Ongdalsaem Children's Park sits in the residential streets of Mangwon in Seoul. It is a small neighborhood park with a toddler slide, a sand play area, benches, and a pavilion, and it offers a place to rest on the way to Mangwon Market. The park has finished remodeling, and a restroom is right next to it. The park is kept clean, and its size is on the small side.