Geography of Trinidad and Tobago passage. Trinidad is traversed by three distinct mountain ranges that are a continuation of the Venezuelan coastal cordillera. The Northern Range, an outlier of the Andes Mountains of Venezuela, consists of rugged hills that parallel the coast. This range rises into two peaks. The highest, El Cerro del Aripo, is high; the other, El Tucuche, reaches . The Central Range extends diagonally across the island and is a low-lying range with swampy areas rising to rolling hills; its maximum elevation is . The Caroni Plain, composed of alluvial sediment, extends southward, separating the Northern Range and Central Range. The Southern
Entiat Mountains stretch south to the Columbia River between the mouths of the Entiat and Wenatchee Rivers. The northern end the Entiat Range merges with the northern end of the Chelan Mountains. Most of the range is within Wenatchee National Forest. The northern end is part of the Glacier Peak Wilderness. The highest peak of the Entiat Mountains is Mount Fernow, at . Other major peaks include Seven Fingered Jack, Mount Maude, Copper Peak, Dumbell Mountain, Spectacle Buttes, and Buckskin Mountain. All these peaks are over and the three highest are over . They are all located in the northern part of