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Topographically, Tulungagung is located above the sea level. The northwest part of Tulungagung is a portion of Wilis-Liman mountain range; the central part is lowland; the southern part is portion of rocky Kapur Kidul mountain range which is also an enormous source of marble. 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.