Cajamarca is a city in Peru's northern highlands, in the Andes Mountains. Baroque colonial architecture surrounds the historic main square, Plaza de Armas.

Cajas National Park is located 30 km west of the city of Cuenca, capital of the province of Azuay.

Cambodia is a Southeast Asian nation whose landscape spans low-lying plains, the Mekong Delta, mountains and Gulf of Thailand coastline.

The Cape Winelands District Municipality, formerly the Boland District Municipality, is a district municipality located in the Boland region of the Western Cape province of South Africa. As of 2011, it had a population of 787,490.

Cappadocia, a semi-arid region in central Turkey, is known for its distinctive “fairy chimneys,” tall, cone-shaped rock formations clustered in Monks Valley, Göreme and elsewhere.

The Carpathian Mountains form a 1,500km-long-range in Central and Eastern Europe. They stretch west to east in an arc from the Czech Republic to Romania. The Tatra range between Slovakia and Poland is a national park and several peaks above 2,400mtr.

Carrauntoohil or Carrauntoohill is the highest mountain on the island of Ireland at 1,038.6 metres. It is on the Iveragh Peninsula in the Reeks District in County Kerry, close to the centre of Ireland's highest mountain range, MacGillycuddy's Reeks.

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.