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Tum Nak

Isan restaurant on Soi RCA in Huai Khwang, serving som tam, grilled pork neck and spicy salads, with indoor and outdoor seating

25 Soi RCA, Khwaeng Bang Kapi, Khet Huai Khwang, Krung Thep Maha Nakhon 10310

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Google rating

4.3/ 5

Rated by 907 Google reviewers.

Read the reviews on Google Maps →

About

About Tum Nak

Tum Nak is a restaurant on Soi RCA in Huai Khwang, in the Ratchada area. It serves Isan food from north-eastern Thailand. Reviews mention corn som tam, grilled pork neck, pork rib soup and spicy salads. It has indoor and outdoor seating with fans. Opinions on the taste differ, and some reviewers found it average.

It has a 4.3 Google rating from about 910 reviews (November 2026).

The restaurant is open from about 09:30 to 22:00 every day. Sit indoors if you do not like the heat. Ask about the spice level when you order, as dishes can lean sweet or sour.

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Latest reviews

Positive reviews

  • ★★★★★Ernest O· 4 months ago

    Another great place for esarn dishes. The meals are affordable, delicious and authentic. Highly recommended. I'd definitely go back for the pork rib soup, corn somtam and grilled pork neck slices

  • ★★★★★Chu· a year ago

    ⭐ Google Maps Review for Tum Nak – ตำหนัก อาหารอีสานรสแซ่บ 📍 25 RCA Alley, Bang Kapi, Huai Khwang, Bangkok 10310 If you’re on the hunt for fiery flavors, crispy bites, and true northeastern Thai soul food — look no further than Tum Nak at RCA. This hidden gem serves up Isaan food that hits hard with both flavor and nostalgia. 🔥 The must-try dishes: Fried 3 layers pork with Garlic & Chili: The crunch is real. Every bite is packed with roasted garlic, fragrant herbs, and just the right level of spicy kick. Addictive is an understatement! Deep-fried Shrimp Pancake (Tod Mun Goong): Golden, light, crispy outside — juicy sweet shrimps inside. Perfectly executed. Tam Soui (Bamboo Shoot Papaya Salad): Wildly aromatic and spicy, layered with textures from lotus root, crunchy pork skin, and soft-boiled eggs. It’s funky, fresh, and fantastic. Grilled Pork Neck (Kor Moo Yang): Smoky, fatty, tender, and perfectly caramelized. Dips beautifully in their tangy nam jim jaew. Cockles (Hoy Kraeng): Served simply steamed with potent green seafood sauce — briny and bold. Larb Ped: A classic, but they do it right — tangy, herby, and umami-packed with roasted rice powder for the crunch. Sen Lek Luak (cooked medium sized Noodles with Pork Crackling): Yes, even the side dishes here are full of surprises. Light but satisfying. 💬 Ambience & Service: No-frills, street-style seating with stainless steel tables and blue plastic chairs. But trust me — once the food hits the table, nothing else matters. Fast service, hot plates, and a full-on Isaan experience. Perfect for groups or a casual food adventure. 📝 Final Verdict: Tum Nak isn’t just another Isaan joint. It’s a flavor-packed experience that delivers consistency, spice, and comfort in every dish. Whether you’re a chili chaser or just love the depth of Thai cuisine — this place should be on your map. I’d easily rate this a solid ★★★★★.

  • ★★★★★kevin jung· 4 years ago

    It is "the" Isan and Thai food experience. A varied selection of meat, noodle, rice dishes. The price is affordable and cheap. Portion sizes are decent. The establishment has both indoor and outdoor seating with fans to accommodate the hot temperatures. Staff are friendly and service is notable. Note, this place is packed during peak lunch and dinner hours.

Negative reviews

  • ★★★★★Apichart Dausiri· a year ago

    The restaurant specializes in northeastern "Isan" Thai style food. Plenty of dishes to pick from the manu. The taste is alright. Sour and sweet is the leading flavours in most dishes we ordered. Spicy salad with grilled chicken tastes yummy with abundant of herbs, "Nam Tuk Gai Yang" which goes well with steamed sticky rice. Grilled beef is not that tender but also not too chewy. The price is affordable ranging from 80-100 baht per dish.

  • ★★★★★Duangkamol L.· 2 years ago

    - The food in general tasted average, not very authentic - Grilled catfish is pretty dry - Fore shank in spicy and sour soup is good.. tasty - Grilled pork neck isn't fatty as requested and is very tender - Sliced grilled beef salad (namtok) is very sticky, very hard to chew - Somtum is quite sweet

Reviews come from Google Maps and show real visitors' opinions. Bangkok.biz is not responsible for their content. Ratings and review counts are updated from time to time. Read all reviews on Google Maps.

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