# Si Don Mun Subdistrict, Chiang Saen, Chiang Rai Province > Source: https://wherepedia.org/thailand/chiang-rai/chiang-saen/si-don-mun/ Subdistrict · Chiang Saen # Si Don Mun Si Don Mun is a subdistrict (tambon) of Thailand in Chiang Saen, Chiang Rai Province. It covers **62.8 km²**. 16 named villages and localities are recorded here, and 21 mapped services such as hospitals, banks and schools. - 62.8km² - 21mapped services - 378 mtypical elevation ## Where is Si Don Mun? Si Don Mun lies in [Chiang Saen](https://wherepedia.org/thailand/chiang-rai/chiang-saen/), [Chiang Rai Province](https://wherepedia.org/thailand/chiang-rai/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other subdistricts: [Ban Dai](https://wherepedia.org/thailand/chiang-rai/mae-sai/ban-dai/), [Chan Chawa](https://wherepedia.org/thailand/chiang-rai/mae-chan/chan-chawa/), [Ko Chang](https://wherepedia.org/thailand/chiang-rai/mae-sai/ko-chang/), [Pa Sak](https://wherepedia.org/thailand/chiang-rai/chiang-saen/pa-sak/), [Si Mueang Chum](https://wherepedia.org/thailand/chiang-rai/mae-sai/si-mueang-chum/) and [Wiang](https://wherepedia.org/thailand/chiang-rai/chiang-saen/wiang/). By area it is the 2569th largest of 7,425 subdistricts in Thailand. It covers 13.7% of [Chiang Saen](https://wherepedia.org/thailand/chiang-rai/chiang-saen/). The centre of Si Don Mun is about 735 km in a straight line from Bangkok, the capital. It is about 11 km from Chiang Saen, the main town of Chiang Saen. The centre point is at 20.3434° N, 100.0097° E. Local names: ศรีดอนมูล . Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha). ## Villages and localities in Si Don Mun Open gazetteers list **16 villages, towns and localities** in Si Don Mun. Settlements here lie between about 369 m and 660 m above sea level (median 378 m). - Ban Doi Sa-ngo Bon - Ban Doi Sa-ngo Klang - Ban Mae Kham Nam Lat - Ban Mae Ma - Ban Ngio Thao - Ban Nong Pla Sadet - Ban Pa Koi - Ban Pa Mai - Ban Pa Thon - Ban San Maitri - Ban San Sali - Ban San Ton Thong - Ban Si Bun Yuen - Ban Si Don Mun - Ban Wiang Kaeo - Ban Wieng Kaew 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 Don Mun Named natural and historic features inside Si Don Mun, from the GeoNames gazetteer. ### Water 1 river or stream. - Nam Mae Ma ### Hills and mountains 4 mountains. - Doi Sa-Ngo · 678 m - Doi Nong Khong · 495 m - Doi Phrathat · 475 m - Doi Kom · 427 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 Don Mun and the best time to visit Using the climate of Chiang Saen, the warmest month is Apr (average 27 °C) and the coolest is Dec (18 °C). About 1,153 mm of rain falls in a year; the wettest month is Aug (251 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 18 20 Feb 21 5 Mar 24 22 Apr 27 58 May 27 144 Jun 26 123 Jul 25 225 Aug 25 251 Sep 25 170 Oct 23 87 Nov 21 32 Dec 18 15 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Si Don Mun Need Nearest mapped Distance Hospital โรงพยาบาลส่งเสริมสุขภาพบ้านแม่คำ ต.ป่าสัก · Pa Sak 4.1 km [Map](https://www.openstreetmap.org/?mlat=20.30746&mlon=100.01848#map=17/20.30746/100.01848) Bank เวียงแก้วซิดตี้ · Si Don Mun 4.1 km [Map](https://www.openstreetmap.org/?mlat=20.37758&mlon=100.02316#map=17/20.37758/100.02316) ATM ธนาคารไทยพาณิชย์ · Wiang 11 km [Map](https://www.openstreetmap.org/?mlat=20.27393&mlon=100.08598#map=17/20.27393/100.08598) Petrol pump Fuel Station · Si Mueang Chum 6.4 km [Map](https://www.openstreetmap.org/?mlat=20.37151&mlon=99.95664#map=17/20.37151/99.95664) Hotel Hug House · Si Don Mun 1.1 km [Map](https://www.openstreetmap.org/?mlat=20.33952&mlon=100.01896#map=17/20.33952/100.01896) Mall เซเว่นเชียงแสน · Wiang 11 km [Map](https://www.openstreetmap.org/?mlat=20.27405&mlon=100.08328#map=17/20.27405/100.08328) School รร.อบต.ศรีดอนมูล - บ้านด้ายปาราษฎร์ดำรง · Si Don Mun 2.6 km [Map](https://www.openstreetmap.org/?mlat=20.35249&mlon=100.03255#map=17/20.35249/100.03255) College International Institute for Skill Development · Wiang 9.4 km [Map](https://www.openstreetmap.org/?mlat=20.29266&mlon=100.08166#map=17/20.29266/100.08166) Police station สถานีตำรวจภูธรเกาะช้าง · Ko Chang 5.0 km [Map](https://www.openstreetmap.org/?mlat=20.38777&mlon=100.00306#map=17/20.38777/100.00306) 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 Don Mun Places mapped inside Si Don Mun in open map data, by type. - Hospitals3 - Banks1 - Hotels6 - Schools3 - Restaurants8 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 Chiang Saen - Ban Saeo - Mae Ngoen - Pa Sak - Wiang - Yonok ## Quick answers - Where is Si Don Mun?In Chiang Saen, Chiang Rai Province, Thailand - What borders Si Don Mun?Ban Dai, Chan Chawa, Ko Chang, Pa Sak, Si Mueang Chum and Wiang - How many villages are in Si Don Mun?16 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Si Don Mun?Settlements lie between 369 m and 660 m - What is the highest point in Si Don Mun?Doi Sa-Ngo (678 m, GeoNames elevation model) - What is the best time to visit Si Don Mun?October to April - Where is the nearest hospital to Si Don Mun?โรงพยาบาลส่งเสริมสุขภาพบ้านแม่คำ ต.ป่าสัก, about 4.1 km from the centre - Where is the nearest bank to Si Don Mun?เวียงแก้วซิดตี้, about 4.1 km from the centre - Where is the nearest ATM to Si Don Mun?ธนาคารไทยพาณิชย์, about 11 km from the centre - Where is the nearest petrol pump to Si Don Mun?Fuel Station, about 6.4 km from the centre - How many hospitals are in Si Don Mun?3 mapped - How many banks are in Si Don Mun?1 mapped - What is the P-code of Si Don Mun?TH570804 (OCHA common operational dataset)