As asphalt softens under a relentless 39-degree Celsius (102 degrees Fahrenheit) heat wave in Seoul, forcing residents into air-conditioned subterranean malls, a small former coal-mining town perched high in the Taebaek Mountains is quietly offering something almost mythical in August: a breeze that actually feels cold. Welcome to Taebaek, Korea’s undisputed summer sanctuary. Sitting nearly 700 meters above sea level in Gangwon Province of western Korea, this mountain enclave operates on a seasonal logic that feels entirely detached from the sweltering peninsula below. While the capital swelters in oppressive tropical nights that rarely dip below 28 degrees, twilight in Taebaek brings an almost shocking drop in temperature. Here, daily lows routinely fall to a crisp 15 degrees Celsius (59 degrees Fahrenheit) — a climate so distinct that locals routinely swap T-shirts for light jackets after sundown, and open-window sleeping requires a light quilt rather than an electric fan. Yet even in Korea’s natural refrigerator, the realities of modern climate volatility are catching up with mu