Prasat Reamker is located on the north-western slope of the Rahal in the boundary of the current village of Koh Ker about 80m south of Prasat Dang Tong. This rectangular temple was built of laterite stone, brick and sandstone facing to the east with and a small brick library facing to the west. Based on architectural style, this temple was constructed in the same period with Prasat Dang Tong, meaning the temple built prior to Jayavarman IV’s relocation of his capital city to this Koh Ker site. This existing temple remains laterite wall and a pedestal. The temple is surrounded by a remaining laterite enclosure. According to local people, a Shiva statue was believed to be installed in this temple.