# Khuan Si Subdistrict, Ban Na San, Surat Thani Province > Source: https://wherepedia.org/thailand/surat-thani/ban-na-san/khuan-si/ Subdistrict · Ban Na San # Khuan Si Khuan Si is a subdistrict (tambon) of Thailand in Ban Na San, Surat Thani Province. It covers **44.5 km²**. 14 named villages and localities are recorded here, and 17 mapped services such as hospitals, banks and schools. - 44.5km² - 17mapped services - 19 mtypical elevation ## Where is Khuan Si? Khuan Si lies in [Ban Na San](https://wherepedia.org/thailand/surat-thani/ban-na-san/), [Surat Thani Province](https://wherepedia.org/thailand/surat-thani/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other subdistricts: [Khlong Prap](https://wherepedia.org/thailand/surat-thani/ban-na-san/khlong-prap/), [Namphu](https://wherepedia.org/thailand/surat-thani/ban-na-san/namphu/), [Phru Phi](https://wherepedia.org/thailand/surat-thani/ban-na-san/phru-phi/), [Phuang Phromkhon](https://wherepedia.org/thailand/surat-thani/khian-sa/phuang-phromkhon/), [Tha Chi](https://wherepedia.org/thailand/surat-thani/ban-na-san/tha-chi/) and [Wiang Sa](https://wherepedia.org/thailand/surat-thani/wiang-sa/wiang-sa/). By area it is the 3780th largest of 7,425 subdistricts in Thailand. It covers 5.8% of [Ban Na San](https://wherepedia.org/thailand/surat-thani/ban-na-san/). The centre of Khuan Si is about 576 km in a straight line from Bangkok, the capital. It is about 12 km from Ban Na San, the main town of Ban Na San. The centre point is at 8.7136° N, 99.3021° E. Local names: ควนศรี . 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 Khuan Si Open gazetteers list **14 villages, towns and localities** in Khuan Si. Settlements here lie between about 15 m and 31 m above sea level (median 19 m). - Ban Don Sai - Ban Khok Riang - Ban Khuan Maha Chai - Ban Khuan Niang - Ban Khuan Phru Phi - Ban Khuan Si - Ban Khuan Wat - Ban Mo Ket - Ban Na Nok - Ban Phru Phi Lip - Ban Prachon - Ban Tha Chi - Ban Thung Thue - Ban Wang Yai 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 Khuan Si Named natural and historic features inside Khuan Si, from the GeoNames gazetteer. ### Water 2 rivers and streams. - Khlong Phrong - Khlong Sun 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 Khuan Si and the best time to visit Using the climate of Ban Na San, the warmest month is Apr (average 28 °C) and the coolest is Jan (25 °C). About 2,329 mm of rain falls in a year; the wettest month is Nov (320 mm) and the driest Feb (31 mm). The most comfortable months for a visit are **February to March**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 25 123 Feb 26 31 Mar 27 110 Apr 28 104 May 28 217 Jun 27 221 Jul 26 223 Aug 26 216 Sep 26 264 Oct 26 276 Nov 26 320 Dec 25 224 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Khuan Si Need Nearest mapped Distance Hospital รพ.สต.ควนศรี · Khuan Si 1.3 km [Map](https://www.openstreetmap.org/?mlat=8.70286&mlon=99.30772#map=17/8.70286/99.30772) Bank ธนาคารเพื่อการเกษตรและสหกรณ์การเกษตร สาขาย่อยควนสามัคคี · Phuang Phromkhon 8.4 km [Map](https://www.openstreetmap.org/?mlat=8.69648&mlon=99.22739#map=17/8.69648/99.22739) ATM บริษัท เจ. ยู. เอ็น เอ็กซ์เพรส จำกัด สาขา1 · Khuan Suban 18 km [Map](https://www.openstreetmap.org/?mlat=8.86762&mlon=99.36218#map=17/8.86762/99.36218) Petrol pump ปั้มเอสโซ่ บ้านนาสาร · Khuan Si 3.6 km [Map](https://www.openstreetmap.org/?mlat=8.72584&mlon=99.33263#map=17/8.72584/99.33263) Hotel บ้านสวนเฟิร์นสาย&cactus · Khuan Si 1.5 km [Map](https://www.openstreetmap.org/?mlat=8.70618&mlon=99.31367#map=17/8.70618/99.31367) Mall ตลาดรุ่งเรืองพลาซ่า · Wiang Sa 10 km [Map](https://www.openstreetmap.org/?mlat=8.63323&mlon=99.34703#map=17/8.63323/99.34703) School โรงเรียนบ้านควนเนียง สพป.สุราษฎร์ธานี · Phru Phi 4.1 km [Map](https://www.openstreetmap.org/?mlat=8.72807&mlon=99.33609#map=17/8.72807/99.33609) College โรงเรียนบ้านห้วยล่วง · Phru Phi 6.8 km [Map](https://www.openstreetmap.org/?mlat=8.68182&mlon=99.35493#map=17/8.68182/99.35493) Police station สภ.ท่าชี · Namphu 5.9 km [Map](https://www.openstreetmap.org/?mlat=8.76678&mlon=99.30536#map=17/8.76678/99.30536) 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 Khuan Si Places mapped inside Khuan Si in open map data, by type. - Hospitals2 - Petrol pumps6 - Hotels2 - Schools1 - Restaurants6 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 Ban Na San - Khlong Prap - Khuan Suban - Lamphun - Na San - Namphu - Phoem Phun Sap - Phru Phi - Tha Chi - Thung Tao - Thung Tao Mai ## Quick answers - Where is Khuan Si?In Ban Na San, Surat Thani Province, Thailand - What borders Khuan Si?Khlong Prap, Namphu, Phru Phi, Phuang Phromkhon, Tha Chi and Wiang Sa - How many villages are in Khuan Si?14 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Khuan Si?Settlements lie between 15 m and 31 m - What is the best time to visit Khuan Si?February to March - Where is the nearest hospital to Khuan Si?รพ.สต.ควนศรี, about 1.3 km from the centre - Where is the nearest bank to Khuan Si?ธนาคารเพื่อการเกษตรและสหกรณ์การเกษตร สาขาย่อยควนสามัคคี, about 8.4 km from the centre - Where is the nearest ATM to Khuan Si?บริษัท เจ. ยู. เอ็น เอ็กซ์เพรส จำกัด สาขา1, about 18 km from the centre - Where is the nearest petrol pump to Khuan Si?ปั้มเอสโซ่ บ้านนาสาร, about 3.6 km from the centre - How many hospitals are in Khuan Si?2 mapped - How many petrol pumps are in Khuan Si?6 mapped - What is the P-code of Khuan Si?TH841206 (OCHA common operational dataset)