It covers an area of approximately 213.0134 km2 (82.24493 mi2), with about 113.7175 km2 (43.90657 mi2) identified as part of the critical watershed area declared under Presidential Decree 127, issued on June 29, 1987 (Muleta-Manupali Watershed).

The area of the Kalatungan Mountain Range falls under the Type III climate which is characterized as having a short dry season lasting only one to three months and no very pronounced maximum rainy period.

Also found in the vicinity of the mountain range are streams that flow through waterfalls, cascades and rapids.

The mountain range exhibits a radial drainage pattern.

Indigenous Manobo and Talaandig people live in the mountain range and consider it part of their ancestral lands.