Vietnam, Thua Thien – Hue Prov., Huong Thuy Distr., Duong Hoa Municipality, Huong Thuy forest enterprise territory, around point 16°13′20′'N, 107°34′23′'E at elevation about 820 m a.s.l. along Mang Chan ridge.
Fractionally logged primary closed evergreen broad-leaved forest along tops of ridge composed with rocky quartzite outcrops.