With its iconic mountains, rivers, and coastline, it’s easy to overlook the adventure of discovering some of Oregon’s underground wonders. Oregon is home to some of the best examples of deep ...

Prior to the Lava Caves biome of the Fields of Mistria mines, the only pieces of equipment we’d really need to use were the pickaxe and sword. Once you get into this region after breaking the ...

Centuries of eruptions on the Big Island have created hidden networks of passages beneath volcanoes. In December 2016 a large lava delta formed by Kilauea volcano sank into the sea, exposing the ...

For decades, the Oregon Caves National Monument and Preserve has been Oregon’s quietest national park site, a remote destination at the end of a long, winding road in the southwest corner of the ...

Just north of the Deschutes County Fairgrounds, the Redmond Caves, a series of five caves administered by the Bureau of Land Management, can be explored in a ...

This popular cave hike requires visitors to make their way through small openings, crouch lower than 45 inches at times, and ...