Yen Minh to Lung Cu: Entering the Stone Kingdom

Updated 19/04/26
Lung Cu Flag Tower, in Vietnam's Far North

The journey from Yen Minh to Lung Cu takes you to the northernmost point of Vietnam. This route is a dramatic push through the heart of the Dong Van Karst Plateau, leaving the valley floor of Yen Minh for the high-altitude borderlands with China. It is a ride defined by sheer limestone cliffs, ancient Hmong villages, and the towering presence of the Lung Cu Flag Tower.

This route blog is part of our Ha Giang Route Planner, so if you are looking for further for ideas on routes and tips to help keep you safe. Check it out.

Contents

Quick Stats

  • Region: North Ha Giang Loop
  • Total Distance: Approx 70km.
  • Duration: 1 Day / 4-5hrs driving time. But, you’ll stop a lot.
  • Terrain: Steep, winding mountain passes, narrow border roads, and high-altitude plateaus.
  • Best Time of Year: Nov-Dec: for dry skies and clear views.
  • Best Time of Day: Good to get an early start here to beat the crowds. You might find it easier to get that Flag Tower selfie.
  • Difficulty: Moderate to Challenging. While the roads are mostly paved, the narrow sections near the border and the steep final ascent to Lung Cu require focused riding.
  • Fuel/4/5G: Plentiful until Lung Cu turn off. Be sure to fill. Intermittent 4G/5G coverage for most of the route.
  • Warnings: Some of the roads to Lung CU are narrow and some are quite steep. This is not the place to learn to ride.

Route Map

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The BLACK ROUTE follows the main road (4C) and is not a difficult drive other than the heavy traffic, especially on holidays. Once you turn off, it becomes more technical. It is NOT the place to learn to drive.

Where to Next?

Now that you are at the top tip of Vietnam, the only way to go is South. You are most likely to either go to Dong Van or at least pass through you on your way to either Du Gia or Meo Vac.

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Tips & Advice

There is a lot of climbing on this route which means a wide range of temperatures. Make sure to be prepared for this. The riding is a little challenging at times but traffic is low and the views are amazing.

Police & Law

  • Alcohol: Strict zero-tolerance policy. Even one beer can lead to bike impoundment.
  • Checkpoints: Possibly on the way out of Yen Minh. Road blocks are usually set up before here.
  • Cameras: Speed/safety cameras are active in Yen Minh, not so much anywhere else until you get to Lung Cu.

Road & Safety

  • Brakes: Use low gears(engine braking) on descents to prevent brake failure.
  • Coasting: Never coast in neutral.
  • The Route: There are narrow and steep parts on this route. Take care and stay in lane.
  • Weather: Prepare for the cold and take rests to warm up if needed. Be comfortable with low visibility.

Clothing & Gear

  • Layer for change: Wear layers that you can change easily.
  • Waterproofs Be sure to have at least a raincoat. Even the constant mist will soak you to the skin.
  • Hi-Viz Gear: Wear bright clothing or a high-vis vest to ensure you are seen through the mountain mist and heavy traffic.

FAQ

There are no major “branded” petrol stations in Lung Cu village itself. Fill up in Yen Minh or Dong Van before you make the detour. Some small local shops sell petrol in bottles for emergencies, but it’s best not to rely on them.

Yes! Looking north from the top of the Flag Tower, the valley below and the mountains immediately across the border are Chinese territory. You can often see the border fence winding through the hills.

Many riders stay in Dong Van for more food options. However, staying in Lo Lo Chai village (at the base of the Flag Tower) offers a much more authentic, quiet experience in traditional homestays.

We feel it depends on the season. Summer = Lung Cu; Winter = Dong Van. This is due to there being warmer hotels in Dong Van.

There are nearly 900 steps from the lower parking area to the very top. There is a buggy service that can take you halfway up if you are feeling tired from the ride.

While the road runs very close to the border, there are strictly marked “No Entry” zones and military posts. Stick to the main paved roads and do not attempt to cross any fences or unmarked trails near the border.

Entering the Stone Kingdom

The ride from Yen Minh to Lung Cu is a pilgrimage to the very top of the country. It is a journey through history, culture, and some of the most rugged terrain on earth. Standing under the massive flag at the summit, looking out over the border into China, is a moment of pure triumph for any Ha Giang traveler.

What’s Next?
If you are looking to wind your way through the small concrete paths that cling to the hillside, then you should follow our route map to Du Gia. If smooth sweeping tarmac and huge views are your thing, then head towards Dong Van, Meo Vac and then Bao Lac.

Adventure Awaits

Royal Enfield Himalayan motorcycle rental

Engine Type

air-cooled, single cylinder, SOHC

Displacement

411 cc

Bore X Stroke

78 mm x 86 mm

Ignition

TCI

Fuel System

fuel injection

Compression Ratio

9.5:1

Starter

electric

Gearbox

5-speed

Front Suspension

telescopic forks; stanchion diameter 41 mm

Rear Suspension

linkage-type monoshock

Front Brakes

single disc brake, diameter 300 mm, 2-piston floating caliper

Rear Brakes

single disc brake, diameter 240 mm, single-piston floating caliper

Front Tyres

90/90 – 21

Rear Tyres

120/90 – 17

Wheelbase

1465 mm

Seat Height

800 mm

Ground Clearance

220 mm

Kerb Weight

199 kg

Fuel Capacity

15 litres

Dimensions

2190 mm (L) x 840 mm (W) x 1360 mm (H)

Daily

Total

Rider (CRF 300)

$220

Pillion

$120

Damage Waiver

$20

Private Room

$40

Support Vehicle*

$150

* All prices given are in USD and apply per rider except for the support vehicle. The support vehicle is free for groups of 7 or more, otherwise the cost is shared across the group. 

Daily

Total

Rider (XR 150)

Rider (CRF 300)

Rider (CB 500X)

Rider (Himalayan 400)

$220

Rider (GS 1250)

Pillion

$120

Damage Waiver

$20

Private Room

$40

Support Vehicle*

$150

* All prices given are in USD and apply per rider except for the support vehicle. The support vehicle is free for groups of 7 or more, otherwise the cost is shared across the group. 

Daily

Total

Jeep (1 PAX)

$210

Jeep (2 PAX)

$120

Jeep (3 PAX)

$90

Jeep (4+ PAX)

$80

Rider (Easy Rider)

$115

Rider (Self-Drive)

$105

Private Room

$15

* Our jeep tour prices operate on a sliding scale. The larger your group, the less each person pays—each member of your group will pay the lowest daily rate shown. For example, if you have a group of 4 or more, you will each only pay $80/day. All prices are given in USD.

BMW 1250 GS

Engine Type

air-liquid cooled, twin cylinder, DOHC, boxer engine

Displacement

1255 cc

Bore X Stroke

102.5 mm x 76 mm

Ignition

FI

Fuel System

fuel injection

Compression Ratio

12.5:1

Starter

electric

Gearbox

6-speed

Front Suspension

BMW Motorrad Telelever; stanchion diameter 37 mm

Rear Suspension

single-sided swing arm with BMW Motorrad Paralever

Front Brakes

dual disc brake, floating brake discs, diameter 305 mm, 4-piston radial calipers

Rear Brakes

single disc brake, diameter 276 mm, double-piston floating caliper

Front Tyres

120/70 R19

Rear Tyres

170/60 R17

Wheelbase

1514 mm

Seat Height

850 mm

Ground Clearance

790 mm

Kerb Weight

249 kg

Fuel Capacity

20 litres

Dimensions

2207 mm (L) x 952.5mm (W) x 1430 mm (H)

Honda XR 150 motorcycle rental

Engine Type

air cooled, OHC, single cylinder

Displacement

149 cc

Bore X Stroke

57.3 mm x 57.8 mm

Ignition

CDI

Fuel System

20 mm piston valve carburettor

Compression Ratio

9.5:1

Starter

electric with kick starter backup

Gearbox

5-speed

Front Suspension

telescopic fork, 180 mm axle travel

Rear Suspension

single shock swing arm, 150 mm axle travel

Front Brakes

dual piston caliper, 240 mm disc

Rear Brakes

mechanical drum

Front Tyres

90/90 19

Rear Tyres

110/90 17

Wheelbase

1362 mm

Seat Height

825 mm

Ground Clearance

243 mm

Kerb Weight

129 kg

Fuel Capacity

12 litres

Dimensions

2091 mm (L) x 811 mm (W) x 1125 mm (H)

Honda CB 500X motorcycle rental

Engine Type

liquid cooled parallel-twin four stroke

Displacement

470 cc

Bore X Stroke

67 mm x 66.8 mm

Ignition

PGMI – FI

Fuel System

fuel injection

Compression Ratio

10.7:1

Starter

electric

Gearbox

6-speed

Front Suspension

41 mm SFF-BP USD Forks

Rear Suspension

Prolink Mono with 5 stage pre load adjuster

Front Brakes

dual 296 mm discs with 4 piston calipers; ABS

Rear Brakes

240 mm disc; ABS

Front Tyres

110/80R19M/C (59H)

Rear Tyres

160/60R17M/C

Wheelbase

1445 mm

Seat Height

830 mm

Ground Clearance

180 mm

Kerb Weight

199 kg

Fuel Capacity

17.7 litres

Dimensions

2,155 mm (L) x 830 mm (W) x 1,410 mm (H)

Honda CRF 300 motorcycle rental

Engine Type

single cylinder, DOHC, liquid cooled

Displacement

286 cc

Bore X Stroke

76 mm x 63 mm

Ignition

Full Transistor Digital

Fuel System

PGM-FI electronic fuel injection

Compression Ratio

10.7:1

Starter

electric

Gearbox

5-speed

Front Suspension

43 mm telescopic upside down

Rear Suspension

Prolink Mono with 5 stage pre load adjuster

Front Brakes

256 mm disc, 2 piston caliper

Rear Brakes

220 mm disc, single piston caliper

Front Tyres

80/100 21

Rear Tyres

120/80 18

Wheelbase

1455 mm

Seat Height

880 mm

Ground Clearance

285 mm

Kerb Weight

142 kg

Fuel Capacity

7.8 litres

Dimensions

2230 mm (L) x 820 mm (W) x 1200 mm (H)