구 용산 수위관측소

Old Yongsan Water-Level Observation Station is a preserved historical-infrastructure site in Seoul's Yongsan area, dating from the early-to-mid 20th century when it functioned as one of Seoul's primary monitoring sites for Han River water levels — a critical infrastructure asset for flood management and broader hydrological tracking in the Seoul metropolitan area. The station is preserved as a registered modern cultural property, with the original equipment, observation building, and surrounding infrastructure intact. The site combines technical-and-historical significance — showing the evolution of Korean hydrological-monitoring infrastructure — with a quiet riverside setting that gives the visit a distinctly contemplative character. Best for travelers seriously interested in modern Korean infrastructure history, paired with broader Han River-area walking itineraries.