Ku Mahathat (Prang Koo Ban Khwao)

Ku Mahathat, also known as Prang Koo Ban Khwao, is a Khmer-era archaeological site in Ban Khwao, Tambon Khwao, Mueang Maha Sarakham District, Maha Sarakham Province, northeastern Thailand. The site features a single laterite prang with Bayon-style influences dating to the 13th century, originally a Hindu shrine later adapted for Theravada Buddhism. It is notable as one of the few well-preserved Khmer ruins in Maha Sarakham and is registered as an ancient monument.

Visitors can expect a small, open-air archaeological compound centered on a single laterite prang set on a laterite base, surrounded by a grassy area and traces of a former moat and boundary wall. The prang is plain with minimal ornamentation, with a single eastern entrance. The setting is rural and quiet within Ban Khwao village, with informational signage explaining the site's history. Visitors can walk around the prang, view the structure up close, and take photographs.