Isan (อีสาน) is Thailand's largest region — 20 northeastern provinces covering one-third of the country's land area, home to 22 million people (one-third of Thailand's population). It's the country's poorest region, the most authentic, the funniest, the loudest, the spiciest, and almost entirely unknown to foreign tourists. While 40 million tourists annually flood Bangkok, Phuket, and Chiang Mai, Isan sees only a tiny fraction. This is the complete guide to Thailand's vast, weird, wonderful east. ## Geography and Identity Isan occupies the Khorat Plateau — a vast inland plain bordered by: - **Cambodia** to the south (Surin, Si Saket, Buriram provinces) - **Laos** to the north and east (Nong Khai, Mukdahan, Loei) - **Central Thailand** to the west The region was historically part of the Lao kingdom and Khmer empire. Today's Isan people are ethnically distinct: a mix of Lao, Khmer, and other groups, speaking Isan (a Lao dialect) at home alongside standard Thai. Their food, music (mor lam, luk thung), festivals, and humor are very different from central Thailand. ## Why Isan Is Different - **Spicier food** than any other Thai region. - **Sticky rice (khao niew)** is the staple — not jasmine rice. - **More raw food** — som tam, larb, koi (raw beef salad). - **Music** — mor lam and luk thung (Thai country music) originated here. - **Festivals** — wilder, more pagan-influenced than central Thai. - **People** — known as the warmest, most cheerful Thais — and the funniest. - **Buddhism** — mixes with animism, ancestor worship more visibly. ## Top Destinations ### Khao Yai National Park Thailand's oldest national park (established 1962), now a UNESCO World Heritage Site. 2160 km² of jungle 3 hours northeast of Bangkok, gateway to Isan. **Highlights:** - **Elephant viewing** — wild elephants, easier here than anywhere else in Thailand. - **Wildlife** — gibbons, hornbills, sambar deer, ocassionally tigers. - **Haew Narok Waterfall** — 80m drop, viewing platform. - **Pha Kluai Mai Waterfall** — orchid-lined. - **Limestone caves** — Tham Sai, Tham Tan Wan. **Practical:** - **Entry:** 400 THB foreigner + 50 THB car. - **Stay:** Khao Yai town (Pak Chong) has resorts ($30-200/night). Lala Mukha (luxury safari), Atta Lakeside, Toscana Valley. - **Get there:** 200 km from Bangkok, 3 hr by car. Minivan from Mo Chit to Pak Chong (180 THB). - **Best months:** November-February (cool/dry). ### Phimai Historical Park A Khmer temple complex older than Angkor Wat (built ~11th century, restored Buddhist temple by 12th century). Located in Nakhon Ratchasima province ("Korat"), 60 km north of Korat city. **Highlights:** - Original Khmer temple with prangs reminiscent of Angkor. - UNESCO World Heritage Site (tentative list). - Quiet compared to Cambodia — often you'll be alone with the ruins. - Phimai National Museum next door. **Practical:** - **Entry:** 100 THB. - **Get there:** bus from Korat (1 hr). - **Stay:** Korat (4-star Sima Thani Hotel $80) or Phimai (boutique $40). ### Buriram and Phanom Rung Phanom Rung is Thailand's most spectacular Khmer ruin — a temple built on the rim of an extinct volcano, dedicated to Shiva, restored to remarkable completeness. Built 10-13th century. **Highlights:** - Walk the ceremonial staircase to the central sanctuary. - 4 times yearly the rising sun aligns through all 15 doorways (March 3-5, September 8-10, April 5-7, October 5-7). - Combine with **Muang Tam** (nearby Khmer temple) and **Buriram football stadium** (Buriram United, surprise football powerhouse). **Practical:** - **Entry:** 100 THB. - **Get there:** Buriram province, 410 km from Bangkok. Train, bus, or fly to Buriram Airport. ### Khon Kaen Capital of Khon Kaen province, the largest city in Isan. University town, modern, very Thai. **Highlights:** - **Bueng Kaen Nakhon** — central lake, lively in evenings. - **Wat Nong Wang** — beautiful 9-tier temple with city view. - **Khon Kaen National Museum** — Lanna and Isan history. - **Sila University Friday Walking Street**. **Practical:** - Direct flights from Bangkok ($30-60). - Mid-range city hotels $30-80. ### Ubon Ratchathani Eastern Isan's largest city, gateway to Laos border crossings. **Highlights:** - **Wat Phra That Nong Bua** — Bodhgaya-style temple, replica of Indian original. - **Pha Taem National Park** — 3000-year-old rock paintings on cliff overlooking Mekong River. - **Sam Phan Bok** — "Grand Canyon of Thailand," sandstone pillars in Mekong. - **Annual Candle Festival** (July) — giant carved wax sculptures parade. **Practical:** - Direct flights from Bangkok. - Best months: Nov-Feb. ### Nong Khai and the Mekong Nong Khai sits on the Mekong River, with the first **Thailand-Laos Friendship Bridge** crossing to Vientiane (capital of Laos, 30 minutes away). **Highlights:** - **Sala Kaew Ku Sculpture Park** — surreal Buddhist-Hindu sculpture park created by mystic Bunleua Sulilat. - **Mekong sunset cruises** — 200-400 THB. - **Phu Pra Bat Historical Park** — prehistoric rock formations + Khmer carvings. - **Cross-border to Vientiane Laos** — visa-on-arrival. ### Loei Province Mountainous Isan province, cooler climate. **Highlights:** - **Phu Kradueng National Park** — strenuous overnight hike to summit plateau, popular with Thai students. - **Chiang Khan** — riverside Lao-influenced town, French colonial buildings, walking street. - **Phi Ta Khon Festival** — see below. ## Festivals ### Phi Ta Khon (Ghost Festival) — Dan Sai, Loei Held in June, dates vary annually based on local mediums' predictions. The most unique Thai festival: villagers wear colorful ghost masks made of coconut leaves and bamboo, with carved wooden phallic accessories (no, really). Parade through streets banging drums, drinking, playing music. The festival mixes Buddhist Vessantara Jataka tale with local animist beliefs. Origins debated — possibly ancient fertility rite, or related to the Buddhist tale of King Vessantara's son returning from death. **Get there:** Dan Sai town in Loei province. Bus from Loei city + minivan. Festival lasts 3 days. ### Rocket Festival (Bun Bang Fai) — Yasothon May. Villagers build huge rockets and launch them to encourage the rains. Whoever's rocket flies highest wins; whoever's fails has water thrown on them. ### Boon Bang Fai — Loei Similar rocket festivals across multiple Isan provinces in May. ### Surin Elephant Round-Up November. Surin province's annual elephant festival — different from sanctuary, more traditional Kuy mahout culture, though increasingly questioned ethically. ### Songkran Isan-style Isan Songkran is wilder than central Thailand — more rural, less polished, more authentic. ## Isan Food (the Best in Thailand?) Many Thais consider Isan food the country's best: ### Iconic Isan Dishes - **Som Tam (papaya salad)** — Isan invention. Best at any roadside stall. - **Larb (meat salad)** — minced pork/chicken/beef/duck with roasted rice powder. Larb moo (pork) standard. - **Khao Niew (sticky rice)** — eaten by hand, with everything. - **Gai Yang (grilled chicken)** — marinated, grilled over coals. - **Tom Saep (spicy soup)** — clear hot-sour soup, Isan version of tom yum without coconut. - **Nam Tok** — like larb but with sliced grilled beef, very Isan. - **Sai Krok Isan** — fermented sausage with rice + pork. - **Som Tum Pla Ra** — som tam with fermented fish sauce (ULTRA pungent, locals' favorite). - **Koi** — raw beef salad (use caution: raw meat). - **Khao Jee** — sticky rice cooked over coals on bamboo skewers. ### Where to Eat Isan in Bangkok You don't need to go to Isan to eat Isan: - **Soei Restaurant** (Ari) — Isan classics. - **Polo Fried Chicken** (Lumphini) — gai yang. - **Hai Som Tam Convent** (Silom) — Isan papaya salads. ## Getting Around Isan The vast distances make Isan harder to traverse than Northern Thailand. Best to: - **Fly** between Bangkok and Korat/Khon Kaen/Ubon/Buriram (60-90 min, $30-60). - **Train** Bangkok-Korat-Ubon (overnight sleeper, $25-40). - **Bus** within Isan (cheapest, slow, frequent). - **Rent a car** for region exploration ($25-40/day). ## Best Itineraries ### Khao Yai + Phimai (5 days from Bangkok) - Day 1-2: Khao Yai National Park - Day 3: drive to Korat, evening in city - Day 4: Phimai Historical Park - Day 5: return to Bangkok via Phanom Rung (if time) ### Cultural Heart of Isan (7 days) - Day 1-2: Khon Kaen (city + temples + walking street) - Day 3: Ubon Ratchathani - Day 4: Pha Taem rock paintings + Sam Phan Bok - Day 5: drive to Nong Khai - Day 6: Mekong cruise + Sala Kaew Ku park - Day 7: cross to Vientiane Laos OR return south ### Khmer Temples Circuit (4 days) - Day 1: Phimai (Korat) - Day 2: drive to Buriram, Phanom Rung - Day 3: Muang Tam + Surin - Day 4: return Bangkok ## Why Foreigners Skip Isan - **Less English** spoken than tourist areas. - **Distances are vast** — need car or domestic flights. - **Few "iconic" beaches/islands** — Isan is landlocked. - **Festivals scattered** — hard to time. - **Climate** — March-May extremely hot (40°C+). ## Why You Should Visit - **No tourists** — most authentic Thailand left. - **Friendliest people** — Isan are known as the most welcoming Thais. - **Best food** in the country. - **Lowest prices** — hotels 50% cheaper than Phuket. - **Unique culture** — Lao-Khmer mix you won't see elsewhere. ## Practical Tips - **Cash** is king — many places don't take cards. - **English** is limited — Google Translate helps. - **Mosquitoes** are aggressive — bring repellent. - **Tap water** — never drink. - **Hotels** — basic standards; even mid-range may lack hot water in budget options. ## When to Visit - **November-February:** cool and dry, ideal. - **March-May:** brutal heat (40°C+). - **June-October:** rainy season but green/lush. For festivals: - May: Rocket Festival (Yasothon) - June: Phi Ta Khon (Dan Sai, Loei) - November: Surin Elephant Round-up - December: Buriram football season ## Recommended Stay (per region) - **Khao Yai:** Lala Mukha Tented Resort ($150), Toscana Valley Hotel ($90). - **Khon Kaen:** Pullman Khon Kaen Raja Orchid ($80). - **Ubon:** Sunee Grand Hotel ($60). - **Nong Khai:** Nong Khai Riverside Hotel ($50). - **Buriram:** AKA Hotel Buriram ($45). ## Final Word Isan won't suit every traveler. If you want easy logistics, English everywhere, iconic beaches, polished tourism — go to Phuket, Samui, Krabi. If you want to see the real Thailand, eat the real food, meet locals who don't see tourists every day — Isan is the answer. It's where Thais send foreigners they actually like.