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Thailand Gravel Roads

1000 kilometres on the road less travelled - a multi surface adventure tour

Gravel bikes, All Road bikes, Adventure bikes - whatever you wish to call them these bikes are fantastic, and, allowing a brisk pace on road whilst still being supremely capable off-road they open up a wonderful array of possibilities for the adventure-seeking to explore the path less travelled. 

A little know secret of Thailand is its astonishing network of unsealed roads. Gravel, grit, dust, and dirt trails spread out across the entire nation like vines, but generally, remain unknown and untraveled by all but the local farmer.

Slowly these roads are being sealed, meaning that quiet rural blacktop byways and concrete lanes link these unsealed gems and provide those with time to explore the opportunity to enjoy a unique adventure and see a Thailand a world away from the tourist land that 99% of tourists experience.

Drawing on a long-held passion for exploring the roads, tracks, and trails less travelled, we have woven a route from Chiang Rai in the country’s far north, to Ayuthaya, the ancient capital less that one hundred kilometres north of the nation’s present capital, Bangkok. 

If you enjoy adventure cycling, gravel roads, byways light of traffic, and seeing the side of a country seldom experienced by the vast majority of visitors then this really could be just your sort of tour.


At a Glance

Total Days: 13

Cycling Days: 10

Difficulty: 6/10

Daily Average: 105km

Off-Road: ~50%

Max. Alt.: 670m

2020: 26 Dec - 07 Jan: $2500.00

2021: 10 Jan - 22 Jan: $2500.00


This is a tour conceived from a personal passion for travelling through Thailand on the road less travelled and often unsealed, on a fat tyre bicycle with dropped handlebars and real-world gearing. With the rapidly increasing interest in this sort of bike and this style of riding PaintedRoads realised that the time had come to introduce our fellow cyclists to the world of Asian adventure cycling, and the road less travelled.

Please Be Aware

The very nature of this tour is one of flux. As time goes by dirt roads become gravel, gravel roads become surfaced, old trails are dug over to plant rice, new tracks appear, and in the unlikely event of rain, some unsealed sections can quickly become too muddy to ride. For these reasons all distances given are approximate, some days may be shorter, some longer, some may have more unsealed roads, some may have less, and the route may at times need to be altered to take present conditions into account. The tour has been designed with approximately 50% of the riding time on unsealed byways, but this is to be seen as a guide, not an accurate scientific measurement. 

Apprehensive beforehand, yes. Sated afterwards, a very big YES. A truly fantastic two weeks cycling on the tracks, paths and byroads of rural & small town Thailand away from my fellow Farang and the tourist trail. A variety of surfaces, all very much manageable, other than the odd vertical wall

Colm - Dublin on Thailand Gravel Roads


Our journey begins in Chiang Rai and visits two previous national capitals, our rest day town Sukhothai, and our ultimate destination Ayuthaya. These are all considered highlights by regular travels and are indeed well worth visiting, but for us, the real highlight of this tour is exploring unseen Thailand. It's a Thailand where few foreigners venture and the ever-friendly locals are delighted to meet real travellers with a genuine interest in their land far beyond the beaches and bars of the tourist hotspots.

Included in this tour

All accommodation, local guide, meals on cycling days, snacks during cycling days, and drinking water whilst cycling. We will be supported by a service vehicle that will carry our luggage. Unlike other tours, the nature of this tour's route prevents the vehicle following us for a lot of the time. We will meet up with the vehicle throughout the day and at such times we will have access to our luggage, and anyone in need of a transfer will be able to hop in.

As with all PaintedRoads tour, this ride will be accompanied by David. 


All accommodation has air-conditioned rooms and en-suite bathrooms in guest-houses and hotels picked with location, comfort, and character in mind.

Support Vehicle

Due to the nature of the riding a support vehicle following our route at a discrete distance is not only unpractical but beyond the spirit of a route designed to take us on a route light of, and at times free of, motorised traffic. We will, however, have a service vehicle accompanying us for the duration of the tour. The vehicle will carry our luggage, snacks, water, spares, and tools. It will usually be no more than half an hour away, and we will generally meet the vehicle every thirty kilometres or so for breaks. The vehicle is equipped to carry several group members and their bikes at a time and will be able to meet us in an emergency at most points on the tour within a reasonable amount of time. In the very unlikely case that we all need to transfer we will make necessary arrangements at the time.

This gravel trip opened my eyes to an entirely new dimension to bicycling. Not only was it a great time and challenging, I was able to quickly learn some additional techniques unique to gravel cycling that I can use on my own for years to come.

Mike Hugentobler - USA on Thailand Gravel Roads

Joining instructions

The tour begins in the city of Chiang Rai (airport code CEI). You will be met at the airport on arrival and taken to our joining hotel where you will be met by your tour leader.

The tour ends in Ayuthaya, 80 kilometres north of Bangkok. On the final day of the tour, we will arrange a group transfer for those wishing to travel on to Bangkok, either to a hotel or airport. We are happy to help with booking extra nights in either Bangkok or Ayuthaya.

Airlines worth considering for this tour include:

Thai Airways. 




All of whom have services to Chiang Rai via Bangkok's Suvarnabhumi airport.

David has managed to put together a tour that combines my love of gravel riding and experiencing the essence of a country through its back roads. The routes were a great mix of fast gravel, hidden trails, scenic valleys and some road sections where the brain could have a break from the concentration you need with gravel riding.

Sarah - Australia on Thailand Gravel Roads


It's a ride with reasonably long days in the saddle and an average daily distance over 100 kilometres. The early days have a few notable climbs, and day six presents a few gradients rearing up on occasion to nearly 30%! Day six also has an unavoidable ten kilometres of busy highway, although it does thankfully have a good wide shoulder, and for those wishing to avoid this, we have a support vehicle. Otherwise, the cycling is on quiet byways and unsealed trails, and once past the rest day, the going is generally flat. The cycling time is split approximately 50/50 between sealed and unsealed roads. The emphasis is on unsealed roads, not mountain biking routes, and technical mountain bike skills are not required. However, it is necessary to have a degree of experience and competence riding on loose and uneven surfaces. 

The tour will run from north to south to hopefully take advantage of the predominantly northeasterly winds at this time of year. Please do keep in mind that 100kms of gravel roads takes noticeably more toll on one that 100kms of bitumen. 

Bicycle Advice

At PaintedRoads we hold firmly to the opinion that using your own bike, the bike on which you feel at home and comfortable, is the finest way to enjoy a cycling adventure. PaintedRoads tours have always been explored on and designed around, what are now known as adventure and gravel bikes, and such bikes are ideal for this tour. Cross country mountain bikes and touring bikes are also suitable, but with so much riding on unsealed roads, we do not recommend tyres any less than 35mm on 700c wheels, 45mm on 650b wheels, and 2" on 26" wheels. Please also be aware that Thai hills can be short and steep. Gearing for high speeds on the flat is not necessary, gearing from getting up a steep or long gradient is. Ideal gravel/adventure gearing is a 30/46 crankset and an 11-36 or even 11-40 cassette. If using a 10-42 1X setup we recommend a 38 or 36 tooth chainring.

Due to the nature of the route our support vehicle will often not be able to follow us. It will meet us from time to time during the day, but you will need to be able to carry anything you may need whilst riding, such as water, snacks, camera, spare tube, etc. A small backpack, a frame bag, saddlebag, or handlebar bag will all suffice.

ESSENTIAL! Please be sure that your bicycle is in perfect condition before you leave home. Please be sure to bring bike-specific spares such as a few spokes, a couple of inner tubes, a spare tyre, brake pads, rear derailleur hanger. If in any doubt please consult your local bike shop. 

Great companionship on the trip, hot weather, comfortable accommodation, fabulous food, superb support team and David in his natural environment on the gravel tracks close to his heart. I cannot recommend this trip highly enough to Painted Roads 4.28 veterans or new Painted roads cyclists. Thanks, David for all the advice and a truly amazing trip.

Colm - Republic of Ireland on Thailand Gravel Roads

Rental Bicycles

Rental Bikes: If you wish to hire a bicycle we can arrange for the hire of good quality cycles from our in-country agent. Typically these bikes are mountain bikes, often Trek 3 series or similar. 

Rental Bicycle Recommendation. Although our hire bikes come equipped with a saddle if you have a saddle you use and are happy with it is strongly recommended that you use it on tour. If you use SPD type shoes please bring your own matching pedals. We are happy to fit these for you. You may also like to bring bar ends if you use them at home.

Print Itinerary

Day 1: Arrival

Arriving at Chiang Rai international airport you will be met by a driver and transferred to our centrally located poolside hotel.


Unsealed road time - NA


Day 2: Leave Chiang Rai

We will leave Chiang Rai via a circuitous route of mixed surfaces with more than half of the time spent on the wonderful unsealed trails of the area. Tonight we stay in a roadside motel very typical of the places used by cyclists on long journeys here


Unsealed road time - more than 50%

Meals: B, L, D, S

Day 3: To Phayao.

Again a day where more than half of our time will be spent exploring the network of unsealed roads, track and trails en-route to the pleasant town of Phayao which sits on the shore of a large lake, an ideal spot to relax with a post-ride beer and watch the sunset.


Unsealed road time - more than 50%

Meals: B, L, D, S

Day 4: Phayao to Chiang Muan. 

Twenty minutes of main road lead us from Phayao lake to a splendid mixture of byways and gravel roads winding and undulating gently through ever hillier scenery. At around the halfway point, we join a well surfaced main road, light of traffic, that leads us through a winding section of gentle hills to the fitting crescendo of a lovely twisty winding seven-kilometre descent to lunch. The final ten kilometres of the day is a backcountry gravel road, winding through open hills and woodland to the sleepy, friendly little town of Chiang Muan. 


Unsealed road time - 50%

Meals: B, L, D, S

Day 5: Chiang Muan to Phrae. 

One of the largest towns of the tour, our destination for today is the provincial capital of Phrae. A well-sealed but quiet main road begins our day via two notable climbs (and of course descents) through beautiful mountain scenery. Before we reach our lunch stop though we will once more be navigating a cross country route on dusty trails and deserted bitumen as we wend our way towards the city. 


Unsealed road time - less than 50%

Meals: B, L, D, S

Day 6: Phrae to Na Ton Chan. 

Another long day lay ahead of us with a couple of climbs likely to leave even the most seasoned climbers huffing and puffing with wobbly legs.

Although the majority of the day is on sealed roads we begin with some fast fun and dusty gravel. After 40 such kilometres, we come to an unavoidable section of busy highway where we gain 150 metres in altitude over a gentle ten kilometres of climbing. Fortunately, the road here has a wide shoulder making the riding a lot more pleasant than may otherwise have been the case. 

Leaving the busiest road of the entire tour behind us the remainder of the day’s ride is through a beautiful rural landscape. Although we have several stretches of unsealed trails the majority of the ride is on quiet rural bitumen and concrete byways. It is here that we experience the most extreme Thai style gradients of the entire tour with one climb gaining 250 metres in just two kilometres, but what goes up must come down, and we finish with a beautiful 26 kilometres of predominantly downhill rural riding that leads us to the poolside guest house of Heinz, where we can relax with a well deserved chilled beer.

Cycling: 120kms. 

Unsealed road time - less than 50%

Meals: B, L, D, S

Day 7: Na Ton Chan to Sukhothai.  

We leave our poolside guesthouse on a quiet rural road, and within half a dozen kilometres we are on a fast sweeping red gravel road. 

We have now left the hills behind us and our journey ahead is across flat agricultural land with fifty per cent of the ride on gravel roads and the lion’s share of the rest being quiet byways and concrete lanes which lead us riverside riding and through a historic park. 

Our destination for the day is a luxury resort where we can cool off in the pool. 

Cycling: 90kms. 

Unsealed road time - less than 50%

Meals: B, L, D, S

Day 8: Sukhothai Old Town - Rest Day.

With  600 kilometres behind us, a rest day is now well deserved. Whilst far from the party hotspot your friends may rave about after a trip to Thailand’s beaches, Sukhothai Old Town does offer the little luxuries a gravel rider will by now perhaps be hoping for. Our resort offers a selection of relaxing massages at the spa, whilst the town has several simple tourist minded restaurants and cafes. For those keen to explore the major attraction there are the ancient ruins of this former capital of Siam, set amidst a tranquil park of shade trees. And of course, for those keen to relax in the time-honoured manner of the gravel rider, ice-cold beers by the hotel pool are always available.

Cycling: 0kms. 

Unsealed road time - NA

Meals: B

Day 9: Sukhothai Old Town to Khlong Khulung. 

Hopefully well-rested and refuelled following a day of relaxation you will by now be eager to stretch your legs. For well over 50% of our ride today we will be on unsealed tracks, mostly smooth and hard-packed but occasionally dusty with a few bumps to add to the fun. And once again even when the roads are sealed the surface is often concrete, where small motorcycles and tractors outnumber cars.  

We overnight in a small town on the banks of the Ping River, in a simple but comfortable little motel with AC bungalows. 

Cycling: 120kms. 

Unsealed road time - more than 50%

Meals: B, L, D, S

Day 10: Khlong Khulung to Nakhon Sawan. 100KMS.

Red gravel, strada bianca, concrete lanes, a few dusty dirt roads, and a little blacktop make up today’s variety of surfaces. More than half of our time today will be on unsealed roads following rivers and streams and crossing rice fields where birds wade, buffalo wallow, and mango, banana, coconut, and cashew all grow wild. We end the day’s ride following the Ping River along quiet lanes winding through friendly riverside communities. 

Cycling: 100kms. 

Unsealed road time - more than 50%

Meals: B, L, D, S

Day 11: Nakhon Sawan to In Buri.

Today is an even split between sealed byways and unsealed gravel roads, with the sealed roads as always being very light of traffic. We are now crossing vast areas of agricultural land where rice and sugar cane are the major arable crops, whilst small farms raise the huge cattle common to the region. 

As we approach our rustic accommodation for the night we pass through small freshwater fishing communities, where, surprised to encounter foreign cyclists, the friendly fishermen and their kin are quick with a cheery greeting. 

Cycling: 110kms. 

Unsealed road time - ~50%

Meals: B, L, D, S

Day 12: In Buri to Ayuthaya.

Our final day on the road is split quite equally between gravel and minor byways. The majority of the ride is blissfully bereft of traffic as we cross agricultural lands and follow canals, often on leafy lanes. Palaeontologists will no doubt be excited to see the large dinosaur-like lizards that often cross our paths and bathe in the sun next to the canals. 

The final stretch into Ayuthaya takes us on roads little more than bicycle lanes as we pass through interesting small communities leading to the beautiful ancient architecture of the erstwhile capital of the kingdom of Siam. 

Cycling: 110kms. 

Unsealed road time - more than 50%

Meals: B, L, D, S

Day 13: Tour Ends.

The tour ends today after breakfast. 

Ayuthaya is a pleasant little town with many ancient ruins spread amongst the trees and grass areas all within easy reach of our resort and for some may be worth a day or two of exploration.

For those wishing to spend a day or two here, we can arrange extra nights at our resort. 

For those wishing to head to Bangkok, we will provide a group transfer taking you to either of the city’s airports or a hotel in town. We can also assist with where to stay in Bangkok. 

For those staying on in Ayuthaya and making their own way to Bangkok later, there is a very convenient train station in Ayuthaya with regular trains that stop at Don Muang Airport en route to the central located Hua Lamphong, Bangkok’s main train station.

Don Muang airport home to such convenient and well-priced airlines such as Air Asia and Nok Air. These airlines offer quick, regular and well-priced flights to many great Asian destinations, including Thailand’s famed beach. 



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    Check trip dates and availablility below. Click the Book This Date button to go ahead and make a booking, alternatively you can make a no-obligation request for us to keep you informed about the status of a trip or changes to a trip by clicking the Register Interest button against a date.

    £ Pound Sterling Payment Option

    Our prices are all in US dollars but we can offer you the option of paying in GBP (£) based on the exchange rate at the time of booking. You can choose on the booking form, adjusted prices will be shown there.

    Dates Price Availability

    2020: 26 Dec - 07 Jan

    *Single Suppl.: $350.00


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    Register Interest

    2021: 10 Jan - 22 Jan

    *Single Suppl.: $290.00


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    Bicycle Hire

    If you wish to hire a bicycle we can arrange for the hire of good quality cycles from our in-country agent. Typically these bikes are mountain bikes, often Trek 3 series or similar. 
    Rental fee is US$200

    *Single Supplement.

    The prices quoted above are for a twin room share basis. If you are travelling alone you will be paired up with another lone traveler of the same gender to share with. Single room occupancy can be arranged, the single supplement rate shown is per person.

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