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Tonkotsu Kazan

Ramen restaurant·📍 Watthana, Bangkok Open

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★ 4.3
1,167 Google reviews
70% Local GuidesTop 12% in Japanese (Bangkok)Last updated recentlyWhatsAppLINE
Our read

Holds up

Scores 94/100 across 1,167 Google reviews. 35 of the 50 reviews we analysed are by Google Local Guides.

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Locals rate it differently

4.3
Google
1,167 reviews
3.9
Wongnai (Thai)
181 ratings

Wongnai's Thai raters score it 0.4 lower than Google reviewers do.

Source: Wongnai ↗

What diners actually report

Counted from 50 Google reviews — details Google's own panel doesn't show.

What diners say they spend
฿200–400 per person — reported by 13 of 20 diners who gave a figure. n=20
Where it scores
Food 4.3 · Service 4.4 · Atmosphere 4.3. n=34
Waiting
13 of 14 diners who mention waiting report no wait. n=14
Japanese· 33 mentions↘ Quality declining
94
Trust Score
Excellent
Rating
43
Volume
37
Local Gd
10
Authority
4
What the reviews actually say
94
Trust Score
4.3
Avg rating
1.2k
Reviews

Derived from public Google Maps data. No editorial intervention.

Rating timeline
Quality trend
↘Declining
1+ year ago
No data
0 reviews
3-12 months
★ 4.33
36 reviews
Last 3 months
★ 3.71
14 reviews
What reviewers mention most
Delicious / Tasty×17Spicy×8Fresh ingredients×2Authentic×2Fast service×2Affordable×2Expensive×1Nice atmosphere×1

Real review excerpts

Food is great , but as vegetarian you need to make some compromises on choices ! The chef was kind enough to adapt

Mahesh Nag (mahi)·★ 5

I got the Black Shoyu Ramen set, which comes with unlimited green tea and a side of rice. You can also upgrade the set to include add-ons like gyoza or karaage. Great value and super filling!

Kizeki33·★ 5

Ramen was so good!! Authentic 100% The staff are so friendly and fast service. I highly recommend this place and we will definitely be back soon, Thank you!😋

Siriwan_putt·★ 5
Address
 G Floor 2 Soi Sukhumvit 23, Khlong Tan Nuea, Watthana, 10110, Thailand
Phone
+66 83 718 6038
Website
www.facebook.com/kazanramenthai