Wat Phra Ngam Archaeological Site is an important Dvaravati-period archaeological site in the early history of Thailand. It is believed to have once been a large Buddhist religious complex built around the 7th–9th centuries CE (approximately 1,300–1,500 years ago), during the flourishing era of the Dvaravati civilization, which was influenced by Theravada Buddhism from the Indian subcontinent.The present landscape appears as a large earthen mound, but in fact it is the remains of an ancient stupa that collapsed over time. The original structure had a square plan, built with large bricks characteristic of Dvaravati architecture, and was constructed with layered earth to support the massive stupa above. Today, only the base and traces of the original structure remain.Archaeological excavations by the Fine Arts Department have uncovered significant artifacts such as stone Dharmachakras (Wheel of Dharma), a kneeling deer sculpture, pottery shards, ancient bricks, architectural fragments, and inscriptions. These findings confirm that the site was not a small community temple but a major religious center of regional importance.The Dharmachakra and kneeling deer are highly symbolic in Buddhism. The Dharmachakra represents the Buddha’s first sermon, while the deer refers to Sarnath (Isipatana Deer Park), where the first teaching took place. This suggests that the site may have been closely associated with important Buddhist rituals or symbolic religious functions during the Dvaravati period.In the context of ancient Nakhon Pathom, a major urban and religious center of the Dvaravati civilization, Wat Phra Ngam mound likely functioned as a secondary religious site alongside Phra Pathom Chedi, serving ritual purposes and forming part of a broader urban religious network.Today, the site is located within Wat Phra Ngam and is preserved as an archaeological area. It is open for educational visits with interpretive signage. Although only the earthen mound remains, it still clearly reflects its historical importance. The atmosphere remains quiet and sacred as it is situated within a temple compound.Overall, Wat Phra Ngam Archaeological Site is a key piece of evidence reflecting the prosperity of the Dvaravati civilization in Nakhon Pathom, demonstrating its religious, architectural, and urban significance. Even as a surviving mound, it remains an important national heritage site for understanding early urban development in the region.