Reserva Natural Volcán Cosigüina has 3 named peaks. The highest is Volcán Cosigüina at 871 m. Other notable peaks include Güina and Loma San Juan.
There are 3 named mountains in Reserva Natural Volcán Cosigüina. The highest and the most prominent mountain is Volcán Cosigüina.

The highest peak in Reserva Natural Volcán Cosigüina is Volcán Cosigüina, at 871 m.
Notable peaks in Reserva Natural Volcán Cosigüina include Volcán Cosigüina, Güina and Loma San Juan.
