The Lava Tubes Flagstaff has to offer are one of the many volcanic wonders in Northern Arizona! Here's what to bring, how to get there, and everything else you need to know.

Summer in the Valley of the Sun can feel like summer on the surface of the sun, so we, along with hundreds of other Phoenicians, make the trek north to Flagstaff to escape the heat. It was during a …

Sep 29, 2025 · Recreation Region: Flagstaff Ranger District Lava River Cave This mile-long lava tube cave was formed roughly 700,000 years ago by molten rock that erupted from a volcano in nearby …

The entrance to the cave is around 14 miles (23 km) west of Flagstaff, Arizona. Being in Coconino National Forest, the cave is managed by the United States Forest Service.

The Flagstaff Lava River Caves were formed nearly 700,000 years ago during a volcanic eruption from a nearby volcanic vent. As molten lava flowed, the outer layer cooled and hardened, while the inner …

Jun 17, 2024 · It’s hard to imagine but in Flagstaff, Arizona we can hike to and explore a remarkable remnant of Arizona’s past at the Lava River Cave Trail. This fascinating lava cave (also known as a …

Mar 31, 2025 · Visiting the Lava River Cave near Flagstaff is a unique adventure, which will bring you underground into a natural volcanic tunnel. The lava tube runs nearly a mile underground. It was …

2 days ago · You can see volcanoes and cinder cones all over the Flagstaff area, from SP Crater and Sunset Crater to the vast caldera of the San Francisco Peaks. This lava tube provides another …

The Lava River Cave, in the Coconino National Forest near Flagstaff, Arizona, is a mile-long lava tube formed around 700,000 years ago. With a steady temperature of 35–40°F year-round, it offers a cool …

One such tube is the Coconino Lava River Cave in the Coconino National Forest, near Flagstaff, Arizona. The cave is massive – big enough for a person to walk through with dozens of feet...