 to 4.5 hours.
Stage 2: The Sangu River Boat Journey
Route: Thanchi Ghat to Remakri.
Transit: At Thanchi Bazar, travel groups are required to register their identities at local administration and security checkpoints and hire an official guide. From the ghat, visitors board low-profile, engine-run wooden boats to navigate upstream along the Sangu River.
The boat ride takes about 3 to 4 hours, passing landmark natural stone formations such as Tindu and Boro Pathor (large boulders in the riverbed).
Stage 3: The Trekking Trails
From Remakri, the route transitions entirely to foot travel. Travelers generally choose between two primary paths to reach a base village for an overnight stay before the final descent:
Route A (Via Nafakhum): Remakri → Nafakhum Waterfall → Zinna Para → Thuisa Para. This route follows the riverbed and mountain tracks, taking roughly 5 to 7 hours of trekking.
Route B (Via Padma Jhiri): A direct interior valley trek starting from a designated point near the river (Padma Jhiri) leading straight toward Thuisa Para, lasting approximately 6 to 8 hours depending on trail conditions.
Stage 4: The Final Descent via Devota Pahar
The Final Stretch: From the overnight base at Thuisa Para, trekkers set out early in the morning to cross Devota Pahar (Deity Mountain).
This involves a steep, near-vertical downward climb on muddy or rocky terrain that takes about 2 to 3 hours. At the bottom of this gorge lies the Amiakhum cascade, immediately adjacent to other geological formations like Satbhai Khum and Velakhum, which are explored via local bamboo rafts.
Seasonal Variations and Trail Conditions
1. The Monsoon Season (June – September)
If you are chasing raw power and dramatic landscapes.
The Waterfall: This is when Amiakhum is at its most spectacular. The waterfall reaches peak volume, creating a roaring, powerful flow that you can hear from a distance.
The Trail Difficulty: High. The trails turn into a muddy, slippery challenge, and you will definitely encounter leeches along the way.
Safety & Risks: You need to be highly alert. The Sangu River develops incredibly strong currents, flash floods are a constant potential threat, and sudden weather changes can completely disrupt your trekking schedule or river transport.
2. Autumn & Winter (October – February)
If you want safe trails and pleasant weather.
The Waterfall: The water flow transitions to a moderate pace, turning into a breathtaking, clear turquoise color with excellent visibility.
The Trail Difficulty: Moderate. As the rains stop, the trails dry out, making them significantly more stable and easier to navigate.
Safety & Risks: This is widely considered the safest and most comfortable period for trekking. Just pack a few warm layers, as the temperatures drop significantly at night in the higher-altitude tribal villages.
Which one should you choose?
Go in Monsoon if: You are an experienced trekker, don't mind getting muddy, and want to see the waterfall at its absolute wildest and most majestic.
Go in Autumn/Winter if: You prefer a safer, more relaxed trekking experience, want to swim in clear turquoise waters, and prefer comfortable hiking weather.
Review & Recommendation
For the Views (Monsoon): Offers the most spectacular, roaring waterfall views, but demands high physical fitness and caution due to hazardous trekking conditions.
For the Experience (Autumn/Winter): Provides the safest trails, pleasant weather, and a much more comfortable, reliable trekking experience.
Essential Travel Regulations and Tips
Mandatory Registration: Due to border proximity, all travelers must submit photocopies of national identification (NID) or passports at security checkpoints in Thanchi Sadar and Remakri. Foreign nationals require special prior clearance from the Ministry of Home Affairs to enter this region.
Guide Guidelines: Travelers cannot enter the trails without an authorized guide registered under the Thanchi Guide Committee. It is standard practice to negotiate a fixed daily rate that covers the guide's service, food, and accommodation.
Accommodations: There are no commercial hotels beyond Thanchi Sadar. Trekkers stay overnight in tribal villages (such as Thuisa Para or indigenous settlements along the jhiri) inside traditional bamboo houses managed by local communities. Meals consist of simple, locally sourced hill tracts staples.
Physical Preparation: The terrain demands high cardiovascular fitness. Packed gear should include specialized trekking shoes with strong grip, a first-aid kit, water purification tablets, and water-resistant bags to protect electronics during boat and raft transits.