 In the northwest part of Tulungagung, specifically in Sendang Subdistrict, there is Mount Wilis (), the highest point in Tulungagung Regency.In the capital of Tulungagung, there is Ngrowo River, subpart of Brantas River and it divides the capital of Tulungagung into northern part and southern part.Climate

Tulungagung regency has a tropical climate.