Geographic Size and Location
The Municipality of Lupao is situated at the northern tip of Nueva Ecija and about one hundred seventy five kilometers (175kms) from Manila, one hundred ten kilometers (110kms) from Baguio City and about seventy four kilometers (74kms) from Palayan City, the provincial capital.
It is bounded in the North by Umingan, Pangasinan, on the South by San Jose City, on the West by Muņoz and on the East by Carranglan.
Lupao, Nueva Ecija has a total land area of 17,378 hectares or equivalent to 173.78 sq. kms. It comprises twenty four (24) Barangays, of which four (4) barangays are classified as Urban namely, Poblacion North, Poblacion South, Poblacion East and Poblacion West and the rest of the barangays are considered as Rural areas.
Lupao belongs to the first type of climate in the Philippines. This type of climate has two (2) pronounced seasons: dry from the month of November to April and Wet during the rest of the year. This type of climate is typically hot, humid and tropical and is generally affected by the neighboring topography and the prevalent wind direction that varies within the year.
There are three (3) classifications or types of soil in Lupao: First is the Annam Clay Loam which is found mostly in the mountain hills and uplands of Namulandayan, San Isidro, Burgos, Balbalungao, San Roque and Santo Domingo. The second type is the Umingan Silt Loam. This is the type that is prevalent along the base of mountain and it is characterized by the accumulation of gravel and stones as result of erosion. The third type is the Maligaya Clay Loam that is found mainly at the western part of the municipality but occupies the smallest area.