Location & size

The Municipality lies between latitude 7º 19´N and 7º 35´N and longitudes 2º 08´ W and 2º 31´ W.  It shares boundaries with Wenchi Municipal to the north, Offinso North District to the east, Sunyani Municipal to the south, Berekum East Municipal to the west, Dormaa Central Municipal, Dormaa East District to the south-west and Tain District to the north-west. With a total land area of 1,059.33square kilometres, the District occupies 4.2 percent of the total land area of the region.

Topology & drainage

The topography of the Municipality can be described generally as undulating. The area lies within heights ranging from 700 feet (213.36 metres) along River Bisi basin to 1100 feet (335.28 metres) above sea level. The drainage is best described as dendritic with several streams and rivers being seasonal ones.

The River Tano provides the most reliable source of water for both domestic and agricultural uses in the lean season. Other rivers found in the district include: River Abisu, River Sise, River Nyinahini, River Ahunyan, River Bisi, River Bore, among others.

Climate & vegetation

The climatic zone of Sunyani West Municipality falls within the Wet Semi-Equatorial region and therefore has two rainy seasons in a year. The major rains begin in April and end in July and the minor rainy season is from September to October. Average annual rainfall is about 170cm. The dry season often lasts for five months (between November and mid-March) each year. The abundance of rainfall offers the Municipality a comparative advantage in agricultural production and forestry.

Vegetation

The Municipality falls within the moist-semi deciduous forest vegetation zone. The forest reserves in the Municipality are Tain 1, Tain11 and Yaya forest reserves. This is seen in Fig 1.2 below. The forest zones contain timber, wild life, herbs and other valuable resources. Timber species found in the Municipality are Odum, Mahogany, Wawa, Oframo, Teak, Kyenkyen, Sapele, Amire, Asanfra and Onyina.

Some crops that are cultivated in the Municipality include Cassava, Plantain, Cashew nut, Palm oil, Cocoyam, Maize, etc. However in recent times, the forest is being depleted trough human activities such as agricultural activities, bush fires, indiscriminate felling of trees and settlement expansion and the approaching Sahara desert.

Geology & soil

The Sunyani West Municipality is underlain by the precambian formation of rock believed to be rich in mineral deposits. Soils in the Municipality fall into the Ochrosols group which is generally fertile and therefore support the cultivation of cocoyam, maize, cassava, cocoa, plantain and yam.

There is also widespread production of legumes, rice and vegetables in areas rich in alluvial soil. The Municipality has an extensive clay deposit which is being extracted for the production of bricks, tiles, cooking utensils and other ceramics.  There are prospects of Gold and other minerals around Chiraa.