Best Unagi in Asakusa: 5 Unforgettable Bowls Chosen by BUZZ SCORE

From Edo-era legends to a cult charcoal grill that locals guard like a family secret — these are the unagi restaurants in Asakusa that food lovers keep coming back to.

Asakusa has no shortage of eel restaurants. The hard part isn’t finding one — it’s figuring out which ones people actually go back to. That’s what this guide tries to answer. Instead of pulling from tourist aggregators or star ratings, we ran each restaurant through our BUZZ SCORE: a method that tracks real chatter across Japanese food blogs, SNS, and specialist communities over time. Five restaurants made the cut. Some have been around since the Meiji era; one opened its second chapter as a casual station-front spot. What they share is the kind of following you can’t manufacture.

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At a Glance

#	Shop	Best For	Price (Dinner)	Reservations	BUZZ
1	うなぎ 色川 — Unagi Irokawa	Sharp, dry-style Edo tare	¥3,500–¥4,800	Walk-in only	★★★★★
2	駒形前川 浅草本店 — Komagata Maekawa Asakusa honten	Heritage dining & river views	¥5,000–¥20,000	Recommended	★★★★½
3	小柳 — Koyanagi	Melt-in-the-mouth texture	¥3,500–¥4,500	Recommended on weekends	★★★★
4	初小川 — Hatsu Ogawa	Intimate Showa-era atmosphere	¥3,500–¥4,500	Required	★★★★
5	浅草うな鐵 浅草駅前本店 — Asakusa Unatetsu Asakusa ekimae honten	Shio-hitsumabushi & casual fun	¥2,500–¥4,000	Walk-in friendly	★★★★

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Why This List Is Different

BUZZ SCORE measures something star ratings tend to miss: the kind of reputation that builds quietly among people who genuinely care. For each restaurant here, we dug through Japanese-language posts on X and Instagram, long-form food blogs, YouTube vlogs, and specialist forums including 5ch. Every shop is scored on five axes — source diversity, expert density, review depth, repeat mentions, and time persistence — with a maximum of 25 points total. The best unagi in Asakusa isn’t always the most-searched name. More often it’s the place that devoted eel-eaters bring up on their own, return to without needing a reason, and argue for in comment sections with a conviction no algorithm can fake.

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1. うなぎ 色川 — Unagi Irokawa

The Meiji-era institution with a razor-sharp tare that regulars swear they’ve been chasing for decades.

Quick Facts

• 📍 Location / Nearest station: 2-6-11 Kaminarimon, Taito-ku — approx. 3 min walk from Asakusa Station (Toei Asakusa Line), Exit A4
• 🕐 Hours: 11:30 until sold out — closed Sundays, public holidays, and occasional irregular days
• 💴 Budget: ¥3,500–¥4,800 (unadon / unaju)
• 📅 Reservations: Walk-in only — arrive early, especially on weekdays
• 🔥 Why locals rate it: 150+ years of dry, Edo-style tare perfected across six generations
• 🔗 More info: Official site · Tabelog

The Story

Irokawa has been grilling eel since 1871, and the sixth-generation proprietress — who inherited both the recipes and the coals — hasn’t felt the need to change much. The eel goes over kishū binchotan until the skin crisps and the inside pulls apart in thick, tender flakes. The tare is what people talk about most: barely sweet, with a dry, soy-forward edge that keeps the richness of the eel from getting heavy.

Food writers have covered this place more than fifteen times. Regulars on X write about coming back for thirty years running. The queue forms before the doors open, and when the eel runs out, it runs out — no apology, no rain check. Most people who’ve been once are already planning the next visit.

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🚉 Nearest station: Asakusa Station (Toei Asakusa Line, Exit A1 / Tokyo Metro Ginza Line, Exit A4) (2 min walk)

2. 駒形前川 浅草本店 — Komagata Maekawa Asakusa honten

A living piece of Edo culinary history, overlooking the Sumida River from the same spot it has occupied for generations.

Quick Facts

• 📍 Location / Nearest station: Komagata, Taito-ku — approx. 5 min walk from Asakusa Station (Toei Asakusa Line)
• 🕐 Hours: Lunch and dinner service; check directly for current hours
• 💴 Budget: ¥5,000–¥20,000 (varies by course and grade)
• 📅 Reservations: Strongly recommended, especially for private rooms and kaiseki courses
• 🔥 Why locals rate it: No-sugar tare, Bando Taro eel, Sumida River atmosphere
• 🔗 More info: Official site · Tabelog · Instagram

The Story

Komagata Maekawa goes back to the Edo period, which makes it one of the oldest eel restaurants in Tokyo by any measure. The house tare contains no sugar — a deliberate choice that keeps the flavor dry and savory, true to the classical Edo-mae profile. The eel itself is Bando Taro, a premium Kanto variety known for its fat distribution, and the multi-story building sits right beside the Sumida River, with views that feel largely unchanged from old photographs.

Food historians and gourmet writers tend to cite this place as a benchmark rather than just a recommendation. The range is real: you can come for a reasonably priced set lunch or book a private tatami room for a full kaiseki-style eel course. That flexibility is part of why it shows up in so many different conversations — it’s one restaurant that genuinely works for different occasions.

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🚉 Nearest station: Asakusa Station (1 min walk) 🕐 Hours: 11:30–21:00 (L.O. 20:30) / Closed: None (no regular closing days) (as of Aug 2026)

3. 小柳 — Koyanagi

Over a century old and still the neighborhood default — the unaju that multi-generation Asakusa families call home.

Quick Facts

• 📍 Location / Nearest station: 1-29-11 Asakusa, Taito-ku — approx. 3 min walk from Asakusa Station (Tobu Isesaki Line / Tokyo Metro Ginza Line)
• 🕐 Hours: 11:30–21:00 (L.O. 20:30) — closed Thursdays
• 💴 Budget: ¥3,500–¥4,500
• 📅 Reservations: Available; recommended on weekends
• 🔥 Why locals rate it: Generational loyalty; unrivaled steaming technique
• 🔗 More info: Tabelog

The Story

Founded in the early Taisho era, Koyanagi has built the kind of following that doesn’t need much explaining — people here grew up eating this eel, and now they bring their own kids. The texture is what distinguishes it: the steaming is controlled to a point where the flesh separates with almost no pressure from the chopsticks. Reviewers have been reaching for the phrase “melts in your mouth” for decades, and it’s not really an exaggeration.

The tare strikes a balance between sweet and soy that tends to work for everyone, first-timers included. Kabuki actors and rakugo performers have been regulars here across generations, and the comments online are full of people saying things like “my grandfather used to bring me here.” With 718 Google reviews and mentions going back to the early internet, Koyanagi is probably the clearest example of just doing one thing very well for a very long time.

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🚉 Nearest station: Asakusa Station

4. 初小川 — Hatsu Ogawa

Seven seats, one hundred years of craft — the most intimate Edo-mae experience in Asakusa.

Quick Facts

• 📍 Location / Nearest station: 2-8-4 Kaminarimon, Taito-ku — approx. 3 min walk from Asakusa Station (Toei Asakusa Line), Exit A4; approx. 5 min from Tawaramachi Station (Tokyo Metro Ginza Line)
• 🕐 Hours: 12:00–13:30, 17:00 until sold out — irregular holidays
• 💴 Budget: ¥3,500–¥4,500
• 📅 Reservations: Required — walk-ins are extremely difficult to arrange
• 🔥 Why locals rate it: Showa-era interior; feather-light, delicate eel preparation
• 🔗 More info: Tabelog · Instagram

The Story

Established in 1907, Hatsu Ogawa is a small, worn-in space that has changed almost nothing since the Showa period. Seating is extremely limited, so each visit feels closer to being let into a private kitchen than going to a restaurant. The eel is notably thinner and more delicate than what you’ll find at other houses on this list — grilled with care to the point where it dissolves almost immediately.

The tare stays in the background, there to support the eel rather than define the bowl. Specialty food bloggers have been writing about this place since the early 2000s, and the consistent detail in those posts is that people book their next visit before they’ve finished the current meal. If you’re serious about the best unagi in Asakusa, this one belongs on the list — but it takes planning. Reserve well in advance.

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🚉 Nearest station: Asakusa Station

5. 浅草うな鐵 浅草駅前本店 — Asakusa Unatetsu Asakusa ekimae honten

The crowd-pleasing wildcard — a casual eel bar where the shio-hitsumabushi has built its own devoted following.

Quick Facts

• 📍 Location / Nearest station: Directly outside Asakusa Station (Toei Asakusa Line / Tokyo Metro Ginza Line)
• 🕐 Hours: Check current hours directly; generally open for lunch and dinner
• 💴 Budget: ¥2,500–¥4,000
• 📅 Reservations: Walk-in friendly; queues possible at peak hours
• 🔥 Why locals rate it: Shio-hitsumabushi; highest review volume in Asakusa for unagi
• 🔗 More info: Official site · Tabelog · Instagram

The Story

Unatetsu isn’t trying to be a century-old institution, and that’s the point. Its standout dish is the shio-hitsumabushi — eel seasoned with salt rather than tare, served in a wooden ohitsu and eaten three ways: plain, with condiments, then with dashi poured over the rice. It’s a preparation most casual eel-eaters haven’t encountered before, and it’s collected a genuine following online.

B-grade gourmet writers, izakaya fans, and food YouTubers have clocked more than twenty mentions, and the restaurant’s 1,245 Google reviews make it the most-reviewed unagi spot in Asakusa by a clear margin. Being right outside the station doesn’t hurt — it’s the easiest place on this list to get into, and for someone trying eel for the first time, that’s a real advantage rather than a downside.

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How We Choose These Restaurants

Our BUZZ SCORE system evaluates each restaurant across five dimensions: source diversity (how many platforms are talking), expert density (do food specialists and dedicated unagi enthusiasts mention it), review depth (are comments specific and substantive, not generic praise), repeat mentions (do people return and say so publicly), and time persistence (has the buzz lasted years, not just weeks). Each axis is scored up to 5 points for a maximum of 25.

We apply this framework to Japanese-language sources specifically — X threads, Instagram posts, long-form personal food blogs, YouTube documentation, and specialist forums — because that’s where the most honest and granular opinions about Asakusa unagi actually live. The result is a list where a century-old institution and a casual station-front eel bar can sit side by side, as long as both have earned genuine, sustained enthusiasm from the people who know this neighborhood and this food best.

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Every restaurant on this list has something worth traveling for, whether that’s a 150-year-old tare, a seven-seat room frozen in the Showa era, or a salt-seasoned hitsumabushi that stops food bloggers mid-sentence. For more neighbourhood guides like this one, explore the rest of Oishii Japan Food’s BUZZ SCORE picks across Tokyo.

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FAQ

Q: Does Komagata Maekawa Asakusa have an English website? A: Yes, Komagata Maekawa Asakusa has an official English website at https://www.komagata-maekawa.com/english/.

Q: What are the opening hours of Komagata Maekawa Asakusa? A: The restaurant is open from 11:30 to 21:00 (last order 20:30), with no regular closing days.

Q: Do I need a reservation at Unagi Irokawa? A: No reservations are accepted at Irokawa — entry is strictly first-come, first-served, so expect to queue.

Q: Is a reservation recommended at Hatsugawa? A: Yes, reservations are strongly recommended, as the restaurant has very few seats and walk-ins are extremely difficult.