# House of Opium, Thailand: what it is and when to go > House of Opium is a museum in Chiang Rai province, Thailand. Interests: Museums and art. The best time to visit is November to February. In June there are 13 h 14 of daylight, and in December, 10 h 46. It has an article in one Wikipedia, so it is not one of the busiest places in Thailand: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/asia/tailandia/house-of-opium/ - Reviewed on: 2026-10-08 - Language: en ## In a nutshell - **What it is:** Museum in Chiang Rai province, Thailand · Museums and art - **Where:** Thailand - **Best time:** November to February. - **Nearest airport:** CNX Chiang Mai, 212 km as the crow flies - **Price:** 50 TBH - **Website:** [houseofopium.co](https://houseofopium.co/) - **Coordinates:** 20.35152, 100.0816 ## What it is and where House of Opium is a museum in Chiang Rai province, Thailand. It has an article in one Wikipedia, so it is not one of the busiest places in Thailand: one to enjoy at a calmer pace. Its coordinates are 20.35152, 100.0816; the nearest main airport is Chiang Mai International Airport (CNX, Chiang Mai), 212 km as the crow flies. How to get around Thailand (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/asia/tailandia/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=20.351515%2C100.081603) - [Directions](https://www.google.com/maps/dir/?api=1&destination=20.351515%2C100.081603) It is one of the [Museums and art](https://kokai.app/en/paises/asia/tailandia/museos/) places in Thailand. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit House of Opium is **November to February**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Best time | 10 h 54 | | February | Best time | 11 h 20 | | March | Possible | 11 h 52 | | April | Better not | 12 h 28 | | May | Possible | 12 h 58 | | June | Possible | 13 h 14 | | July | Possible | 13 h 07 | | August | Possible | 12 h 42 | | September | Possible | 12 h 07 | | October | Possible | 11 h 31 | | November | Best time | 11 h 01 | | December | Best time | 10 h 46 | In June there are 13 h 14 of daylight, and in December, 10 h 46. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. When to go to Thailand in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/asia/tailandia/#cuando-ir). ## Before you go to Thailand To enter Thailand there are 9 things to sort out before you leave, starting with “Passport valid for six months and an onward ticket”: they are all, with their deadlines, in [the Thailand checklist](https://kokai.app/en/paises/asia/tailandia/#antes-de-salir). Currency: Thai baht (THB); plugs: Type A, B and C · 220 V · 50 Hz (the two flat-pin plug; a universal adapter covers everything); emergencies: 191 police · 1669 ambulance · 1155 tourist police. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Wat Phra That Doi Pu Khao](https://kokai.app/en/paises/asia/tailandia/phra-that-doi-phu-khao-pu-khao/): Buddhist temple in Chiang Rai province, Thailand · 99 m - [Golden Triangle](https://kokai.app/en/paises/asia/tailandia/golden-triangle/): Opium-producing region in northeastern Myanmar, northwestern Thailand and northern Laos · 237 m - [Wat Phra That Chom Kitti](https://kokai.app/en/paises/asia/tailandia/wat-phra-that-chom-kitti/): Buddhist temple in Chiang Rai province, Thailand · 7.3 km - [Wat Pa Sak](https://kokai.app/en/paises/asia/tailandia/wat-pa-sak/): Buddhist temple in Chiang Rai province, Thailand · 8.6 km - [Chiang Saen National Museum](https://kokai.app/en/paises/asia/tailandia/chiang-saen-national-museum/): Museum · 8.7 km Distances are as the crow flies. Everything else is in [the Thailand guide](https://kokai.app/en/paises/asia/tailandia/). ## More in Thailand: Museums and art - [Bangkok National Museum](https://kokai.app/en/paises/asia/tailandia/bangkok-national-museum/): museum in Bangkok, Thailand - [Sanctuary of Truth](https://kokai.app/en/paises/asia/tailandia/sanctuary-of-truth/): park in Pattaya, Thailand - [Bang Pa-In Royal Palace](https://kokai.app/en/paises/asia/tailandia/bang-pa-in-palace/): Thai royal palace complex - [National Science Museum](https://kokai.app/en/paises/asia/tailandia/national-science-museum/): museum in Thailand - [Hellfire Pass](https://kokai.app/en/paises/asia/tailandia/hellfire-pass-interpretive-centre/): war memorial in Thailand - [Phra Nakhon Khiri Historical Park](https://kokai.app/en/paises/asia/tailandia/phra-nakhon-khiri-historical-park/): Historical park on a hill in Thailand Every Thailand place under Museums and art, each with its season, is on [its page](https://kokai.app/en/paises/asia/tailandia/museos/). ## Frequently asked questions ### What is House of Opium? It is a museum in Chiang Rai province, Thailand. It has an article in one Wikipedia, so it is not one of the busiest places in Thailand: one to enjoy at a calmer pace. ### When is the best time to visit House of Opium? November to February. In June there are 13 h 14 of daylight, and in December, 10 h 46. ### How do you get to House of Opium? The nearest main airport is Chiang Mai International Airport (CNX), 212 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=20.351515%2C100.081603) opens the route on the map, and how to get around Thailand is explained in [its country guide](https://kokai.app/en/paises/asia/tailandia/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Thailand map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Wat Phra That Doi Pu Khao](https://kokai.app/en/paises/asia/tailandia/phra-that-doi-phu-khao-pu-khao/), [Golden Triangle](https://kokai.app/en/paises/asia/tailandia/golden-triangle/), [Wat Phra That Chom Kitti](https://kokai.app/en/paises/asia/tailandia/wat-phra-that-chom-kitti/). The rest is in [the Thailand guide](https://kokai.app/en/paises/asia/tailandia/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/775981375), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q14650453), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).