Somunnan Seongsu Gamjatang: Seongsu's 24-Hour Pork Stew

TL;DR: Somunnan Seongsu Gamjatang is a 24-hour, no-reservations gamjatang (pork bone stew) institution on Yeonmujang-gil in Seongsu-dong, open since 1983 and made famous by Korean television. Order the stew with sujebi noodles and a fried-rice finish, or the solo gamja-guk bowl if you’re eating alone. It’s loud, communal, and Korean-menu-only — excellent for hearty comfort food and late-night cravings, less suited to a quiet or English-first meal.

Somunnan Seongsu Gamjatang is a 24-hour gamjatang (pork bone stew) restaurant that has served the same Seongsu-dong block since 1983, known for its huge stone-pot portions, a dedicated solo-dining counter, and a TV-driven reputation from Baek Jong-won’s Top 3 Chef King — visit for the stew, the sujebi, and the neighborhood’s most enduring queue.

Walk down Yeonmujang-gil in Seongsu-dong (성수동) at almost any hour — 2 a.m. after a long night out, or noon on an ordinary Tuesday — and you’ll likely see the same thing: a line outside a modest storefront, waiting for gamjatang (감자탕), Korea’s rich, spicy pork bone stew. Somunnan Seongsu Gamjatang has cooked the same dish on the same block since 1983, watching the warehouses around it turn into the concept stores and roastery cafés that now define one of Seoul’s most photographed districts. It has become one of the area’s most talked-about gamjatang destinations, though the wait, the noise, and the no-frills service mean it isn’t the right stop for every kind of traveler.

Table of Contents

• What Is Somunnan Seongsu Gamjatang?
• What to Order at Somunnan Seongsu Gamjatang?
• How Much Does Somunnan Seongsu Gamjatang Cost?
• How Do You Get to Somunnan Seongsu Gamjatang?
• Is Somunnan Seongsu Gamjatang Worth Visiting?
• What Are Similar Restaurants Near Seongsu Station?
• Frequently Asked Questions

Quick Verdict
Who Should Visit	Night owls, solo diners, and comfort-food fans craving an old-school, no-frills bone stew after dark or after drinks
Who Should Skip	Diners who want a quiet, intimate meal, need English service, or are put off by long communal-table waits
Best Dish to Order	Gamjatang (감자탕) finished with sujebi (수제비) hand-torn noodles and fried rice
Price Range	₩₩ (roughly $9–$36 USD per person, depending on portion size)
Reservation Required	No — walk-in queue only; the full party must be present to be seated

• Address (English): 45 Yeonmujang-gil, Seongdong-gu, Seoul, South Korea (04782)
• Address (Korean): 서울특별시 성동구 연무장길 45
• Nearest Subway: Line 2, Seongsu Station, Exit 4 — about a 3–5 minute walk
• Operating Hours: Open 24 hours daily, year-round
• Phone: +82-2-465-6580
• Price Range: ₩12,000–₩49,000 per order (solo gamja-guk bowl up to a Large gamjatang pot)
• English Menu Available: Partial — the posted menu is mainly in Korean; pointing at the price list or a phone translation works fine
• Reservations: Not accepted; join the walk-in line, and make sure everyone in your group has arrived before you’re called
• Information verified: August 2026

What Is Somunnan Seongsu Gamjatang?

Somunnan Seongsu Gamjatang has operated from the same stretch of Yeonmujang-gil since 1983, predating the cafés that later turned Seongsu-dong into what many now call "the Brooklyn of Seoul." Gamjatang (감자탕) itself traces back to Jeolla Province, where pork was more affordable to slaughter than cattle, and the dish spread north as workers migrated toward Seoul and Incheon in the early twentieth century — a hearty, inexpensive way to stretch pork bones into a full meal. Some food historians trace the name to gamja-ppyeo, a term for the section of pork spine near the backbone, rather than to gamja the potato, though both explanations circulate today.

The restaurant’s local fame turned national after an appearance on Baek Jong-won’s Top 3 Chef King (백종원의 3대 천왕), the SBS cooking-variety show hosted by restaurateur Baek Jong-won — the kind of television exposure that regularly sends Seoul’s home cooks and tourists alike chasing a single address. That attention, layered on top of decades of regulars, is why the line rarely disappears, even at 3 a.m. To manage the crowd, the restaurant now runs its original dining room alongside an annex space next door, and turnover is genuinely fast once you’re seated, even if the wait outside is not.

What to Order at Somunnan Seongsu Gamjatang?

The menu is built almost entirely around one dish, served two ways:

• Gamjatang (감자탕) — the main event: large chunks of tender pork on the bone in a deep, savory broth, topped with dried radish and cabbage greens (ugeoji, 우거지), perilla leaves, and enoki mushrooms. It’s sized for sharing — Small, Medium, and Large — and it’s worth ordering sujebi (수제비) — hand-torn wheat dough pieces — to simmer in the leftover broth, then finishing with fried rice (bokkeumbap, 볶음밥) scraped straight into the pot, following the common Korean habit of asking for "bap bokka juseyo" once the meat is gone. Our kimchi fried rice recipe walks through the same pan-scraping technique at home.
• Gamja-guk (감자국) — a single-serving version of the same soup, ladled into a hot stone bowl, built for solo diners who don’t want to order a full shareable pot.

Three ingredients do most of the work in the bowl:

Pork backbone (돼지등뼈, dwaeji-deungppyeo). The cut gives gamjatang its name debate and its character: meaty, gelatin-rich, and tender enough after a long simmer to pull apart with chopsticks alone.

Perilla leaves (kkaennip, 깻잎). Our Korean perilla leaves guide covers the herb’s anise-mint flavor in more depth; in gamjatang, it cuts through the richness of the pork with a sharp, herbaceous note found in few Western soups.

Ground perilla seed (deulkkae, 들깨). Many gamjatang broths lean on perilla seed powder for body, giving the soup a faintly nutty, almost velvety finish once the seasoning heats through — a texture cue that’s easy to miss unless you know to look for it. Some traditional recipes also build a base of doenjang, the fermented soybean paste behind much of Korea’s savory cooking, which is part of why fermentation researchers keep circling back to dishes like this one.

How Much Does Somunnan Seongsu Gamjatang Cost?

A pot of gamjatang runs ₩32,000 for Small, ₩37,000 for Medium, and ₩49,000 for Large — roughly $23 to $36 USD, meant to be split across two or more people rather than ordered per person. Solo diners can order the gamja-guk instead, at ₩12,000 for the regular bowl or ₩13,000 with extra ugeoji, putting a solo meal at roughly $9–$10. There’s no cover charge, no forced side-dish minimum, and both cash and card are accepted. For a group of three or four splitting a Large pot plus rice and banchan, the per-person cost usually lands closer to $12–$15 — solid value for a filling, hours-long simmer of a meal.

How Do You Get to Somunnan Seongsu Gamjatang?

The restaurant sits about a 3–5 minute walk from Seongsu Station (Line 2), Exit 4 — the Seoul Tourism Organization’s official listing puts it at roughly 229 meters from the exit — on the same stretch as the Seongsu Café Street that draws most of the neighborhood’s foot traffic. From the exit, head straight and take the first right; the line usually gives it away before the sign does. It’s an easy add-on to a Seoul Forest walk or a Seongsu café crawl, and being open around the clock means it also works as a late finish after a night in the area’s bars.

Is Somunnan Seongsu Gamjatang Worth Visiting?

For the right traveler, yes — but it earns its 40-plus years of business on volume and consistency, not polish, and it’s worth going in with the right expectations.

What works: the portions are genuinely large for the price, the broth delivers the deep, savory pork flavor the dish is known for, the annex has cut wait times compared to a few years ago, and the dedicated solo-dining counter seats make it one of the more welcoming 24-hour options in Seoul for someone eating alone.

What to know before you go: service moves fast and isn’t precious about it — staff are efficient rather than warm during rush periods, and reviewers occasionally flag the portion-to-price ratio as tight for the size of pot ordered. Some diners have also found the broth milder or less distinctive than they expected from the reputation, so it’s a restaurant that rewards low-key comfort-food expectations more than a hunt for the single best bowl in Seoul. Parking is limited to a small on-site lot with a management fee, so most visitors arrive by subway.

Frequently Asked Questions

What makes gamjatang uniquely Korean? Gamjatang combines a slow-simmered pork bone broth with distinctly Korean seasoning — gochugaru (chili flakes), perilla leaves, and often doenjang — rather than the clear or milk-white broths common in other pork soups. Its Jeolla Province origins and its role as both a shared meal and a hangover cure make it a dish tied closely to Korean drinking and working-class food culture.

What are the key ingredients? Pork backbone provides the meat and gelatin-rich body; ugeoji (dried radish and cabbage greens) adds fiber and a slightly bitter counterpoint; and perilla leaves or ground perilla seed contribute the nutty, anise-like aroma that distinguishes gamjatang from other Korean stews.

How spicy is the food at Somunnan Seongsu Gamjatang? On a 1–10 international spice scale, standard gamjatang generally lands around a 4–5 — noticeably warm but not punishing, closer to a mild-to-medium curry than a fiery dish, with the chili balanced by the broth’s savory depth.

What should first-time visitors know? Expect a walk-in line with no numbered tickets — the full party must be present before you’re seated. The soup is meant to be eaten with your hands as much as chopsticks; grab the bones directly to get the meat off, and don’t skip the fried-rice finish at the end of the meal.

Is Somunnan Seongsu Gamjatang good for solo diners? Yes — the restaurant offers a dedicated gamja-guk portion in an individual stone bowl and counter-style seating for solo guests, letting them skip the group queue and eat without ordering a full shareable pot.

Do I need a reservation? No reservations are accepted. Arrive, add your name to the walk-in queue, and expect table turnover to move faster than the line outside suggests, especially with the annex space now open.

Somunnan Seongsu Gamjatang isn’t trying to reinvent gamjatang — it’s trying to keep serving the same pot it has for over forty years, and for the crowd that keeps lining up at odd hours, that consistency is the whole point. If you’re exploring Seongsu-dong’s café streets by day, save room for this one after dark or before an early train home. Just verify current hours and prices on the restaurant’s phone line or Naver Map listing before visiting, since menus and pricing at long-running local spots can shift without much notice.