The state of Goa has a total forest cover of more than 1,424 square kilometres, covering almost one-third of the total land area. Most of the forest land is located in the eastern region of the state. From moist mixed deciduous forests to subtropical hill forests, and from semi-evergreen to evergreen forests, the forests are the life-supporting systems of the state, as they are the storehouses of rivers, various ecosystems and a plethora of natural resources. The Mollem National Park in Sanguem, near the Karnataka border, is an important green cover. Goa primarily has a hot climate as it lies within the tropics and there is not much variation in temperature through the year. The state receives heavy rainfall from the south-west monsoon winds. The rainfall is more in the mountainous region than the coastal region.