# Si Dong Yen Subdistrict, Chai Prakan, Chiang Mai Province > Source: https://wherepedia.org/thailand/chiang-mai/chai-prakan/si-dong-yen/ Subdistrict · Chai Prakan # Si Dong Yen Si Dong Yen is a subdistrict (tambon) of Thailand in Chai Prakan, Chiang Mai Province. It covers **304.1 km²**. 39 named villages and localities are recorded here, and 63 mapped services such as hospitals, banks and schools. - 304km² - 63mapped services - 548 mtypical elevation ## Where is Si Dong Yen? Si Dong Yen lies in [Chai Prakan](https://wherepedia.org/thailand/chiang-mai/chai-prakan/), [Chiang Mai Province](https://wherepedia.org/thailand/chiang-mai/), [Thailand](https://wherepedia.org/thailand/). It borders 8 other subdistricts: [Mae Thalop](https://wherepedia.org/thailand/chiang-mai/chai-prakan/mae-thalop/), [Mueang Na](https://wherepedia.org/thailand/chiang-mai/chiang-dao/mueang-na/), [Nong Bua](https://wherepedia.org/thailand/chiang-mai/chai-prakan/nong-bua/), [Ping Khong](https://wherepedia.org/thailand/chiang-mai/chiang-dao/ping-khong/), [Pong Tam](https://wherepedia.org/thailand/chiang-mai/chai-prakan/pong-tam/), [San Sai](https://wherepedia.org/thailand/chiang-mai/phrao/san-sai/), [Si Thoi](https://wherepedia.org/thailand/chiang-rai/mae-suai/si-thoi/) and [Tha Ko](https://wherepedia.org/thailand/chiang-rai/mae-suai/tha-ko/). By area it is the 178th largest of 7,425 subdistricts in Thailand. It covers 57.9% of [Chai Prakan](https://wherepedia.org/thailand/chiang-mai/chai-prakan/). The centre of Si Dong Yen is about 670 km in a straight line from Bangkok, the capital. It is about 10 km from Chai Prakan, the main town of Chai Prakan. The centre point is at 19.6449° N, 99.1685° E. Local names: ศรีดงเย็น . Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha). ## Things to see in and around Si Dong Yen OpenStreetMap lists 2 named sights in Si Dong Yen: 2 attractions. - Hinoki Land · attraction - Kolak Thai Date Farm · attraction ### Nearby, outside Si Dong Yen - Baan Mai Nong Bua Hot Spring · hot spring, Nong Bua11 km - Doi Mon Lan Viewpoint · viewpoint, San Sai12 km - Huai Luek Royal Project Development Center · attraction, Ping Khong17 km - First Royal Factory · museum, Mae Ngon19 km Source: [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright). Named attractions, museums, viewpoints, historic sites and natural features mapped in OpenStreetMap. Places of worship are not listed. ## Know before you go: Si Dong Yen - Time zoneUTC+7, no daylight saving · Asia/Bangkok - CurrencyBaht (THB) - Country calling code+66 - LanguagesThai, English - Plug typesType A, B, C, F · 220 V - Driving sideLeft - Postcode format5 digits (#####) ### Nearest airports - Mae Fah Luang - Chiang Rai International Airport (CEI) · Chiang Rai82 km - Mong Hsat Airport (MOG) · Mong Hsat97 km ### Daylight Days are longest in Jun (about 13.3 hours, sunrise around 05:44) and shortest in Dec (about 11.0 hours, sunrise around 06:49, sunset around 17:47). Source: [GeoNames country and time-zone files (CC BY 4.0)](https://www.geonames.org/); [Wikidata (CC0) — plug types, mains voltage, driving side; retrieved 2026-11-02](https://www.wikidata.org/); [OurAirports (public domain)](https://ourairports.com/data/). Airports with scheduled passenger flights; straight-line distances. Daylight is calculated for the 15th of each month in local standard time. Check entry and visa rules with official government sources before travelling. ## Villages and localities in Si Dong Yen Open gazetteers list **39 villages, towns and localities** in Si Dong Yen. The largest with a recorded population: Ban Mae Thalop (7,930). Settlements here lie between about 500 m and 1,265 m above sea level (median 548 m). - Ban Ai - Ban Chiang Man - Ban Cho Buak Raet - Ban Daen Din - Ban Dan Din - Ban Den - Ban Doi Pui - Ban Doi Wiang - Ban Dong - Ban Dong Pa Sak - Ban Hua Fai - Ban Huai Muang - Ban Huai Pha Lat - Ban Huai Ton Tong - Ban Inthra Ram - Ban Kio Champi - Ban Mae Fang Luang - Ban Mae Khi - Ban Mae Khi Lai Fang - Ban Mae Thalop - Ban Musoe - Ban Musoe Huai Sai - Ban Musoe Huai Wat Rang - Ban Musoe Mae Thalop - Ban Nam Hu - Ban Ngaen Ngum - Ban Nong Bia - Ban Nong Daeng - Ban Nong Pa Sang - Ban Pa Hong - Ban Pang Makham Pom - Ban Pang Mo - Ban Phae - Ban Rong Than - Ban Sai Khao - Ban San Sai - Ban San Ton Pao - Ban Si Dong Yen - Ban Tham Tap Tao Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright). ## Landscape and landmarks of Si Dong Yen Named natural and historic features inside Si Dong Yen, from the GeoNames gazetteer. ### Water 6 rivers and streams; 4 reservoirs and tanks. - Ang Kep Nam Huai Bong - Huai Phak Nam Reservoir - Huai Pong Pong - Huai Sai - Huai Yang San - Nam Mae Fang - Nam Mae Fang Noi - Nam Mae Thalop Luang - Nong Khiao Reservoir - Nong Khwai Tok Reservoir ### Hills and mountains 5 mountains. - Doi Khun Fang · 1,377 m - Doi Wiang Pha · 1,249 m - Doi San Phaen Thi · 924 m - Doi Hua Pu · 896 m - Doi Kio Wua Thao · 831 m Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/). Places of worship are not listed. Elevations are from the GeoNames terrain model and are approximate. ## Weather in Si Dong Yen and the best time to visit Using the climate of Chai Prakan, the warmest month is Apr (average 27 °C) and the coolest is Dec (18 °C). About 1,318 mm of rain falls in a year; the wettest month is Aug (259 mm) and the driest Feb (5 mm). The most comfortable months for a visit are **October to April**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 19 16 Feb 21 5 Mar 24 22 Apr 27 68 May 26 193 Jun 25 151 Jul 25 209 Aug 24 259 Sep 24 225 Oct 23 119 Nov 21 37 Dec 18 14 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Si Dong Yen Need Nearest mapped Distance Hospital ด่านตรวจผาหงส์ ต.ศรีดงเย็น อ.ไชยปราการ จ.เชียงใหม่ · Si Dong Yen 3.4 km [Map](https://www.openstreetmap.org/?mlat=19.64395&mlon=99.13611#map=17/19.64395/99.13611) Bank ธนาคารออมสิน สาขาไชยปราการ · Nong Bua 9.5 km [Map](https://www.openstreetmap.org/?mlat=19.72584&mlon=99.14011#map=17/19.72584/99.14011) ATM Atm ธนาคารกรุงไทย สาขาไชยปราการ · Pong Tam 11 km [Map](https://www.openstreetmap.org/?mlat=19.73623&mlon=99.14266#map=17/19.73623/99.14266) Petrol pump PTT LPG Station · Si Dong Yen 2.6 km [Map](https://www.openstreetmap.org/?mlat=19.65571&mlon=99.14603#map=17/19.65571/99.14603) Hotel Chai Prakan Banai Resort · Si Dong Yen 3.9 km [Map](https://www.openstreetmap.org/?mlat=19.67207&mlon=99.14500#map=17/19.67207/99.14500) Mall เทสโก้ โลตัส เอ็กเพรส ไชยปราการ · Pong Tam 10 km [Map](https://www.openstreetmap.org/?mlat=19.73482&mlon=99.14196#map=17/19.73482/99.14196) School อบต.ศรีดงเย็น อำเภอไชยปราการ จังหวัดเชียงใหม่ · Si Dong Yen 2.5 km [Map](https://www.openstreetmap.org/?mlat=19.65153&mlon=99.14604#map=17/19.65153/99.14604) College กศน.ตำบลแม่งอน · Mae Sun 18 km [Map](https://www.openstreetmap.org/?mlat=19.80409&mlon=99.15298#map=17/19.80409/99.15298) Police station ด่านผาหงษ์ อ.ฝาง จ.เชียงใหม่ · Si Dong Yen 5.4 km [Map](https://www.openstreetmap.org/?mlat=19.61524&mlon=99.12772#map=17/19.61524/99.12772) Source: [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/). Straight-line distance from the centre of the division, within 40 km. ## Hospitals, banks and other services in Si Dong Yen Places mapped inside Si Dong Yen in open map data, by type. - Hospitals6 - Petrol pumps8 - Hotels11 - Schools4 - Restaurants33 - Police stations1 Source: [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/). Coverage depends on what has been mapped; contact details are not shown. ## Other subdistricts in Chai Prakan - Mae Thalop - Nong Bua - Pong Tam ## Quick answers - Where is Si Dong Yen?In Chai Prakan, Chiang Mai Province, Thailand - What borders Si Dong Yen?Mae Thalop, Mueang Na, Nong Bua, Ping Khong, Pong Tam, San Sai, Si Thoi and Tha Ko - What is there to see in Si Dong Yen?Hinoki Land, Kolak Thai Date Farm - What time zone is Si Dong Yen in?UTC+7 - What currency is used in Si Dong Yen?Baht (THB) - What language is spoken in Si Dong Yen?Thai, English (main languages nationally) - How many villages are in Si Dong Yen?39 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Si Dong Yen?Settlements lie between 500 m and 1,265 m - How many reservoirs and tanks are in Si Dong Yen?4 named in GeoNames - What is the highest point in Si Dong Yen?Doi Khun Fang (1,377 m, GeoNames elevation model) - What is the best time to visit Si Dong Yen?October to April - Where is the nearest hospital to Si Dong Yen?ด่านตรวจผาหงส์ ต.ศรีดงเย็น อ.ไชยปราการ จ.เชียงใหม่, about 3.4 km from the centre - Where is the nearest bank to Si Dong Yen?ธนาคารออมสิน สาขาไชยปราการ, about 9.5 km from the centre - Where is the nearest ATM to Si Dong Yen?Atm ธนาคารกรุงไทย สาขาไชยปราการ, about 11 km from the centre - Where is the nearest petrol pump to Si Dong Yen?PTT LPG Station, about 2.6 km from the centre - How many hospitals are in Si Dong Yen?6 mapped - How many petrol pumps are in Si Dong Yen?8 mapped - What is the P-code of Si Dong Yen?TH502102 (OCHA common operational dataset)