From gently sloping at 0-3 percent or equivalent to 5,369.42 hectares to moderately sloping at 3-8 percent or a total of 1,059.40 hectares to rolling lands with slopes ranging from 8-18 percent which covers to about 1,716.94 hectares. A bigger portion is moderately steep with a slope distribution ranging from 18-30 percent having a total area of 19,419.42 hectares. However, large areas are steep and mountains with a slope of 30-50 percent, which accounts to 21,181.92 hectares, and to very steep hills and mountains with a slope of over 50 percent, which covers to about 3,246.90 hectares. Moderately large areas of flat land center on the different barrios. However, the southern part of the municipality is hilly. The Poblacion and the 12 barangays along the seashore are approximately 0-3 degrees above sea level.