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Unaksan Hiking Guide 운악산

Unaksan (운악산) is a 935 m mountain in Gapyeong-gun, Gyeonggi-do, South Korea. It is one of Korea’s 100 Famous Mountains chosen by the Korea Forest Service. Best known for valleys and waterfalls, autumn foliage, rocky ridges.

Unaksan mountain, Korea — Photo: Korea Tourism Organization · KOGL Type 3 (attribution, no modification)

935 mHeight

HardDifficulty (approx.)

3 h 30 minShortest trail

−5.6°CSummit vs. base

🥾 Unaksan hiking trails

Unakgyo (운악교) → Muu Falls (무우폭포) → Nunsseopbawi (눈썹바위) → 728bong (728봉) → Summit → Gungyeseongteo (궁예성터) → Cheonghaksa (청학사) → Unjusa (운주사) 3 h 30 min
Unjusa (운주사) → Sinseondae (신선대) → Aegibawi (애기바위) → Summit → Jeol Pass (절고개) → Hyeondeungsa (현등사) → Seokgeori (석거리) 4 h 20 min

Times are from the Korea Forest Service and include short breaks. If you are new to hiking, plan for 1.3–1.5× longer. Korean names are in brackets so you can match them to trail signs.

🗓️ Best time to visit Unaksan

What	Usual peak (estimate)
🍁 Autumn foliage	mid October – early November

Estimated from Korea Meteorological Administration long-term averages, adjusted for the mountain’s latitude and height. Actual dates can shift 1–2 weeks each year.

🪨 Trail surface

Share of surveyed trail points by surface type. Lots of stairs or rock? Bring hiking poles and gloves.

dirt path44%

rock ridge17%

paved16%

stairs14%

rocky scree4%

rope sections3%

ridge scramble2%

Surface data: Korea Hiking & Trekking Support Center (data.go.kr)

🌅 Sunrise & sunset by month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sunrise	07:45	07:22	06:44	05:57	05:21	05:08	05:20	05:45	06:11	06:38	07:11	07:39
Sunset	17:34	18:08	18:37	19:05	19:32	19:54	19:53	19:26	18:41	17:55	17:21	17:13

Around the 15th of each month, Korea Standard Time. Be off the mountain at least an hour before sunset.

🗺️ Maps

Naver Map · KakaoMap · Google Maps

⛰️ Other mountains nearby

Yangju-si, Gyeonggi-do · 675 mGamaksan 감악산

Hanam-si, Gyeonggi-do · 658 mGeomdansan 검단산

Gyeonggi-do · 582 mGwanggyosan 광교산

Gapyeong-gun, Gyeonggi-do · 1,252 mMyeongjisan 명지산

Dongducheon-si, Gyeonggi-do · 588 mSoyosan 소요산

Namyangju-si, Gyeonggi-do · 638 mYebongsan 예봉산

🙇 Hiking etiquette in Korea

Greet other hikers with a short “annyeonghaseyo” — it’s common on the trail.
Keep to the marked trail; many areas are closed for nature protection (fines apply in national parks).
Cooking, smoking and drinking are banned in national parks. Take your trash home.
Read more: Hiking etiquette in Korea

🇰🇷 한국어로 보기 (운악산 등산코스)

Data: Korea Forest Service (data.go.kr) · 100 Famous Mountains: Korea Forest Service · Locations: © OpenStreetMap contributors