# Ol Kalou Constituency, Nyandarua County – Villages & Map > Source: https://wherepedia.org/kenya/nyandarua/ol-kalou/ Constituency · Nyandarua County # Ol Kalou Ol Kalou is a constituency of Kenya in Nyandarua County. It covers **287.2 km²**. Its main town is Ol Kalou. 10 named villages and localities are recorded here, and 35 mapped services such as hospitals, banks and schools. - 287km² - 35mapped services - 2,495 mtypical elevation ## Where is Ol Kalou? Ol Kalou lies in [Nyandarua County](https://wherepedia.org/kenya/nyandarua/), [Kenya](https://wherepedia.org/kenya/). It borders 4 other constituencies: [Gilgil](https://wherepedia.org/kenya/nakuru/gilgil/), [Kipipiri](https://wherepedia.org/kenya/nyandarua/kipipiri/), [Ndaragwa](https://wherepedia.org/kenya/nyandarua/ndaragwa/) and [Ol Jorok](https://wherepedia.org/kenya/nyandarua/ol-jorok/). By area it is the 198th largest of 290 constituencies in Kenya. It covers 8.8% of [Nyandarua County](https://wherepedia.org/kenya/nyandarua/). The centre of Ol Kalou is about 120 km in a straight line from Nairobi, the capital. The centre point is at 0.3085° S, 36.3573° E. Source: [IEBC via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-ken). ## Things to see in and around Ol Kalou ### Nearby, outside Ol Kalou - View on lake · viewpoint, Gilgil14 km - Kariandusi Museum · museum, Gilgil18 km - Upper Lake view stp · viewpoint, Gilgil20 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: Ol Kalou - Time zoneUTC+3, no daylight saving · Africa/Nairobi - CurrencyShilling (KES) - Country calling code+254 - LanguagesEnglish, Swahili - Plug typesType G · 240 V - Driving sideLeft - Postcode format5 digits (#####) ### Nearest airports - Nanyuki Civil Airport (NYK) · Gathiuru81 km - Nairobi Wilson Airport (WIL) · Nairobi124 km ### Nearest railway station Ol Kalou (Ol Kalou), about 4.7 km from the centre. ### Daylight Days are longest in Dec (about 12.1 hours, sunrise around 06:25) and shortest in Jul (about 12.1 hours, sunrise around 06:37, sunset around 18:43). 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 Ol Kalou Open gazetteers list **10 villages, towns and localities** in Ol Kalou. The largest with a recorded population: Ol Kalou (47,795) and Ol Kalau South Settlement (13,234). Settlements here lie between about 2,348 m and 2,667 m above sea level (median 2,495 m). - Captain - Gatarwa - Githima - Mawingo - Munyeki - Ol Kalau South Settlement - Ol Kalou - Oleolondo - Passenga Settlement - Silanga Settlement 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 Ol Kalou Named natural and historic features inside Ol Kalou, from the GeoNames gazetteer. ### Water 9 rivers and streams. - Dundori - Gilgil - Kaimbaga - Karindo - Nyambugi - Oleolondo - Simba - Simba - Wanjohi ### Getting around 2 railway stations; 2 bridges. - Jaffa Bridge - Ol Kalau Station - Oleolondo - Simba Bridge 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 Ol Kalou and the best time to visit In Ol Kalou, the warmest month is Mar (average 17 °C) and the coolest is Jul (14 °C). About 1,233 mm of rain falls in a year; the wettest month is Apr (206 mm) and the driest Feb (39 mm). The most comfortable months for a visit are **December to March and June to October**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 16 54 Feb 17 39 Mar 17 105 Apr 16 206 May 15 149 Jun 15 82 Jul 14 68 Aug 14 89 Sep 15 85 Oct 16 115 Nov 16 146 Dec 16 95 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Ol Kalou Need Nearest mapped Distance Hospital Ol Kalou General Hospital · Ol Kalou 6.2 km [Map](https://www.openstreetmap.org/?mlat=-0.25578&mlon=36.37480#map=17/-0.25578/36.37480) Bank Kenya Women Microfinance Bank · Ol Kalou 4.3 km [Map](https://www.openstreetmap.org/?mlat=-0.27543&mlon=36.37716#map=17/-0.27543/36.37716) ATM Barclays · Nakuru Town East 32 km [Map](https://www.openstreetmap.org/?mlat=-0.28434&mlon=36.07150#map=17/-0.28434/36.07150) Petrol pump Rubis · Ol Kalou 4.0 km [Map](https://www.openstreetmap.org/?mlat=-0.34085&mlon=36.37236#map=17/-0.34085/36.37236) Hotel White Springs Hotel · Ol Kalou 4.2 km [Map](https://www.openstreetmap.org/?mlat=-0.27653&mlon=36.37785#map=17/-0.27653/36.37785) Mall Tumaini Shopping Centre · Ol Jorok 9.3 km [Map](https://www.openstreetmap.org/?mlat=-0.25908&mlon=36.28987#map=17/-0.25908/36.28987) School Mukenya Primary School · Ol Kalou 1.9 km [Map](https://www.openstreetmap.org/?mlat=-0.29220&mlon=36.35203#map=17/-0.29220/36.35203) College National Defense University · Bahati 22 km [Map](https://www.openstreetmap.org/?mlat=-0.28653&mlon=36.16270#map=17/-0.28653/36.16270) Police station Ol Kalou Police Station · Ol Kalou 4.4 km [Map](https://www.openstreetmap.org/?mlat=-0.27443&mlon=36.37696#map=17/-0.27443/36.37696) 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 Ol Kalou Places mapped inside Ol Kalou in open map data, by type — each number opens the full list with locations. - Hospitals1 - Banks4 - Petrol pumps7 - Hotels6 - Schools15 - Restaurants1 - 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 constituencies in Nyandarua County - Kinangop - Kipipiri - Ndaragwa - Ol Jorok ## Quick answers - Where is Ol Kalou?In Nyandarua County, Kenya - What borders Ol Kalou?Gilgil, Kipipiri, Ndaragwa and Ol Jorok - What is there to see in Ol Kalou?View on lake, Kariandusi Museum, Upper Lake view stp - What time zone is Ol Kalou in?UTC+3 - What currency is used in Ol Kalou?Shilling (KES) - What language is spoken in Ol Kalou?English, Swahili (main languages nationally) - How many villages are in Ol Kalou?10 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Ol Kalou?Settlements lie between 2,348 m and 2,667 m - What is the best time to visit Ol Kalou?December to March and June to October - Where is the nearest hospital to Ol Kalou?Ol Kalou General Hospital, about 6.2 km from the centre - Where is the nearest bank to Ol Kalou?Kenya Women Microfinance Bank, about 4.3 km from the centre - Where is the nearest ATM to Ol Kalou?Barclays, about 32 km from the centre - Where is the nearest petrol pump to Ol Kalou?Rubis, about 4.0 km from the centre - How many hospitals are in Ol Kalou?1 mapped - How many banks are in Ol Kalou?4 mapped - How many petrol pumps are in Ol Kalou?7 mapped - What is the P-code of Ol Kalou?KE018091 (OCHA common operational dataset)