Boryeong Spring Cool Tunnel & Rest Area (보령 냉풍욕장)
Boryeong Spring Cool Tunnel & Rest Area (보령 냉풍욕장) – Homepage www.brcn.go.kr Boryeong Spring Cool Tunnel & Rest Area is located on the slopes of Seongjusan Mountain in Boryeong-si, originally an abandoned mine that extended underground for hundreds of meters. Even in the summer when temperatures soar above 30°C, the cool breeze here maintains around…