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Tropical Gardens

Somdet Phra Si Nakharin Park

สวนสมเด็จพระศรีนครินทร์

Ayutthaya Reviewed Jul 2026
Entry Free

Somdet Phra Si Nakharin Park occupies 152 rai in the northwestern sector of Ayutthaya Historical Park, opened on 19 July 1985 with Princess Galyani Vadhana presiding over the ceremony in honour of her mother, Princess Srinagarindra the Queen Mother — the same royal figure commemorated by a separate, unrelated park of a similar name in Chachoengsao (more on that below).

What makes this park different from a standard city green space is how it was built: rather than levelling the site, planners laid the paths and lawns along Ayutthaya’s original canals and roads, keeping the historical footprint intact. Thai-style pavilions and remnants of old stupas sit worked into the landscaping among the shade trees, so the park reads as an extension of the ruins around it rather than a modern insertion. It’s free, with no gate and no set closing time enforced.

Locals use it exactly as you’d expect from a genuine neighbourhood park: joggers on the paths, tai chi groups gathering before the morning heat, and families picnicking under the shade trees on weekends. It’s a working local park first and a historical curiosity second — worth a walk if you’re staying nearby or want a break between temple visits, not a destination to plan a special trip around.

There’s no ticket booth, no set closing time enforced, and no facilities beyond benches and shade — bring your own water if you’re stopping for more than a short walk. The flat paths and light traffic make it one of the easier stretches of Ayutthaya to cover on a rented bicycle, and several of the historical park’s better-known ruins are within a few minutes’ ride, so it works well as a midpoint rather than a start or end to a day of sightseeing.

Insider Tip: Go before 8 AM if you want to see the tai chi groups — by mid-morning the park empties out to joggers and the odd dog-walker, and by afternoon the heat clears it almost entirely until evening.

Watch out: Don’t confuse this with the Chachoengsao park of a nearly identical name — Suan Somdet Phra Srinagarindra Park in Chachoengsao is a different city, a different layout (built around a lake), and a different visit. Both honour the same Queen Mother, and Thai transliteration makes the names look near-identical in English.

Key Facts:
  • Size: 152 rai (~24 hectares)
  • Opened: 19 July 1985, by Princess Galyani Vadhana
  • Location: Northwest sector of Ayutthaya Historical Park, Pratu Chai subdistrict
  • Fee: Free, no gate
  • Layout: Built along original Ayutthaya-era canals and roads rather than reshaping the land

If you’re walking the historical park’s ruins on foot or by bicycle, this is a natural rest stop with shade and a bench rather than a monument to tick off — the appeal is the quiet and the local morning routine, not a set of sights. It sits close to Wat Mahathat and Si Suriyothai Park, a smaller riverside green space on the opposite side of the historical zone.

Location & Directions

Phra Nakhon Si Ayutthaya, Phra Nakhon Si Ayutthaya

Ayutthaya, Thailand

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สวนสมเด็จพระศรีนครินทร์

Within Walking Distance

Frequently Asked Questions

How big is Somdet Phra Si Nakharin Park and when did it open?
It covers 152 rai (about 24 hectares) in the northwestern part of Ayutthaya Historical Park, and opened on 19 July 1985 with Princess Galyani Vadhana presiding over the ceremony in honour of her mother, Princess Srinagarindra the Queen Mother.
Is this the same as the Princess Mother park in Chachoengsao?
No — they're two separate memorial parks. This one sits inside Ayutthaya's UNESCO-listed historical zone and follows the old Ayutthaya-period canals and roads. The Chachoengsao park, Suan Somdet Phra Srinagarindra, is a city-centre park built around a lake in front of the provincial hall, roughly 90 rai and unrelated in layout.
Is there an entrance fee?
No, it's a free public park with no gate or ticket.
What can I actually see here?
Thai-style pavilions, shaded lawns, remnants of ancient stupas worked into the landscaping, and the old canal and road lines the park was deliberately built around rather than levelled. It's a green break between temple visits, not a historical monument in its own right.
What's the best time to visit?
Early morning, when locals do tai chi and exercise routines before the heat sets in — it's also the coolest time to walk the park on a day that includes the nearby ruins.
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