The highest point in this woreda is Mount Wechacha, located in the southern part of the woreda. The Menagesha National Forest covers the southern and western slopes of this mountain; it is 2500 hectares in size. Other notable peaks include Mount Menagesha.
Based on figures published by the Central Statistical Agency in 2005, this woreda has an estimated total population of 161,117, of whom 81,470 were males and 79,647 were females; 52,252 or 32.43% of its population are urban dwellers, which is greater than the Zone average of 12.3%. With an estimated area of 736.88 square kilometers, Walmara has an estimated population density of 218.6 people per square kilometer, which is greater than the Zone average of 152.8.