Hiking Near Seoul, Sorted by Difficulty

Last verified: 2026-09-22. Rules and prices change — always confirm on the official site before you travel.

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“K-hiking” covers an enormous range of actual difficulty, and most coverage of the trend doesn’t sort it out. A 30-minute walk to N Seoul Tower and a two-day ridge traverse across Jirisan both get called “hiking in Korea,” and a visitor who shows up for the first expecting the second — or the other way around — has a bad afternoon.

This page sorts 17 hikes into three tiers by what they genuinely demand: time, elevation gain, and footwear. Within each tier, the mountains are ordered easiest to hardest.

Row color goes from pale to deep red as the tier climbs — the same red marks the rock & cable column, where a triangle means part of the standard route runs over rope-, chain- or step-assisted rock rather than open dirt trail: one for exposed stone steps, two for fixed ropes or chains on granite, three for sustained cable-assisted rock face. That’s a different axis from elevation — Dobongsan (740 m) rates rockier than Bukhansan (836 m), and three of the four Tier 3 regional mountains rate a flat “—” despite being the tallest hikes on this page, because nothing in their standard routes calls for rope-assisted rock.

Thirteen of these 17 are inside or right against Seoul itself; the map below places them relative to each other and the Han River. The other four — Songnisan, Seoraksan, Hallasan and Jirisan — are full regional trips of their own, well outside the city, each covered on its own page linked below.

Tier 1: an afternoon, sneakers are fine

Nothing here requires trail shoes, a walking pole, or more than a couple of hours. All seven are closer to a scenic city walk than a mountain climb — several of them are, literally, city parks with a summit.

Naksan (124 m). The lowest of Seoul’s traditional “four inner mountains” (내사산) — Naksan, Namsan, Inwangsan and Bugaksan, the four hills the old walled city was built around. From Hyehwa Station (Line 4), Exit 2, it’s about a 10-minute walk to the Naksan section of the restored Hanyangdoseong city wall; the full wall-top path from Hyehwamun to Heunginjimun (Dongdaemun) is 2.1 km and takes roughly an hour at an easy pace, with a gentle slope the whole way. The route passes directly through Ihwa Mural Village, a hillside neighborhood of street art and stepped alleys that’s a bigger draw for most visitors than the summit itself.

Namsan (262 m). From Myeongdong Station (Line 4), Exit 3, the stepped path to the summit takes 30–40 minutes each way — call it 1–2 hours round trip if you stop to look around. The reward is N Seoul Tower itself; a cable car also runs from near the same exit if you’d rather skip the stairs entirely. Namsan is less a hike than a landmark with a hill attached, and the numbers show it: Seoul’s own 2025 tourism data counts an average of 57,370 visitors a day, and 55.7% of them foreign — the highest foreign share of any hike on this page, by a wide margin. Go before noon or near sunset to get ahead of the crowds, and expect the heaviest traffic during cherry blossom season (early April) and peak autumn color (the last week of October).

Achasan (287 m). From Achasan Station (Line 5), Exit 2, it’s about a 10-minute walk to the trailhead and roughly 1.5 hours round trip to the main viewpoint — some sources log the walk up alone at closer to 30 minutes. The payoff is a sunset view over the Han River and the Seoul skyline that’s become genuinely popular on social media; expect the viewpoint to fill up around golden hour, especially on weekends. Achasan doesn’t have Namsan’s raw numbers, but it has the fastest growth of any hike on this page: foreign visitors were up 11.8% year over year in the same 2025 dataset, the highest increase of the four Seoul mountains Seoul tracks.

Umyeonsan (about 293 m). Named for its shape — “cow-lying-down mountain” — Umyeonsan sits entirely inside Seocho-gu, gentle-sloped and fitted out with exercise equipment and water stations most of the way up. From Nambu Bus Terminal Station (Line 3), Exit 5, the standard loop to the summit marker at Somangtap (“wish tower”) and back runs about an hour; one common route continues past the summit to exit near the Seoul Arts Center instead of backtracking. The observation deck at Somangtap is locally rated among Seoul’s better skyline viewpoints, with none of Namsan’s crowds.

Daemosan (294 m). Originally called Halmi-san (“old woman mountain”) for its shape, renamed after King Taejong’s tomb, Heonneung, was built nearby. From Suseo Station (Lines 3 and SRT), the trailhead is essentially at the station exit; the summit route runs 1.5–2 hours round trip on a well-graded path. Daemosan also has Jarak-gil, a low-incline trail built in 2021 specifically for wheelchair users, the elderly and pregnant visitors — one of the few hikes on this page with a genuine accessible option to the top.

Guryongsan (306 m). Ridge-connected to Daemosan by a marked trail across the saddle between them, so the two are commonly hiked as one loop. Its official summit sits in Gangnam-gu’s Gaepo-dong; the second peak, Guksubong, has an observation platform looking out over the Han River both upstream and down. From Daemosan Ipgu Station (Line Su-i-Bundang), Exit 1, the Daemosan–Guryongsan traverse to a Gaepo-dong exit runs about 1.5 hours end to end — call it 2 hours if you’re doing Guryongsan as an add-on to a Daemosan hike rather than a through-route.

Bugaksan (342 m). The highest of Seoul’s four inner mountains, directly behind Gyeongbokgung Palace, and the only one on this page with a real security history: until 2019, every hiker had to show ID at the gate, because the summit trail runs along a section of the Hanyangdoseong wall that overlooks the Blue House. That requirement is gone, but the restricted hours it came with haven’t fully relaxed — entry is limited to 10:00–15:00, with the trail closing at 17:00 and the whole route shut on Mondays. From the Changuimun gate entrance, it’s a steep, sustained climb — almost entirely stone and wooden steps — that takes 1–1.5 hours round trip; short in time but the steepest incline of any Tier 1 hike here, worth knowing before you commit to it as a “casual walk.” The payoff is a wall-top view straight down onto Gyeongbokgung with N Seoul Tower visible across the valley.

Tier 2: real hiking, real shoes

All four of these are genuine hikes — real elevation gain, real trail surface, and stretches where sneakers stop being a good idea. Budget half a day.

Samseongsan (481 m). The quieter neighbor of Gwanaksan, sharing the same granite ridge system but usually approached separately, via Sammaksa (삼막사), a temple with a founding legend dating to the Silla period. The standard route — Gwanaksan Park entrance to Sammaksa to the summit and back — covers about 7 km and takes roughly 4 hours, mixing valley trail, rock ridge and temple grounds rather than a single steady climb. Buses 5516 and 5511 from Gwanaksan Station (Sillim Line), Exit 1 run to the trailhead area. Samseongsan connects directly to Gwanaksan by ridge trail for hikers who want to combine both in one long day, but the two are entirely separate hikes if you don’t.

Gwanaksan (632 m). Difficulty depends heavily on which side you climb. From Gwanaksan Station (Sillim Line), Exit 1 — where the mountain’s free gear rental center is also located — the route toward the summit is a moderate climb. From Sadang Station, Exit 4, the ridge route past Hamabawi and Madangbawi runs over granite boulders with fixed ropes and chains on the steepest pitches; this side is genuinely advanced, not moderate, and hiking shoes stop being optional. The summit itself, Yeonjudae, is a Buddhist hermitage built directly onto a cliff face — worth the climb either way you approach it. Round trip runs 3–4 hours depending on route; Seoul’s data puts daily foreign visitors at 1,192, up 10% year over year. Winter visits need microspikes — the granite gets genuinely icy.

Cheonggyesan (public summit ~583 m). One thing to know before you go: Cheonggyesan has two summits. Mangyeongdae, at roughly 618–620 m, is the true highest point, but it sits inside a restricted military facility and isn’t open to hikers. Maebong, at about 583 m, is where the trail actually ends and where every hiker’s photo gets taken — treat that as “the summit” for planning purposes. From Cheonggyesan Station (Sinbundang Line), Exit 2, it’s a roughly 9-minute walk to the entrance, then 2–3 hours round trip via long stone and wooden staircases to Maebong Pavilion, which looks out over the Han River and central Seoul. There’s no free government gear rental here — Bukhansan, Bugaksan and Gwanaksan are the only three — but the streets around the station exit are lined with private hiking shops if you arrive without gear. Unlike the other three mountains in this section, Seoul’s 2025 foreign-visitor tracking doesn’t cover Cheonggyesan, so treat any claim about its popularity with foreign hikers specifically as unverified — what’s clear is that it’s a genuinely popular local hike, nicknamed “Cheong-rini” for how approachable it is by Korean standards.

Suraksan (638 m). The rockiest hike in this tier — rhododendron fields in spring give way to rocky paths and, near the top, short scrambling sections aided by fixed cables and ropes, similar in character to Gwanaksan’s harder side rather than Cheonggyesan’s staircases. From Suraksan Station (Line 7), Exit 1, it’s about 10 minutes to the Suyakgol valley trailhead; the route passes two temples, Yeombulsa and Seongnimsa, on the way up. Round trip runs 3.5–4 hours. Suraksan sits on the Seoul–Namyangju–Uijeongbu border in the northeast of the city, the mountain furthest from the others in this tier — pair it with Dobongsan below if you’re already headed that direction, rather than trying to combine it with Gwanaksan or Cheonggyesan in the same day.

Tier 3: a full day, at least — sometimes two

Most of these mountains have their own full guide on this site, so this section stays short for them; Dobongsan doesn’t yet, so it gets a fuller paragraph here. Hiking boots are not optional on any of these, and route choice changes the difficulty more than the mountain’s name does.

Dobongsan (740 m, Jaunbong). Technically part of the same national park as Bukhansan — it’s officially Bukhansan-Dobongsan National Park — and arguably the more demanding of the two on its hardest sections: the approach to Jaunbong runs over stretches of near-vertical granite face, aided by fixed metal railings and cables rather than open trail. From Dobongsan Station (Lines 1 and 7), Exit 1, it’s about a 15-minute walk past hiking-gear shops and restaurants to the park entrance; the full route to Jaunbong covers 6.3 km with roughly 645 m of elevation gain, running 2–5 hours depending on pace and how far past the easier lower peaks (Seoninbong, Manjangbong) you push. This is a genuine Tier 3 hike, not a Tier 2 one that got miscounted — treat the cable sections with the same respect you’d give Gwanaksan’s hardest ridge route.

Bukhansan (836 m). The easiest way in is real: Jokduribong, from Dokbawi Station, is a 2 km, roughly 90-minute beginner route that doesn’t even reach the main summit. Baegundae, the actual 836-meter peak, is a longer, harder climb from a different entrance — this is the one mountain on this page where “which route” matters more than “which mountain.”

Songnisan (1,058 m). Most hikers aim for Munjangdae, a flat summit rock four meters short of the true peak that draws more visitors than Cheonwangbong itself — about 4 hours round trip from the Hwabuk side.

Seoraksan (1,708 m). The cable car reaches 700 m in ten minutes, but that’s a view, not a summit. Reaching Daecheongbong on foot, via the Cheonbuldong valley, runs about 6 hours 40 minutes one way — a full day is the realistic minimum.

Hallasan (1,947 m). South Korea’s tallest peak, and the only one on this list that requires an advance reservation for the final stretch to the summit crater lake. The standard Seongpanak route is 9.6 km one way — about 9 hours round trip.

Jirisan (1,917 m). Day hikes exist — Baemsagol to a shelter is about 4 hours one way — but Jirisan’s real draw is the 25.5 km main ridge traverse, which most hikers spread across two days, booking mountain shelters along the way. This is the only genuinely multi-day hike on this page.

Tier 3 is the one tier that doesn’t fit on the Seoul map above — four of its six mountains are full regional trips, hundreds of kilometers apart. The map below is national scale instead, showing all six relative to each other and to Seoul.

What “minimum gear” actually means, by tier

• Tier 1 (Naksan, Namsan, Achasan, Umyeonsan, Daemosan, Guryongsan, Bugaksan): Regular walking shoes are fine. Bring water and, if you’re going for the Achasan sunset, a layer for after dark. Bugaksan is the exception worth a second look — short, but steep enough on its stone steps that shoes with real grip make the climb noticeably easier even though it’s still a Tier 1 time commitment.
• Tier 2 (Samseongsan, Gwanaksan, Cheonggyesan, Suraksan): Real hiking or trail shoes with grip — the stone staircases, granite sections and Suraksan’s cable-assisted rock all punish smooth soles. A trekking pole helps on the way down more than the way up.
• Tier 3 (Dobongsan, Bukhansan, Songnisan, Seoraksan, Hallasan, Jirisan): Proper hiking boots, not trail runners, plus a trekking pole and layers — Korean mountain weather shifts fast above 1,000 m. Crampons are worth owning for winter ascents.

If you didn’t pack for Tier 2 or 3, Seoul will lend you boots and clothing for free at three trailheads — Bukhansan, Bugaksan and Gwanaksan specifically. The full breakdown is here; none of the other 14 mountains on this page are covered by that program, gentle or difficult alike.

An eSIM is worth having before any of these — Naver or Kakao Map for the trailhead, and a signal if a trail closes early.

Checked 22 September 2026. Namsan, Achasan and Gwanaksan foreign-visitor figures (daily averages and year-over-year change) from a Seoul Metropolitan Government analysis of 2025 tourism data; the same dataset does not cover the other 14 mountains on this page, which is noted above where relevant. Elevation and access details for Namsan, Achasan, Gwanaksan and Cheonggyesan cross-checked against Wikipedia and multiple hiking-route sources including AllTrails entries for each mountain; where sources disagreed — Cheonggyesan’s and Umyeonsan’s summit elevations, most notably — this page states the disagreement rather than picking one figure. Bukhansan, Songnisan, Seoraksan, Hallasan and Jirisan figures are sourced and dated individually on each mountain’s own page, linked above. Naksan, Bugaksan, Suraksan, Dobongsan, Daemosan, Umyeonsan, Guryongsan and Samseongsan elevation, access and route details are cross-checked against Wikipedia, Seoul’s Hanyangdoseong city wall site (for Naksan and Bugaksan), Gangnam-gu’s own parks pages (for Daemosan and Guryongsan), and multiple AllTrails route entries; Bugaksan’s pre-2019 ID requirement is documented on the Hanyangdoseong site’s own operating-hours notices. Namsan, Achasan and Cheonggyesan coordinates on the map above are from their respective English Wikipedia entries; the eight new mountains' coordinates are from OpenStreetMap and, for Dobongsan’s Jaunbong peak, PeakVisor.