# Mount Katmai

- **Country:** United States
- **Coordinates:** 58.278611, -154.956917
- **Part:** Katmai National Park and Preserve
- **Topo:** USGS Mount Katmai B-3
- **Type:** Stratovolcano
- **Range:** Aleutian Range
- **State:** Alaska
- **Country:** United States
- **Map Size:** 270
- **Formed By:** Subduction zone volcanism
- **Part Type:** Protected area
- **Elevation Ft:** 6715
- **Volcanic Arc:** Aleutian Arc
- **Easiest Route:** Basic snow/ice climb
- **Last Eruption:** June 6-9, 1912
- **Prominence Ft:** 2391

Mount Katmai is a large dormant stratovolcano (composite volcano) on the Alaska Peninsula in southern Alaska, located within Katmai National Park and Preserve. It is about in diameter with a central lake-filled caldera about in size, formed during the Novarupta eruption of 1912. The caldera rim reaches a maximum elevation of . In 1975 the surface of the crater lake was at an elevation of about , and the estimated elevation of the caldera floor is about .

![Photo of Mount Katmai](https://upload.wikimedia.org/wikipedia/commons/1/1e/Katmai_Crater_1980.jpg)

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