There are four (4) types of soil in this municipality. These are: Kabacan Clay, Kudarangan Clay, San Manuel Silty Clay Loam and Hydrosol. Kabacan Clay Loam is about 12,397.500 hectares or 37.52% of the municipal land area. These are the soils at the central portion or at the heart of the municipality. Kudarangan Clay Loam is found in slightly rolling to hilly terrain or at the north-eastern barangays. This soil type occupies the 24.24 percent of the municipal area or 8,010.00 hectares. San Manuel Silty Clay Loam is located at barangays Upper Labas, Nalin and portions of barangay Villarica. This occupies an area of 1,980 hectares. Hydrosol type has an area of 10,651.2869 hectares or 33.24 percent of the municipal area. Of the total land area of the municipality, 73.79 percent or 24,376.2869 hectares has a slope of 0–3 percent. These areas are located at the western and southern part of the municipality. These are mostly the irrigable rice lands. The Northeastern barangays, a portion of Central Bulanan are hilly with slopes with 3-8% with a total area of 6,525.0 hectares. Highest slopes of 8–18% percent are situated at the boundary of barangays Nabalawag and Kadingilan and a portion of Central Bulanan. This has a total land area of 2,137.5 hectares. Midsayap is characterized as plain to hilly terrain. Gently rolling to hilly areas are located on the Northeastern portion specifically at barangays - Kiwanan, Kimagango, Anonang, Malamote, Upper Bulanan and Milaya. A portion of Kadingilan and Nabalawag has a hilly portion at their boundaries. All barangays on the western portion which is cut by the National Highway from Poblacion to Dulawan is plain and is presently planted with irrigated rice and other crops. The southern most barangays are marshy being located along the Rio Grande de Mindanao. Midsayap was derived from a native term which means (Mid) Center and (Sayap) Hat. Midsayap means a hat at the center – just like a hill centrally located at the Municipality which slopes through the plains in a shape of a hat.