π Updated 21 Jun 2026
Chaiyaphum is where people from Khon Kaen like to slip away during the rainy season, because June through August is exactly when the Siam tulips bloom. Pink fields stretch as far as you can see along the Phang Hoei ridge, a sight you only get to catch once a year. Add in waterfalls running at full strength in the wet months and it becomes a cross-province trip that more than earns its fuel cost. We've built this plan to start from Khon Kaen, drive yourself, and stay two nights in Chaiyaphum town.
Before you set off
Siam tulips bloom according to each year's rainfall, so before you go it's worth calling ahead to check the bloom percentage with Pa Hin Ngam National Park (find their page as Pa Hin Ngam National Park) or Sai Thong (089 282 3437). That way you won't be disappointed. The peak, when the fields are full of flowers, runs from late June to mid-August.
Trip overview and route
From Khon Kaen town to Chaiyaphum town is roughly 110β125 kilometres, taking Highway 12 then 201, an easy drive of about two hours on good roads the whole way. We'd suggest renting a car or driving your own, because the main sights like the Siam tulip fields and the waterfalls sit outside town where public transport simply doesn't reach.
- Day 1 β Leave Khon Kaen in the morning, reach Chaiyaphum by midday, visit Tat Ton Waterfall near town, then check in to your in-town hotel.
- Day 2 β The main day of the trip: hit the Siam tulip fields at Pa Hin Ngam and Sai Thong, and catch the cliff-edge viewpoints.
- Day 3 β Stop by Mo Hin Khao, Thailand's Stonehenge, then drive back to Khon Kaen.
Book the activities in your Khon Kaen trip ahead
Booking online ahead on Klook or GetYourGuide is usually cheaper than the gate and skips the queue. Pick only the experiences you actually want β prices and availability are shown live on each site.
Day 1 β Khon Kaen to Chaiyaphum + Tat Ton Waterfall
Hit the road + a waterfall near town
On rainy-season waterfalls
In the wet season the rocks around the falls get very slippery, so wear shoes with good grip, don't walk on mossy stones, and if heavy rain makes the water rise fast, get out of the water straight away. Safety comes before a good photo.
Day 2 β Siam tulip fields at Pa Hin Ngam + Sai Thong
This is the main day of the trip. The Siam tulip fields lie out toward Thep Sathit and Nong Bua Rawe districts, a fair distance from Chaiyaphum town, about 1.5β2 hours of driving. Set off early to beat the midday heat and catch the best light. The Siam tulips come in pink (bua sawan) and white (bua thep apsorn), and bloom across the fields from late June to mid-August.
Taking on two national parks of Siam tulips
Pa Hin Ngam vs Sai Thong, which to pick
If you're short on time, go with Pa Hin Ngam, since it bundles the Siam tulip fields, the Lan Hin Ngam rock plain, and the Sut Phaendin viewpoint into one spot, with easier walking. Sai Thong has wider fields and the standout cliff-edge view from Pha Ham Hot, but involves more walking. If you commit a full day, you can do both, as in this plan.
Day 3 β Mo Hin Khao, then back to Khon Kaen
On the last day, stop by Mo Hin Khao in Phu Laen Kha National Park, a cluster of white sandstone pillars standing across a wide plain that earned it the nickname Thailand's Stonehenge. It's out toward Mueang Chaiyaphum district, not too far from town, so you can see it in the morning and drive back to Khon Kaen in the afternoon, timed just right.
Thailand's Stonehenge + the drive home
Rough budget per person
This budget assumes 2β4 people driving together and splitting costs, and doesn't include car rental. The figures are estimates to make planning easier, and real prices depend on the season and the hotel you pick.
- Entry to 3 parks β around 120β150 THB per person total (Tat Ton + Pa Hin Ngam/Sai Thong + Phu Laen Kha)
- Hotel, 2 nights β from 500β900 THB a night, cheaper once split
- Food β 80β200 THB per meal, 3 meals a day
- Fuel + tolls β round trip Khon KaenβChaiyaphum plus driving within the province, around 800β1,200 THB per car
When to go
The heart of this trip is the Siam tulips, which only bloom in the rainy season. Miss this window and you'll see nothing but green meadows with no flowers, so timing matters a lot.
- Late Juneβmid-August β the peak, when the fields are at their fullest and prettiest, but also the busiest and rainiest
- Early June β flowers starting to open, still few crowds, a relaxed feel
- September β late season, flowers fading, though Sai Thong still has some to see through mid-month
- Outside the rainy season β no Siam tulips, but Tat Ton Waterfall and Mo Hin Khao are open year-round
Straight from us
The Siam tulip fields really are lovely, but don't expect a dense carpet of pink like in the promo shots every single time, because how thick the blooms are depends on that year's rainfall. Some years there are fewer flowers, and in spots the white blooms mix in with the pink. Calling ahead to check the bloom percentage before you set off helps you avoid disappointment, and be ready for the chance of rain while you're out walking the fields.
Want to add another day in Khon Kaen
See the Khon Kaen 2-day, 1-night plan β