A Baekje-period fortress, designated Chungcheongnam-do Monument No. 81, whose walls run about 965 m along the ridges and valleys of Usan Mountain. The site includes a stone standing Buddha triad (Treasure No. 197) and a three-story stone pagoda.
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칠갑타워
A newer landmark (opened around early 2026) featuring a 102-m skywalk and observation deck over a lake, said to have drawn 100,000 visitors within its first four months.
고운식물원
A botanical garden with around 10,000 plant species, designed to follow the natural contours of the mountain rather than artificial landscaping.
칠갑산 장승공원
A theme park opened in 1999 to preserve Korean totem pole (jangseung) culture, with two 11.5-m-tall main poles, Chilgapsan Daejanggun and Chilgapsan Yeojanggun, and jangseung from across the country.
장곡사
A thousand-year-old temple on the slopes of Chilgapsan, home to three National Treasures of Korea. Known for a 5.7-km royal cherry blossom (wangbeot) tree tunnel leading to the temple, free to visit.
칠갑산 도립공원
The mountain that gives the county its name and is considered to embody the "seven origins of creation." A popular hiking route runs from Hantigogae pass down to Janggoksa Temple, taking about 3 hours. Trailheads are also accessible from Daechi Tunnel, Cheonjangho, Dorimsaji, and Kkachine Recreation Area.
칠갑산 천문대
An astronomy science center open to the public, with a main observatory housing an APO 304 mm refracting telescope described as Korea's largest, a smaller dome observatory, a screening room, and a 12 m geodesic projection dome.