Sagana is a small commercial metropolis in Kirinyaga District, Central, Kenya. It is along the Nairobi-Nyeri dual carriageway, 100 kilometres north of Nairobi, the capital of Kenya. Its name comes from Kenya's 2nd longest river, Sagana River which is also called Thagana. The metropolis also inspired the rhumba song "Afro mtoto wa Sagana". The metropolis and its environment has a developing hospitality industry alongside the riverline of the River Sagana with cottages, water sports and different tourist sights being mounted.
Sagana is situated at the threshold of a big undeniable at the southern foot of Mt. Kenya. Soils had been formed on volcanic rocks from Mt. Kenya latest Pliocene to Pleistocene basalts, phonolites, and pyroclastics. In regions with unfastened drainage conditions on mild to steep slopes, lateritic and crimson to reddishbrown soils are present. Some regions with black cotton soils indicate that the soils have fashioned underneath restricted drainage situations, which might be the end result of low rainfall and the presence of stage to slight slopes.