# Cave of Swallows

- **Country:** Mexico
- **Access:** No restrictions to view entrance; permit required to descend
- **Length:** VR = 515 mEntrance pit:
- **Hazards:** Free fall
- **Location:** Aquismón, San Luis Potosí, Mexico
- **Discovery:** 27 December 1966
- **Photo Caption:** A flock of conures in the Cave of Swallows

The Cave of Swallows, also called the Cave of the Swallows , is an open-air pit cave in the municipality of Aquismón, San Luis Potosí, Mexico. The elliptical mouth, on a slope of karst, is wide and is undercut around all of its perimeter, widening to a room approximately wide.

![Photo of Cave of Swallows](https://upload.wikimedia.org/wikipedia/commons/4/42/Cotorras-de-cueva.jpg)

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