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Ansan Hiking Guide 안산
Ansan (안산) is a 297 m mountain in Seodaemun-gu, Seoul, South Korea. Best known for wildflowers, forest trails, autumn foliage.
🚇 Getting there by subway
- Muakjae Station (무악재역) — about 0.7 km to the summit (straight line)
- Dongnimmun Station (독립문역) — about 1.1 km to the summit (straight line)
- Hongje Station (홍제역) — about 1.3 km to the summit (straight line)
- Seodaemun Station (서대문역) — about 2.2 km to the summit (straight line)
Distances are straight-line from the station to the summit; the walk to the trailhead is longer. Search the station name plus the mountain name in Naver Map or KakaoMap for walking directions — they work much better than Google Maps in Korea.
🥾 Ansan hiking trails
There is no official trail description for Ansan. Search “안산 등산로” in Naver Map or KakaoMap to find the trailhead. For a first visit, plan about 1 h 58 min for the round trip.
🗓️ Best time to visit Ansan
| What | Usual peak (estimate) |
|---|---|
| 🍁 Autumn foliage | late 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.
🌅 Sunrise & sunset by month
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sunrise | 07:46 | 07:23 | 06:45 | 05:59 | 05:23 | 05:10 | 05:22 | 05:47 | 06:13 | 06:39 | 07:11 | 07:40 |
| Sunset | 17:36 | 18:10 | 18:39 | 19:06 | 19:33 | 19:54 | 19:54 | 19:27 | 18:42 | 17:57 | 17:23 | 17:15 |
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
🙇 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
Data: Korea Forest Service (data.go.kr) · Locations: © OpenStreetMap contributors