Daecheongho Lake is a man-made lake, stretching from Daejeon to Cheongju-si, Okcheon-gun, and Boeun-gun. Construction began in 1975 and finished in 1980, and the lake supplies water for various use to people in Daejeon and Cheongju.

The reservoir water spans an area of over 72.8 ㎢ with a perimeter of 80 kilometers, and the water kept in storage has a volume of 1.5 billion tons, making the reservoir the third largest lake in Korea. The area is famous for its beautiful driving course along a tree-lined road through the nearby mountain which has an altitude of 200 to 300 meters. Also, resident birds and migratory birds, such as white heron, can be seen during summer in the upper region of the lake.