KAO.PIAK.SEN
Tucked into a quiet soi in the Mak Khaeng area of Udon Thani, this well-regarded local eatery has built a loyal following around kao piak sen — a comforting Lao-style rice noodle soup that holds deep roots in the food culture of Thailand's northeastern Isan region. The dish typically features soft, chewy hand-pulled rice noodles served in a rich, slow-cooked broth, and it is the kind of no-fuss, deeply satisfying meal that draws both locals and curious travellers back repeatedly. The strong rating across a large number of reviews reflects consistent quality and a genuine neighbourhood dining experience rather than a tourist-facing operation. The setting is casual and unpretentious, in keeping with the style of a traditional Thai noodle shop, where the focus is firmly on the food rather than the decor. Portions are priced at a mid-range level by local standards, making it an accessible option for most budgets. As this is primarily a breakfast and lunch destination, opening hours run from 05:30 to 18:00 every day of the week. Visitors should note that arriving earlier in the day is advisable, as popular dishes can sell out before closing time. The restaurant maintains a Facebook page for those who want to check for updates before visiting.
Taste more of Udon Thani
Street-food tours, market visits, and Thai cooking classes near KAO.PIAK.SEN — a guided way to eat like a local.
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Experience hints
Pair your visit. After KAO.PIAK.SEN, round out your day in Udon Thani with contrasting stops nearby.
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KAO.PIAK.SEN: Frequently Asked Questions
Is KAO.PIAK.SEN worth visiting?
KAO.PIAK.SEN holds a 4.5★ rating from 2,134 Google reviews, placing it among the highest-rated restaurants & food in Udon Thani.
What are the opening hours of KAO.PIAK.SEN?
KAO.PIAK.SEN is typically open 05:30-18:00 — see the full day-by-day schedule in the location info on this page. Hours can change on Thai public holidays, so check ahead for holiday visits.
How expensive is KAO.PIAK.SEN?
KAO.PIAK.SEN is moderately priced (฿฿) relative to other restaurants & food in Udon Thani.
When is the best time to visit KAO.PIAK.SEN?
The best months to visit Udon Thani are December – February (Red Lotus Sea blooms Dec–Feb), with the most reliable weather. Crowds peak in December – January (lotus season weekends) — going early in the day usually means fewer people. Months to think twice about: March – May (peak heat).
Where is KAO.PIAK.SEN located?
KAO.PIAK.SEN is at 20 20 Srisuk Soi 4, Tambon Mak Khaeng, Amphoe Mueang Udon Thani, Chang Wat Udon Thani 41000, Thailand, in Udon Thani. Getting around Udon Thani: Songthaews on numbered city routes (฿10–15); Grab and metered taxis in the city.
Location Info
20 20 Srisuk Soi 4, Tambon Mak Khaeng, Amphoe Mueang Udon Thani, Chang Wat Udon Thani 41000, Thailand+66 81 739 2247www.facebook.com/KAO.PIAK.SENVisitor Information
Best time to visit
December – February (Red Lotus Sea blooms Dec–Feb)
Avoid: March – May (peak heat)
Rainy season
May – October
Avg. temperature
19°C – 35°C(66°F – 95°F)
Crowds
Peak: December – January (lotus season weekends)
Getting there
Udon Thani Airport (UTH) has frequent Bangkok flights (~65 min). The overnight sleeper train from Bangkok to Nong Khai stops here (~9 hrs); buses from Mo Chit take 7–8 hours. Vientiane (Laos) is 80 km via the Friendship Bridge.
Getting around
- •Songthaews on numbered city routes (฿10–15)
- •Grab and metered taxis in the city
- •Minivans and trains to Nong Khai (55 km, ~1 hr)
- •Rental car for the Red Lotus Sea and Ban Chiang (both ~50 km out)
Where to stay near KAO.PIAK.SEN
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Tips for Visiting Restaurants & Food
Learn the Spice Scale
Say 'mai pet' for no spice, 'pet nit noi' for a little spice, or 'pet mak' if you want it Thai-hot. Most cooks will default to a toned-down version for foreigners unless you specify otherwise.
Follow the Crowds
The busiest street stalls are almost always the best — high turnover means fresh ingredients and a recipe that locals vouch for. An empty restaurant at dinner time is a red flag.
Ice Is Safe
Factory-made tube or cylinder ice (used in virtually all restaurants and stalls) is made from purified water and is safe to consume. You don't need to skip the iced Thai tea.
Nearby Places

Maeya
A popular mid-range eatery in Udon Thani open daily, serving locals and visitors alike.

Madam Phatehh
A budget-friendly breakfast and lunch spot in Udon Thani, open daily until early afternoon.

Nabe Nae
A well-regarded mid-range eatery in Udon Thani, open daily for lunch and dinner.

The Good Corner
A dependable all-day dining spot in Udon Thani, open seven days a week from morning to night.
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Where to stay near KAO.PIAK.SEN
Find hotels in Udon Thani on the booking sites travellers trust most.
- Compare prices across sites
- Filter for free cancellation
- Secure checkout on the partner site
Compare rates on Booking.com
Largest selection
Compare rates on Agoda
Asia-focused selection
Compare rates on Hotels.com
Member prices
We may earn a commission from bookings made through these links — at no extra cost to you. Learn more.
Location Info
Visitor Information
Best time to visit
December – February (Red Lotus Sea blooms Dec–Feb)
Avoid: March – May (peak heat)
Rainy season
May – October
Avg. temperature
19°C – 35°C(66°F – 95°F)
Crowds
Peak: December – January (lotus season weekends)
Getting there
Udon Thani Airport (UTH) has frequent Bangkok flights (~65 min). The overnight sleeper train from Bangkok to Nong Khai stops here (~9 hrs); buses from Mo Chit take 7–8 hours. Vientiane (Laos) is 80 km via the Friendship Bridge.
Getting around
- •Songthaews on numbered city routes (฿10–15)
- •Grab and metered taxis in the city
- •Minivans and trains to Nong Khai (55 km, ~1 hr)
- •Rental car for the Red Lotus Sea and Ban Chiang (both ~50 km out)