Sai Thong Beach
A scenic riverside beach on the Mekong, offering a peaceful natural escape in Nong Khai province.
Tours that include Sai Thong Beach
Skip-the-line entry, guided visits and day-tour combos around Sai Thong Beach.
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Sai Thong Beach is a natural riverside attraction situated along the Mekong River in the Sri Chiang Mai district of Nong Khai province, not far from Udon Thani. The beach draws visitors looking for a relaxed, unhurried experience away from the busier tourist circuits of northeastern Thailand, offering sandy stretches alongside the river with open views across to Laos on the opposite bank.
The atmosphere here is calm and informal, making it well suited to families, day-trippers, and travellers seeking a quieter connection with the Mekong landscape. The setting is largely natural, and the appeal lies in the scenery and the slow pace rather than organised facilities or commercial attractions. It functions as both a leisure spot and a local gathering place, reflecting the laid-back character of riverside life in this part of Isan.
Practically speaking, Sai Thong Beach is best visited during the cool season between November and February, when temperatures are more comfortable and the river levels are lower, revealing broader sandy areas along the bank. As no website or confirmed opening hours are available, visitors planning a trip are advised to check locally before travelling. The beach is best reached by private vehicle or motorbike, as public transport options in the area are limited. Light, breathable clothing is recommended year-round given the region's warm climate.
Written by Mac Kiley · Updated Sep 2026 · How we check places
Experience hints
Pair your visit. After Sai Thong Beach, round out your day in Udon Thani with contrasting stops nearby.
WJJ6+WFQ บ้าน หาดทราย อำเภอ ศรีเชียงใหม่ หนองคาย 43130, Thailand
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Sai Thong Beach: Frequently Asked Questions
Is Sai Thong Beach worth visiting?
Sai Thong Beach holds a 4.4★ rating from 64 Google reviews — a strong rating for activities & tours in Udon Thani.
When is the best time to visit Sai Thong Beach?
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 Sai Thong Beach located?
Sai Thong Beach is at WJJ6+WFQ บ้าน หาดทราย อำเภอ ศรีเชียงใหม่ หนองคาย 43130, Thailand, in Udon Thani. Getting around Udon Thani: Songthaews on numbered city routes (฿10–15); Grab and metered taxis in the city.
Also popular in Udon Thani

Central Udon
Air-conditioned refuge in the middle of Udon Thani, with a supermarket, a cinema and a few hours of comfort.

Wat Pho Chai Phra Aram Luang
A working Nong Khai temple built around a gold Buddha that locals genuinely come to pray to, not photograph.

Tha Sadet Market
A covered riverside strip of stalls where the Mekong view does as much work as the shopping.

Daeng Namnuang Nong Khai
Come for the naem nuang, the DIY pork-and-herb rolls that built this riverside institution's name.
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