Located north of JR Takaida Station, this park preserves and displays the Takaida Yokoana Group, a national historic site. Takaida Yokoana is an ancient tomb built by excavating caves into tuff bedrock. It is believed that there are over 200 of them, constructed between the mid-6th and early 7th centuries. During the Taisho period, carved murals of people, birds, and horses were discovered on the cave walls, bringing the area into prominence. In recent years, during a park development survey that began in 1989, the Takaidayama Kofun was discovered, unearthing an ancient iron known as a "hinoshi," as well as mirrors, helmets, and armor. This tumulus is estimated to have been built around the end of the 5th century. Walking along the park's promenade, you can see the Yokoana Group, the Takaidayama Kofun with its transparent roof, and replicas of excavated artifacts. The park also includes the Municipal History Museum and a rose garden.