THAM MA Pass (Greetly steep code) in Ha Giang

Tham Ma Pass with its winding S-shaped mountain road in Ha Giang, northern Vietnam
Tham Ma Pass is a famous mountain road in Ha Giang, known for its steep curves and dramatic limestone scenery.

ℹ️ Tham Ma Information
🏍️ How to Get There
⛰️ Things to See
☀️ Weather and Best Time
❓ FAQ and Travel Tips
📸 Photo Gallery

Quick answer: Tham Ma Pass is a winding mountain road on the Ha Giang Loop in northern Vietnam. Its famous S-shaped curves, steep slopes and scenic viewpoints make it a popular stop between Yen Minh and Dong Van, offering memorable views of the surrounding limestone mountains.

At a glance:

  • 📍 Location: Ha Giang Province, northern Vietnam, along Highway QL4C.
  • 🛣️ Length: Approximately 5 km of winding mountain road.
  • ⛰️ Elevation: Around 1,500 m above sea level.
  • 📷 Main highlight: The famous S-shaped curves and viewpoint above the road.
  • 🏍️ Getting there: Motorbike, Easy Rider, private car or organised tour.
  • ⚠️ Road conditions: Steep bends, fog and rain require extra caution.

Last updated in October 2026


Tham Ma Pass – A Famous Mountain Road in Ha Giang

Tham Ma Pass is one of the best-known mountain passes in the Ha Giang region. Located along Highway QL4C, it is a memorable stop on the route between Yen Minh and Dong Van through the Dong Van Karst Plateau Geopark.

The pass is famous for its steep, winding road and distinctive S-shaped curves. Mountain viewpoints provide a good opportunity to admire the surrounding limestone landscape and photograph the road from above.

✅ Why Visit?

  • See the famous S-shaped mountain road.
  • Enjoy views across the limestone mountains.
  • Stop for photographs along the Ha Giang Loop.
  • Experience one of northern Vietnam’s scenic passes.
  • Continue towards Dong Van and nearby villages.

⚠️ What to Consider

  • Expect steep bends and winding roads.
  • Fog and rain can reduce visibility.
  • Road conditions require careful riding.
  • Mountain weather can change quickly.
  • Use safe places for photo stops.

⭐ Is Tham Ma Pass Worth Visiting?

Yes, especially if you are travelling the Ha Giang Loop. Its winding road and mountain scenery make it a memorable stop between Yen Minh and Dong Van, with opportunities for photographs from the surrounding viewpoints.

Yen Minh district and mountain scenery along the route to Tham Ma Pass in Ha Giang, Vietnam
Yen Minh is a convenient stop before continuing towards Tham Ma Pass and Dong Van.


⛰️ Best Things to See at Tham Ma Pass

Allow time to admire the winding road, mountain scenery and nearby villages. The pass is mainly a scenic stop rather than a place with a large collection of formal attractions.

🛣️ See the S-Shaped Road

The famous curves wind up the mountainside and create one of the most recognisable views on the Ha Giang Loop.

📷 Stop at the Viewpoint

Look back over the road from a safe viewpoint and photograph the bends against the surrounding limestone landscape.

⛰️ Enjoy Mountain Scenery

The surrounding area features rugged limestone peaks, rocky slopes and broad views across northern Vietnam.

🏡 Observe Local Village Life

Small settlements and cultivated plots reflect everyday life in the mountainous parts of Ha Giang.

🌄 Explore the Dong Van Geopark

Tham Ma Pass forms part of a wider landscape of limestone mountains, valleys and remote rural communities.

🏍️ Continue the Ha Giang Loop

Follow the mountain route towards Dong Van and discover more of the region’s dramatic scenery along the way.

Book a Ha Giang Tour / Easy Rider ➜

💡 Travel Tip

Stop only in safe places away from traffic. If you are riding a motorbike, avoid taking photographs while moving and be prepared for sudden changes in visibility.

Tham Ma Pass and National Highway QL4C winding through the mountains of Ha Giang, Vietnam
Tham Ma Pass follows National Highway QL4C through the mountains of Ha Giang.


🏍️ How to Get to Tham Ma Pass

Tham Ma Pass lies along Highway QL4C, the main road used by travellers following the Ha Giang Loop. Most visitors travel from Ha Giang towards Yen Minh and continue north to Dong Van.

From Ha Giang town, Yen Minh is approximately 70 km away. The road continues through mountainous terrain, so allow enough time for the journey and avoid rushing between stops.

Book Bus Tickets or Car to Ha Giang ➜

🏍️ Motorbike

  • Flexible for stops and viewpoints.
  • Ideal for experienced Ha Giang Loop riders.
  • Requires appropriate licensing and skills.
  • Avoid heavy rain and thick fog.

🛵 Easy Rider

  • A local driver handles the mountain roads.
  • Enjoy the scenery without riding yourself.
  • Can be part of a guided Ha Giang Loop.
  • Agree on stops and plans beforehand.

🚗 Private Car or Taxi

  • Comfortable for couples and groups.
  • A practical alternative to motorbikes.
  • Confirm the price and waiting time.
  • Check the return journey in advance.

⚠️ Safety Tip for the Mountain Road

The pass has sharp bends and steep sections. Ride slowly, keep a safe distance and avoid the road in poor visibility. If you lack mountain-riding experience, consider an Easy Rider or private car.

Viewpoint overlooking the winding S-shaped road of Tham Ma Pass in Ha Giang, northern Vietnam
The viewpoint offers a view of the winding road and surrounding mountains.


☀️ Best Time to Visit Tham Ma Pass

Tham Ma Pass can be visited throughout the year, but clear weather provides the best views. Spring and autumn are often good choices, while summer rain and winter fog can make mountain travel more difficult.

🍂 Autumn

Often a good season for mountain scenery and road trips. Check the forecast because clear skies are not guaranteed.

🌸 Spring

A popular time to explore northern Vietnam, although mornings can be cool and weather may change quickly.

🌧️ Summer and Rainy Periods

Rain can reduce visibility and make bends slippery. Be ready to delay the ride if conditions become unsafe.

❄️ Winter

Expect cold temperatures, wind and occasional fog. Bring warm layers for stops at exposed viewpoints.

For seasonal conditions, average temperatures, rainfall and the best time to visit, see our detailed guide to weather in Ha Giang. It will help you plan your trip and prepare for changing mountain weather along the Ha Giang Loop.

Mountain road at Tham Ma Pass continuing towards Dong Van on Highway QL4C
From Tham Ma Pass, travellers can continue north towards Dong Van.


🏡 Where to Stay Near Tham Ma Pass

Yen Minh is a practical stop along the route, while Dong Van offers another base for exploring the northern part of the Ha Giang Loop. Accommodation ranges from hotels and guesthouses to simple homestays.

Explore Hotels and Homestays in Ha Giang ➜

🏨 Hotels in Yen Minh and Dong Van

Hotels offer private rooms and comfortable facilities, often close to town centres, restaurants and everyday services.

🏡 Local Homestays

Homestays provide a more personal atmosphere and opportunities to experience local hospitality and village life.

🛏️ Guesthouses

Guesthouses offer simple, practical accommodation for travellers who need an overnight stop along the mountain route.

🌿 Rural Stays

Rural accommodation offers a quieter setting surrounded by mountains, cultivated land and traditional settlements.

Hotels and homestays in Ha Giang, Vietnam, for travellers exploring the mountain region


❓ Tham Ma Pass: Frequently Asked Questions

Where is Tham Ma Pass located in Vietnam?

Tham Ma Pass is in Ha Giang Province, northern Vietnam, along Highway QL4C in the Dong Van Karst Plateau area.

How far is Tham Ma Pass from Yen Minh and Dong Van?

The pass is approximately 10 km from Yen Minh and around 30 km from Dong Van, depending on the route and starting point.

How do you get to Tham Ma Pass?

Travel from Ha Giang towards Yen Minh and Dong Van by motorbike, Easy Rider, private car or organised tour. The pass lies directly on the Ha Giang Loop.

Is Tham Ma Pass dangerous for motorbike riders?

The road has steep sections and sharp bends. Ride carefully, especially in rain or fog, and consider a local driver if you lack mountain-riding experience.

How long is Tham Ma Pass?

The mountain pass is approximately 5 km long, with winding curves and viewpoints along the route.

How much time should you spend at Tham Ma Pass?

Allow around 30–60 minutes for photographs and viewpoints. Add more time if you want to explore the surrounding area.

When is the best time to visit Tham Ma Pass?

Spring and autumn are often good choices. Fog, heavy rain and winter cold can affect visibility and riding conditions. See our guide to Ha Giang weather.

What attractions can you visit near Tham Ma Pass?

Nearby destinations include Dong Van, Ma Pi Leng Pass, Lung Cu Flag Tower and local mountain villages.

Do you need a permit to travel in Ha Giang?

Permit requirements can apply in some border areas. Check current local regulations before travelling through remote parts of Ha Giang.

What are the best things to do in Ha Giang?

Popular activities include riding the Ha Giang Loop with a qualified driver, visiting mountain passes, exploring villages and discovering local markets.

Is Vietnam suitable for solo travellers?

Yes, Vietnam can be explored independently with sensible planning. Read our guide to solo travel in Vietnam for practical advice.

Where can I learn more about Vietnamese culture?

Learn about local traditions and hospitality in our guide to Vietnamese culture.

Book a Ha Giang Tour / Easy Rider ➜


🗺️ Map and Route to Tham Ma Pass

Tham Ma Pass lies on Highway QL4C between Yen Minh and Dong Van. Use a current map for navigation and follow local signs, especially if road conditions or access restrictions change.

Map showing the location of Tham Ma Pass along the Ha Giang Loop in northern Vietnam
Map showing the location of Tham Ma Pass on the Ha Giang Loop.

📸 Tham Ma Pass in Ha Giang – Photo Gallery

Winding mountain road at Tham Ma Pass viewed from the Ha Giang Loop in northern Vietnam
Tham Ma Pass is known for its steep curves and views from the mountain road.
Local children near the mountain road at Tham Ma Pass in Ha Giang, northern Vietnam
Local communities live along the mountain routes around Tham Ma Pass.
Travellers exploring Tham Ma Pass on the Ha Giang Loop in northern Vietnam
Travellers stop to enjoy the scenery along the pass.
Viewpoint overlooking the winding road of Tham Ma Pass in Ha Giang, Vietnam
Tham Ma Pass offers impressive views of the winding mountain road.
Pho Cao village near Tham Ma Pass along the Ha Giang Loop in northern Vietnam
Pho Cao is one of the villages in the wider area around Tham Ma Pass.

🎫 Book bus tickets or car from Hanoi to Ha Giang online:

(You can change your departure place, arrival, date of departure, e.g. Ha Giang > Hanoi…)

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About the author:
Hi, my name is Milan and I’m from the Czech Republic. I’m an independent traveler and the creator of this guide about northern Vietnam. I’ve spent a lot of time exploring this beautiful region — especially its mountains, nature, and ethnic culture. This website was born from my personal travel experiences, and I regularly update it with new tips and information to help fellow travelers. Follow our Facebook page for updates. This site was built with passion ❤️. Read more about the author
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