Cayambe (or Volcán Cayambe) is the name of a volcano located in the Cordillera Central, a range of the Ecuadorian Andes. It is located in Pichincha province some 70 km (43 mi) northeast of Quito. It is the third highest mountain in Ecuador.
Cayambe, which has a permanent snow cap, is a Holocene compound volcano which last erupted in March 1786. At 4,690 metres (15,387 ft) on its south slope is the highest point in the world crossed by the Equator and the only point on the Equator with snow cover. The volcano and most of its slopes are within the Cayambe Coca Ecological Reserve.