# Chachani

- **Country:** Peru
- **Coordinates:** -16.183333, -71.516667
- **Type:** Volcanic complex
- **Elevation M:** 6057
- **Parent Peak:** Huascaran
- **Prominence M:** 1976
- **Last Eruption:** Unknown

The volcanic complex is formed mainly by aa and block lava flows that rarely reach lengths of about ; additionally, pyroclastic flows and tephra occur. The volcanic complex covers an area of about and has a present-day volume of about ; this makes Chachani one of the largest volcanoes of the Andes. Glacial erosion and landslides have affected the volcanic complex, forming cirques and U-shaped valleys and removing much of the original shape of the individual volcanoes. Some moraines have been overrun by lava flows.

![Photo of Chachani](https://upload.wikimedia.org/wikipedia/commons/b/b1/Mount_Chachani%2C_Arequipa%2C_Peru_001.jpg)

**Source:** https://en.wikipedia.org/wiki/Chachani (Wikipedia, CC BY-SA)