Phra Sumen Fort is one of only two remaining fortifications from the Rattanakosin era out of an original 14.
The park was constructed on the former site of the Banglamphu police station.
The fort was constructed in 1783 during the reign of King Rama I to defend the city against potential naval invasions.
The site includes a large, historically significant Bodhi tree preserved as a central focal point.
The park's architecture intentionally contrasts the colonial-era influence of Phra Athit road with traditional Thai defensive structures.
Santi Chai Prakan Park is a riverside public space located on the Chao Phraya River, defined by the white-washed Phra Sumen Fort. The park commemorates the 6th cycle birthday anniversary of King Rama IX. It features an open-air pavilion, landscaped gardens, and a prominent Bodhi tree providing significant shade. The Phra Sumen Fort, built in 1783, is one of the last two remaining defensive structures from the original 14 forts protecting Bangkok's old city. The grounds host community activities, including traditional Thai dance rehearsals and fitness gatherings. Its location provides a direct vantage point for river traffic and sunset views across the water. The park serves as a green buffer between the dense Phra Athit road neighborhood and the river. It is maintained by the Bangkok Metropolitan Administration.
The riverfront promenade facing the Phra Sumen Fort at sunset.
Bring insect repellent, as the riverside location attracts mosquitoes, especially after dusk.
Visit during the early morning if you wish to observe local residents practicing Tai Chi or yoga.
There are limited seating options; consider bringing a light mat if you intend to stay for sunset.
Do not mistake the park for a private resort; it is a public space and facilities are shared with local residents.
Maintain a respectful volume as this is a local neighborhood space; littering is strictly prohibited.
