The observatory is located near a series of coastal tunnels excavated by the Japanese military during the 1940s to store ammunition and harbor small vessels.
The surrounding Gadeokdo island is the largest island within the administrative boundaries of Busan.
The site provides a direct vantage point of the complex rock formations created by long-term wave erosion along the southern cliffside.
The area is strategically positioned near the construction zone of the future Gadeok New Airport.
Daehang Observatory is situated on the southern coast of Gadeokdo Island, overlooking the coastal rock formations and the open sea of the Namhae. The site serves as a primary viewing point for the Gadeokdo Lighthouse and the surrounding maritime topography. A prominent feature of the area is the nearby wartime tunnel, known as the Daehang Cave, which dates back to the Japanese colonial period. The observatory functions as a key stop on the Gadeokdo coastal trail network. Visitors can observe the distinct geological strata of the island's coastline from the elevated deck. The site is integrated into the larger Gadeokdo Island tourism development project, emphasizing both natural landscapes and historical remnants.
The main wooden deck railing facing the open sea, which provides a clear frame for the coastal cliffs and the lighthouse in the distance.
Bring a pair of binoculars to get a clearer view of the distant lighthouse and coastal rock formations.
Wear footwear suitable for walking on uneven wooden boardwalks and surrounding rocky terrain.
Combine this visit with the adjacent historical cave exploration to see the most significant local landmarks.
Do not attempt to walk along the steep, unpaved coastal cliffs outside of the designated wooden observation decks.