Cayambe is an agricultural service city in highland Ecuador. It lies at the foot of the Cayambe volcano. While the city is mainly peopled by mestizos.

The Ceahlău Massif is one of the most famous mountains of Romania. It is part of the Bistriţa Mountains range of the Eastern Carpathians division, in Neamţ County, in the Moldavia region. The two most important peaks are Toca and Ocolaşul Mare.

Cerro Negro de Mayasquer is a volcano on the border of Colombia and Ecuador. It lies 3 kilometres (2 mi) north-west of the volcano Chiles, and the two peaks are considered part of the same Chiles-Cerro Negro volcanic complex.

Cerro Bonete is a mountain in the north of the province of La Rioja, Argentina, near the provincial border with Catamarca. Its summit is 6,759 m above mean sea level, making it the fifth-highest separate mountain in the Americas.

Cerro de Punta or just Cerro Punta is the highest peak in Puerto Rico, rising to 1,338 meters above sea level. The mountain is part of the Cordillera Central and is located in the municipality of Ponce.

Tronador is an extinct stratovolcano in the southern Andes, located along the border between Argentina and Chile, near the Argentine city of Bariloche. The mountain was named Tronador by locals in reference to the sound of falling seracs.

Chacaltaya is a mountain in the Cordillera Real, one of the mountain ranges of the Cordillera Oriental, itself a range of the Bolivian Andes. Its elevation is 5,421 meters.

The Cherangany Hills are a range of hills in the western highlands of Kenya. The hills are one of Kenya's five main forests and catchment areas. The hills reach 3,365 m at Cheptoket Peak in the north-central section.

Chimborazo is a currently inactive stratovolcano in the Cordillera Occidental range of the Andes. Its last known eruption is believed to have occurred around 550 A.D.

Chiriquí is a province in western Panama bordering Costa Rica and the Pacific Ocean. In the northern Chiriquí Highlands is Parque Nacional Volcán Barú, named for a volcano that's Panama's highest peak.