Lava River Cave is an ancient lava tunnel that spans a large part of the Newberry National Volcanic Monument near Bend, Oregon.
Construction in Lava River Cave
![](https://discoveryourforest.org/wp-content/uploads/2021/02/LRC-Historic.jpg)
Lava River Cave is an ancient lava tunnel that spans a large part of the Newberry National Volcanic Monument near Bend, Oregon.