# Thalwatta GN division, Biyagama DS Division, Gampaha District > Source: https://wherepedia.org/sri-lanka/western/gampaha/biyagama/thalwatta/ Grama Niladhari division · Biyagama DS Division # Thalwatta Thalwatta is a Grama Niladhari (GN) division of Sri Lanka in Biyagama DS Division, Gampaha District, Western Province. It covers **0.95 km²**. 2 named villages and localities are recorded here, and 2 mapped services such as hospitals, banks and schools. - 0.9km² - 2mapped services - 13 mtypical elevation ## Where is Thalwatta? Thalwatta lies in [Biyagama DS Division](https://wherepedia.org/sri-lanka/western/gampaha/biyagama/), [Gampaha District](https://wherepedia.org/sri-lanka/western/gampaha/), [Western Province](https://wherepedia.org/sri-lanka/western/), [Sri Lanka](https://wherepedia.org/sri-lanka/). It borders 5 other GN divisions: [Ambathale](https://wherepedia.org/sri-lanka/western/colombo/kolonnawa/ambathale/), [Bollegala](https://wherepedia.org/sri-lanka/western/gampaha/biyagama/bollegala/), [Gonawala Central](https://wherepedia.org/sri-lanka/western/gampaha/biyagama/gonawala-central/), [Gonawala West](https://wherepedia.org/sri-lanka/western/gampaha/biyagama/gonawala-west/) and [Kelanimulla](https://wherepedia.org/sri-lanka/western/colombo/kolonnawa/kelanimulla/). By area it is the 10405th largest of 14,043 GN divisions in Sri Lanka. It covers 1.6% of [Biyagama DS Division](https://wherepedia.org/sri-lanka/western/gampaha/biyagama/). The centre of Thalwatta is about 10 km in a straight line from Colombo, the commercial capital. The centre point is at 6.9491° N, 79.9404° E. Local names: තල්වත්ත . Source: [Survey Department of Sri Lanka via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-lka). ## Villages and localities in Thalwatta Open gazetteers list **2 villages, towns and localities** in Thalwatta. - Talwatta - Thalwatte 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). ## Weather in Thalwatta and the best time to visit Using the climate of Gampaha District, the warmest month is Apr (average 28 °C) and the coolest is Jan (25 °C). About 1,999 mm of rain falls in a year; the wettest month is Nov (304 mm) and the driest Feb (71 mm). The most comfortable months for a visit are **January to March and July to August**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 25 76 Feb 26 71 Mar 27 115 Apr 28 226 May 27 224 Jun 27 143 Jul 26 99 Aug 26 113 Sep 26 162 Oct 26 292 Nov 26 304 Dec 26 175 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Nearest hospital, bank and fuel from Thalwatta Need Nearest mapped Distance Hospital General Hospital Colombo · Ambathale 0.9 km [Map](https://www.openstreetmap.org/?mlat=6.94139&mlon=79.93958#map=17/6.94139/79.93958) Bank Business Development Cooperative Society · Malgama 1.6 km [Map](https://www.openstreetmap.org/?mlat=6.93628&mlon=79.93459#map=17/6.93628/79.93459) ATM HNB · Sinharamulla North 2.4 km [Map](https://www.openstreetmap.org/?mlat=6.95320&mlon=79.91872#map=17/6.95320/79.91872) Petrol pump Lanka Filling Station · Welivita 1.5 km [Map](https://www.openstreetmap.org/?mlat=6.93760&mlon=79.94813#map=17/6.93760/79.94813) Hotel Grand Arena Hotel · Welivita 1.7 km [Map](https://www.openstreetmap.org/?mlat=6.93818&mlon=79.95066#map=17/6.93818/79.95066) Mall Shades · Kotikawatta East 3.1 km [Map](https://www.openstreetmap.org/?mlat=6.93487&mlon=79.91651#map=17/6.93487/79.91651) School Bollegala Maha Vidyalayaa · Bollegala 1.0 km [Map](https://www.openstreetmap.org/?mlat=6.94440&mlon=79.94815#map=17/6.94440/79.94815) College NIIBS Campus · Bollegala 1.2 km [Map](https://www.openstreetmap.org/?mlat=6.94603&mlon=79.95068#map=17/6.94603/79.95068) Police station Police Station Kelaniya · Kelaniya 2.5 km [Map](https://www.openstreetmap.org/?mlat=6.95033&mlon=79.91758#map=17/6.95033/79.91758) 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 Thalwatta Places mapped inside Thalwatta in open map data, by type. - Restaurants2 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 GN divisions in Biyagama DS Division - Athurumulla - Biyagama East - Biyagama North - Biyagama South - Biyagama West - Bollegala - Daranagama - Delgoda - Galedanda - Gonawala Central - Gonawala East - Gonawala West - Heiyanthuduwa East - Heiyanthuduwa North - Heiyanthuduwa South - Heiyanthuduwa West - Ihala Biyanvila Central - Ihala Biyanvila North - Kammalwatta - Kanduboda East - Kanduboda West - Mabima East - Mabima West - Makola North Central - Makola North Ihala - Makola North Pahala - Makola South Ihala - Makola South Pahala - Malwana Town - Mawaramandiya - Meegahawatta East - Meegahawatta West - Pahala Biyanvila Central - Pahala Biyanvila East - Pahala Biyanvila West - Pamunuvila - Pattivila North - Pattivila South - Sapugaskanda - Siyambalape North - Siyambalape South - Siyambalape Watta - Ulahitiwala - Walgama East - Walgama West - Yabaraluwa North - Yabaraluwa South - Yatihena ## Quick answers - Where is Thalwatta?In Biyagama DS Division, Gampaha District, Western Province, Sri Lanka - What borders Thalwatta?Ambathale, Bollegala, Gonawala Central, Gonawala West and Kelanimulla - How many villages are in Thalwatta?2 named settlements (GeoNames, OpenStreetMap) - What is the best time to visit Thalwatta?January to March and July to August - Where is the nearest hospital to Thalwatta?General Hospital Colombo, about 0.9 km from the centre - Where is the nearest bank to Thalwatta?Business Development Cooperative Society, about 1.6 km from the centre - Where is the nearest ATM to Thalwatta?HNB, about 2.4 km from the centre - Where is the nearest petrol pump to Thalwatta?Lanka Filling Station, about 1.5 km from the centre - What is the P-code of Thalwatta?LK1239205 (OCHA common operational dataset)