Cold noodles and beef dumpling soup for a group in Suyu: Iseol Myeonok

In short

Iseol Myeonok Suyu Main Branch is a naengmyeon (cold buckwheat noodle) restaurant that fills an entire building on 4.19-ro in Gangbuk, Seoul, near the 4.19 Tower. A group visit covered mul naengmyeon, hoe naengmyeon, sagol tteok mandu-guk (beef-bone soup with rice cakes and dumplings) and a plate of mandu, and the thin noodles in rich broth and the generous raw fish on the hoe naengmyeon stood out. With about six parking spots out front, more parking behind the building and seating on two floors, Iseol Myeonok handles a lunch group with ease.

Featured photo of Iseol Myeonok Suyu Main Branch

Good to know

Location
42 4.19-ro, Gangbuk-gu, Seoul (search Iseol Myeonok Suyu Main Branch)
Parking
About six spots in front of the restaurant, plus a large lot behind the building
Seating
First and second floors, wood-tone tables, floor-to-ceiling windows, roomy spacing between tables
Dishes ordered
Mul naengmyeon, hoe naengmyeon, sagol tteok mandu-guk, mandu
Ongoing event
Seoul Yetnal Bulgogi and galbitang (short rib soup) sold for takeout

as written by the visitor on Aug 8, 2026

Featured photo of Iseol Myeonok Suyu Main Branch

When the weather heats up, it's funny how naengmyeon (cold buckwheat noodles) is the first thing that comes to mind for lunch. You want something cool, but not too heavy, and definitely not something that feels like a rushed meal. Iseol Myeonok Suyu Main Branch, a 419 Tower area restaurant, was exactly the right spot for a day like that.

Where is Iseol Myeonok Suyu Main Branch, and where do you park?

Exterior of Iseol Myeonok Suyu Main Branch, which occupies an entire building

True to a 419 Tower area naengmyeon specialist, the restaurant takes up an entire building. Searching for Iseol Myeonok Suyu Main Branch gets you right there, and there's parking space directly in front of the store for about six cars, with a large lot behind the building too.

Since I drive most places, inconvenient parking makes me hesitant to go back no matter how good the food is — but here, parking is so easy that I immediately thought I'd want to come back.

How roomy is the dining room and seating?

Spacious interior of Iseol Myeonok Suyu Main Branch
Dining hall with wood-tone tables

Walking in, the space was much bigger than it looked from outside. There are wood-tone tables and chairs, and one side is a floor-to-ceiling window, which keeps the whole place bright and open rather than cramped.

Bright interior seating with floor-to-ceiling windows
Table layout with generous spacing

The tables are spaced generously too, so it looked like a good place for a group. And with seating up to the second floor, there are plenty of seats overall. Even during a lunch rush, you'd probably worry less about seating here than at a typical small naengmyeon shop.

Seating area extending up to the second floor
Wall covered with awards and citations
Restaurant wall packed with celebrity autographs

There's also something on the walls you can't just walk past — a huge number of awards and citations. Add in autographs from various celebrities filling up one whole wall, and it's fun to look them over while you wait. Coming in for a bowl of naengmyeon and seeing all those awards and signatures actually raised my expectations for the food a little, haha.

What's on the menu at Iseol Myeonok

Menu board at Iseol Myeonok Suyu Main Branch

Since we visited as a group, we ordered a range of dishes: the signature mul naengmyeon and hoe naengmyeon, the warm sagol tteok mandu-guk (bone-broth rice cake and dumpling soup), and dumplings to share. In summer naengmyeon naturally catches your eye first, but having a warm soup option too makes this a good pick for families with different seasons or tastes in mind.

서울옛날불고기와 갈비탕 포장판매 이벤트 안내

Seoul Yetnal Bulgogi and galbitang are currently available as a takeout promotion, so keep that in mind if you're heading there.

How do the mul naengmyeon, hoe naengmyeon and sagol tteok mandu-guk taste?

Basic side dishes set on the table
Table with dishes that arrived quickly

The dishes came out surprisingly fast, along with the basic side dishes.

A bowl of mul naengmyeon with thin noodles

Mul naengmyeon (cold noodles in chilled broth)

As you can see in the photo, the noodles are extremely thin.

Close-up of thin noodles and broth in mul naengmyeon

They're as thin as the hamheung-style naengmyeon you often get as a post-meal dish at Korean barbecue restaurants, so at first I thought it would taste familiar — but the broth made the difference. The broth wasn't watery at all; it had a deeply steeped flavor without being overly salty or sweet.

Mul naengmyeon topped with cucumber, meat, and boiled egg

The thin noodles loosen up nicely in the cold, refreshing broth and slide down easily, and with cucumber, meat, and boiled egg on top, it's a pretty filling bowl. If you prefer clean, deeply flavored broth over an in-your-face style of naengmyeon, this one will suit you especially well.

Hoe naengmyeon with raw fish over red sauce

Hoe naengmyeon (spicy cold noodles with raw fish)

Personally, I'd recommend the hoe naengmyeon (raw fish cold noodles) right alongside the mul naengmyeon. As soon as it arrived, the red sauce topped with a generous amount of raw fish looked appetizing right away.

Hoe naengmyeon noodles mixed with sauce

Mixing the thin noodles evenly with the sauce coats every strand in a sweet-and-spicy sauce, and the raw fish you bite into along the way keeps the texture from getting monotonous. I especially liked that the fish wasn't just a token garnish — there was enough to keep picking up with the noodles the whole way through.

Close-up of hoe naengmyeon with generous raw fish

Sagol tteok mandu-guk (beef-bone soup with rice cakes and dumplings)

I expected a naengmyeon restaurant to focus only on naengmyeon, but the sagol tteok mandu-guk was quite well made too. With large dumplings, rice cake, meat, roasted seaweed flakes, scallions, and egg garnish all in the bowl, it looked like a hearty meal on its own.

Sagol tteok mandu-guk with dumplings, rice cake, and egg garnish
A spoonful of dumpling from the sagol tteok mandu-guk

Scooping up the dumplings one by one with a spoon warms you up from the inside, so this would be a good dish to bring along a companion who isn't a fan of naengmyeon. Since it comes with rice cake too, on a day when you want something more filling than naengmyeon, this might actually be the better choice.

A separate plate of mandu ordered on the side
Cross-section of mandu showing the soft wrapper
Close-up of mandu filled with meat

Mandu (Korean dumplings)

We also ordered mandu (dumplings) on the side, and biting into one revealed meat filling inside a soft dumpling wrapper — a nice thing to alternate with bites of naengmyeon.

Looking around, more people than I expected were eating the Seoul Yetnal Bulgogi. Next time, alongside this 419 Tower area naengmyeon, I'm thinking I should go back for the bulgogi too.

Where it is

Iseol Myeonok Suyu Main Branch이설면옥 수유본점

42 4.19-ro, Gangbuk-gu, Seoul, South Korea서울특별시 강북구 4.19로 42 이설면옥 수유본점

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