# San Sai Subdistrict, Mae Chan, Chiang Rai Province – Villages > Source: https://wherepedia.org/thailand/chiang-rai/mae-chan/san-sai/ Subdistrict · Mae Chan # San Sai San Sai is a subdistrict (tambon) of Thailand in Mae Chan, Chiang Rai Province. It covers **37.9 km²**. 15 named villages and localities are recorded here, and 22 mapped services such as hospitals, banks and schools. - 37.9km² - 22mapped services - 403 mtypical elevation ## Where is San Sai? San Sai lies in [Mae Chan](https://wherepedia.org/thailand/chiang-rai/mae-chan/), [Chiang Rai Province](https://wherepedia.org/thailand/chiang-rai/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other subdistricts: [Chom Sawan](https://wherepedia.org/thailand/chiang-rai/mae-chan/chom-sawan/), [Mae Chan](https://wherepedia.org/thailand/chiang-rai/mae-chan/mae-chan/), [Pa Sang](https://wherepedia.org/thailand/chiang-rai/mae-chan/pa-sang/), [Si Kham](https://wherepedia.org/thailand/chiang-rai/mae-chan/si-kham/) and [Tha Khao Plueak](https://wherepedia.org/thailand/chiang-rai/mae-chan/tha-khao-plueak/). By area it is the 4318th largest of 7,425 subdistricts in Thailand. It covers 5.1% of [Mae Chan](https://wherepedia.org/thailand/chiang-rai/mae-chan/). The centre of San Sai is about 716 km in a straight line from Bangkok, the capital. It is about 5.6 km from Mae Chan, the main town of Mae Chan. The centre point is at 20.1667° N, 99.9019° E. Local names: สันทราย . 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 San Sai Open gazetteers list **15 villages, towns and localities** in San Sai. Settlements here lie between about 388 m and 410 m above sea level (median 403 m). - Ban Chom Chan - Ban Den (2) - Ban Doi - Ban Doi Sang - Ban Doi To - Ban Dong - Ban Dong Suwan - Ban Khilek - Ban Laeo - Ban Lao Pa Nat - Ban Mai (1) - Ban Pong Luk - Ban Sansai - Ban Thung Ngio - San Sai 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 San Sai Named natural and historic features inside San Sai, from the GeoNames gazetteer. ### Water 1 river or stream. - Nam Laeo ### Hills and mountains 4 mountains. - Doi Pae Wiang Hao · 522 m - Doi San Chom · 511 m - Doi Pa Pao · 452 m - Doi Lo · 443 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 San Sai and the best time to visit Using the climate of Mae Chan, the warmest month is Apr (average 28 °C) and the coolest is Dec (19 °C). About 1,327 mm of rain falls in a year; the wettest month is Aug (284 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 19 Feb 22 5 Mar 25 26 Apr 28 72 May 27 178 Jun 27 141 Jul 26 245 Aug 25 284 Sep 25 210 Oct 24 99 Nov 22 34 Dec 19 15 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from San Sai Need Nearest mapped Distance Hospital รพ.สต สันทราย อำเภอแม่จัน จังหวัดเชียงราย · San Sai 2.4 km [Map](https://www.openstreetmap.org/?mlat=20.18276&mlon=99.88682#map=17/20.18276/99.88682) Bank ธนาคารกรุงไทย สาขาแม่จัน · Mae Chan 4.8 km [Map](https://www.openstreetmap.org/?mlat=20.15310&mlon=99.85854#map=17/20.15310/99.85854) ATM ATM ธนาคาร กรุงไทย · Mae Chan 5.3 km [Map](https://www.openstreetmap.org/?mlat=20.14794&mlon=99.85576#map=17/20.14794/99.85576) Petrol pump Bangchak · San Sai 3.5 km [Map](https://www.openstreetmap.org/?mlat=20.16615&mlon=99.86794#map=17/20.16615/99.86794) Hotel ขุนเขาม่านฟ้ารีสอร์ท · San Sai 0.7 km [Map](https://www.openstreetmap.org/?mlat=20.17305&mlon=99.90106#map=17/20.17305/99.90106) Mall เซเว่นธนาคารออมสินแม่จัน · Mae Chan 5.6 km [Map](https://www.openstreetmap.org/?mlat=20.14549&mlon=99.85294#map=17/20.14549/99.85294) School San Sai School · San Sai 2.6 km [Map](https://www.openstreetmap.org/?mlat=20.18803&mlon=99.89070#map=17/20.18803/99.89070) College คุมองแม่จัน ใกล้โรงเรียนอนุบาลอำพร · Mae Chan 5.7 km [Map](https://www.openstreetmap.org/?mlat=20.14269&mlon=99.85353#map=17/20.14269/99.85353) Police station ตำรวจทางหลวง · Mae Chan 4.6 km [Map](https://www.openstreetmap.org/?mlat=20.15658&mlon=99.85951#map=17/20.15658/99.85951) 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 San Sai Places mapped inside San Sai in open map data, by type. - Hospitals3 - Petrol pumps1 - Hotels5 - Schools1 - Restaurants12 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 Mae Chan - Chan Chawa - Chan Chawa Tai - Chom Sawan - Mae Chan - Mae Kham - Mae Rai - Pa Sang - Pa Tueng - Si Kham - Tha Khao Plueak ## Quick answers - Where is San Sai?In Mae Chan, Chiang Rai Province, Thailand - What borders San Sai?Chom Sawan, Mae Chan, Pa Sang, Si Kham and Tha Khao Plueak - How many villages are in San Sai?15 named settlements (GeoNames, OpenStreetMap) - What is the elevation of San Sai?Settlements lie between 388 m and 410 m - What is the highest point in San Sai?Doi Pae Wiang Hao (522 m, GeoNames elevation model) - What is the best time to visit San Sai?October to April - Where is the nearest hospital to San Sai?รพ.สต สันทราย อำเภอแม่จัน จังหวัดเชียงราย, about 2.4 km from the centre - Where is the nearest bank to San Sai?ธนาคารกรุงไทย สาขาแม่จัน, about 4.8 km from the centre - Where is the nearest ATM to San Sai?ATM ธนาคาร กรุงไทย, about 5.3 km from the centre - Where is the nearest petrol pump to San Sai?Bangchak, about 3.5 km from the centre - How many hospitals are in San Sai?3 mapped - How many petrol pumps are in San Sai?1 mapped - What is the P-code of San Sai?TH570705 (OCHA common operational dataset)