# Lava River Cave

- **Country:** United States
- **Access:** Public
- **Length:** 5211 ft
- **Caption:** High arched ceiling in Lava River Cave
- **Geology:** Basalt of Bend
- **Location:** Deschutes County, Oregon, United States
- **Photo Caption:** Entrance to Lava River Cave
- **Entrance Count:** 2

The Lava River Cave near Bend, Oregon, is part of the Newberry National Volcanic Monument, which is managed by the United States Forest Service. At in length, the northwest section of the cave is the longest continuous lava tube in Oregon. While the cave's discovery in 1889 was officially credited to a pioneer hunter, the presence of obsidian flakes near the cave has led archaeologists to conclude that Native Americans knew about the cave long before settlers arrived in central Oregon.

![Photo of Lava River Cave](https://upload.wikimedia.org/wikipedia/commons/a/a0/Lava_river_cave_oregon.jpg)

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