The municipality of Morrinhos, according to the new Territorial Division of Brazil in Geographical regions, is an administrative unit that belongs to Microregion 015? Half Bridge. Is the Meia Ponte micro-region part of meso-region 05? South Goiano, located southeast of the capital of the State of Goiás between the coordinates of 17º30? 20 "at 18º05? 40" south latitude and 48º41? 08 "at 49º27? 34" west longitude. Its population was estimated at 36,942 inhabitants, according to the 2000 IBGE Census. Morrinhos has an excellent geographical location, it is right in the geographic center of the Meia Ponte micro-region, being very close to about 24 municipalities. It is interconnected via asphaltic to almost all the municipalities of its surroundings. The city is located at an altitude of 735 meters above the sea, and in the municipality the highest altitude does not exceed 800 meters. It has a mild and healthy climate, a humid tropical group. Less than 30% of the coverage is natural vegetable. According to IBGE sources, SMARH, Metago (1999), Morrinhos occupies an area of ​​2,846,156 km². In more than 50% of the area of ​​the municipality has potential for use with crops (agriculture), predominant associations of land favorable to use with crops and planted pastures.


Located at 771 m altitude, it has a mild and mild climate (tropical humid) and has a flat topography and undulating relief, with an average annual temperature of 20 ° C, mild and healthy, belonging to the tropical group humid the average temperature of the maximum and of 27 ° C from the minimum 18 ° C and compensated at 27 ° C. In May 2007 there was an official registry of INMET (National Institute of Meteorology) of 6.4 ° C.


The predominant flora in Morrinhos, as well as in all the territory of Goiás, is the Cerrado. This floristic formation is considered by international institutions and by science as the richest savannah on the planet. There are more than 10,000 plant species, of which 45% are exclusive to the Cerrado. In the original extension of the Cerrado of Goiás, species such as pequi, pau-santo, pau-doce, pau-d'arco, peroba-do-cerrado, sucupira-branco, sucupira-preta, tingui, jatobá, lobeira, casuarina, baru, barbatimão, caraiba, ipê-amarillo, jacaranda, captain of the field, among others. The beginnings of the municipality of Morrinhos boasted fields, forests of cerrados, sidewalks, ciliary forests, composing representatives of the rich diversity of species of the Cerrado. Nowadays, the region's flora has suffered from the extinction and genetic impoverishment, as in many other municipalities in the south of Goiás. The flora of the municipality, especially the riparian one, is extremely important for the maintenance environmental services such as groundwater retention.


It has the following forms of relief: Flat and smooth corrugated occupying an area of ​​1,126.25 km ², corresponding to 40%; Wavy and smooth wavy occupying an area of ​​526.35 km², 18.68%; Smooth corrugated occupying an area of ​​441.46 km², 15.67%; Smooth corrugated and undulating occupying an area of ​​307.66 km², 10.92%; Corrugated occupying an area of ​​281.03 km², 9.97%; Wavy and strongly undulating occupying an area of ​​69.20 km², 2.46%; Corrugated stronghold occupying an area of ​​63.67 km², 2.25%. The present use of the area of ​​the municipality is of 1,403,19 km ², 49,82% with predominance of pastures; 805.33 km², 28.59% with predominance of crops; 598.59 km², 21.26% with natural vegetation; 7.93 km², 0.28% urbanized area; 1, 52 km², 0.05% with others. The natural fertility of the soils is low occupying an area of ​​1,464.49 km², corresponding to 52% of the municipal area; Low and Average occupying an area of ​​777.99 km², 27.61%; Average to Higher Low occupying an area of ​​526.35 km², 18.68%; Average to High occupying an area of ​​46.79 km², 1.66%. Although not exploited, it has beryl, kaolin, chromite, talc, rutile, manganese, and clay, limestone and sand deposits. There are deer, pacas, caititus, among others the municipal rivers are very fishy.