# Punyelroo Cave

- **Country:** Australia
- **Length:** 3 kilometres (1.86 mi)
- **Geology:** Miocene sandstone
- **Location:** Punyelroo, South Australia, Australia
- **Elevation:** 8 metres (26 ft)

Punyelroo Cave is a horizontal solution cave extending for approximately three kilometres (1.86&nbsp;mi) into a Miocene sandstone cliff on the banks of the Murray River in South Australia, five kilometres (3.11&nbsp;mi) south of Swan Reach. It is the longest cave on the river system.

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