VisitKorea is a reliable travel guide provided by the Korea Tourism Organization, providing information for tourists planning a trip to Korea or currently traveling in Korea.

This site is operated by the Seoul Tourism Foundation and provides services such as equipment rentals and hiking tourism information to hikers seeking mountains in Seoul.

This is a blog written by a South Dakota resident who has a special affection for Korean mountains.
The author of this blog has 5-10 years of hiking experience and seems to have more hiking experience than a Korean hiking enthusiast and a greater affection for Korean mountains than a Korean.
The information on this site is extensive and specific, and it is a record of hiking in Korea from a foreigner's perspective, so it may be more helpful.

This is a Korean hiking club website. Korean hiking enthusiasts reserve hiking buses and seats on this kind of site, and travel to mountains across the country for day hikes every week.

Just to show you how it works !!