# Ou Mreah Commune, Siem Bouk, Stung Treng Province – Villages > Source: https://wherepedia.org/cambodia/stung-treng/siem-bouk/ou-mreah/ Commune · Siem Bouk # Ou Mreah Ou Mreah is a commune (khum or sangkat) of Cambodia in Siem Bouk, Stung Treng Province. It covers **100.3 km²**. 1 named village or locality is recorded here. - 100km² - 48 mtypical elevation ## Where is Ou Mreah? Ou Mreah lies in [Siem Bouk](https://wherepedia.org/cambodia/stung-treng/siem-bouk/), [Stung Treng Province](https://wherepedia.org/cambodia/stung-treng/), [Cambodia](https://wherepedia.org/cambodia/). It borders 6 other communes: [Boeng Char](https://wherepedia.org/cambodia/kratie/sambour/boeng-char/), [Kaoh Preah](https://wherepedia.org/cambodia/stung-treng/siem-bouk/kaoh-preah/), [Ou Krieng](https://wherepedia.org/cambodia/kratie/sambour/ou-krieng/), [Ou Ruessei Kandal](https://wherepedia.org/cambodia/stung-treng/siem-bouk/ou-ruessei-kandal/), [Siem Bouk](https://wherepedia.org/cambodia/stung-treng/siem-bouk/siem-bouk/) and [Srae Krasang](https://wherepedia.org/cambodia/stung-treng/siem-bouk/srae-krasang/). By area it is the 419th largest of 1,633 communes in Cambodia. It covers 6.9% of [Siem Bouk](https://wherepedia.org/cambodia/stung-treng/siem-bouk/). The centre of Ou Mreah is about 225 km in a straight line from Phnom Penh, the capital. The centre point is at 13.2800° N, 106.0034° E. Source: [Department of Geography of the Ministry of Land Management, Urbanization and Construction in 2008, WFP via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-khm). ## Things to see in and around Ou Mreah ### Nearby, outside Ou Mreah - Prey Lang · attraction, Ou Krieng7.6 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: Ou Mreah - Time zoneUTC+7, no daylight saving · Asia/Phnom_Penh - CurrencyRiels (KHR) - Country calling code+855 - LanguagesKhmer, French, English - Plug typesType A, C, G · 230 V - Driving sideRight - Postcode format6 digits (######) ### Nearest airports - Siem Reap-Angkor International Airport (SAI) · Siem Reap193 km - Pakse International Airport (PKZ) · Pakse208 km ### Daylight Days are longest in Jun (about 12.9 hours, sunrise around 05:28) and shortest in Dec (about 11.3 hours, sunrise around 06:10, sunset around 17:31). 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 Ou Mreah Open gazetteers list **1 village, town or locality** in Ou Mreah. - Ou Chralang 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 Ou Mreah Named natural and historic features inside Ou Mreah, from the GeoNames gazetteer. ### Water 1 river or stream. - Preaek Chralang Thum ### Coast and islands 5 islands. - Kaôh Chrœ̆m - Kaôh Chvéa Mala - Kaôh O Kêv - Kaôh Ta Ké - Kaôh Tbong Khla ### Hills and mountains 1 hill. - Phnum Beng · 136 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 Ou Mreah and the best time to visit Using the climate of Siem Bouk, the warmest month is Apr (average 31 °C) and the coolest is Dec (26 °C). About 1,086 mm of rain falls in a year; the wettest month is Aug (212 mm) and the driest Feb (3 mm). The most comfortable months for a visit are **October to January**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 26 3 Feb 28 3 Mar 30 20 Apr 31 48 May 30 113 Jun 28 156 Jul 27 208 Aug 27 212 Sep 27 199 Oct 27 93 Nov 27 23 Dec 26 7 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Ou Mreah Need Nearest mapped Distance Bank Acleda Bank · Stueng Traeng 28 km [Map](https://www.openstreetmap.org/?mlat=13.52748&mlon=105.97099#map=17/13.52748/105.97099) Petrol pump Tela Station · Ou Krieng 14 km [Map](https://www.openstreetmap.org/?mlat=13.24276&mlon=106.12709#map=17/13.24276/106.12709) Hotel Mekong Guesthouse · Stueng Traeng 27 km [Map](https://www.openstreetmap.org/?mlat=13.51557&mlon=105.96390#map=17/13.51557/105.96390) Mall Reach Both Mart · Stueng Traeng 28 km [Map](https://www.openstreetmap.org/?mlat=13.53015&mlon=105.96864#map=17/13.53015/105.96864) School UWS School · Siem Bouk 9.8 km [Map](https://www.openstreetmap.org/?mlat=13.20279&mlon=105.95981#map=17/13.20279/105.95981) College Stung Treng Regional Teacher Training Center · Stueng Traeng 27 km [Map](https://www.openstreetmap.org/?mlat=13.52318&mlon=105.97031#map=17/13.52318/105.97031) Police station ស្នងការដ្ឋាននគរបាលខេត្តស្ទឹងត្រែង · Stueng Traeng 27 km [Map](https://www.openstreetmap.org/?mlat=13.52196&mlon=105.96628#map=17/13.52196/105.96628) 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. ## Other communes in Siem Bouk - Kaoh Preah - Kaoh Sampeay - Kaoh Sralay - Ou Ruessei Kandal - Siem Bouk - Srae Krasang ## Quick answers - Where is Ou Mreah?In Siem Bouk, Stung Treng Province, Cambodia - What borders Ou Mreah?Boeng Char, Kaoh Preah, Ou Krieng, Ou Ruessei Kandal, Siem Bouk and Srae Krasang - What is there to see in Ou Mreah?Prey Lang - What time zone is Ou Mreah in?UTC+7 - What currency is used in Ou Mreah?Riels (KHR) - What language is spoken in Ou Mreah?Khmer, French, English (main languages nationally) - How many villages are in Ou Mreah?1 named settlements (GeoNames, OpenStreetMap) - What is the highest point in Ou Mreah?Phnum Beng (136 m, GeoNames elevation model) - What is the best time to visit Ou Mreah?October to January - Where is the nearest bank to Ou Mreah?Acleda Bank, about 28 km from the centre - Where is the nearest petrol pump to Ou Mreah?Tela Station, about 14 km from the centre - What is the P-code of Ou Mreah?KH190204 (OCHA common operational dataset)