There are many popular hiking trails in and around Flagstaff. One of those trails, completely underground, is considered a volcanic wonder. FOX 10's Danielle Miller reports.

Lava River Cave is located almost 20 miles northwest of downtown Flagstaff off of U.S. Route 180. Visiting is free. The cave is open year-round, but roads may be closed in winter due to inclement ...

The Lava River Cave northeast of Flagstaff is an ice box-like subway tunnel under the Cohonino National Forest with perfectly arched, sloping ceilings and a floor that ranges from brutally rocky ...

The Lava River Cave north of Flagstaff is 42 degrees year round. This popular destination is a natural lava tube cave that was formed by molten lava flows from nearby volcanoes over 700,000 years ago.

A 44-year-old man hiking in the Lava River Cave in Flagstaff was rescued on July 9 after he hurt his ankle near the end of the mile-long cave, according to the Coconino County Sheriff's Office. ...

FLAGSTAFF, Ariz. (KSAZ) - Located about 14 miles north of Flagstaff in the Coconino Forest is the Lava River Cave. Visitors come to explore the nearly mile-long cave that was formed more than ...

At approximately 2 p.m. on Monday, July 9, Coconino County Sheriff’s Search and Rescue, Guardian Medical Transport, and Ponderosa Fire District responded to an injured hiker in the Lava River ...

Lava. Pompeii? Sneaky, middle-of-the-night lava. Colliding continents are fine, but too big and too slow to appreciate, and erosion is hardly sexy. ... Flagstaff: hip with history ...

Tzion Maron, an 8-year-old boy was reported missing around 6:15 p.m. Wednesday after he became separated from his family at the Lava River Caves northwest of Flagstaff, according to the Coconino ...

TEST IMAGE: DO NOT USE TRAVEL FLAGSTAFF - Flagstaff and the San Francisco Volcanic Field in Northern Arizona. Pix of Lava River Cave; downtown Flagstaff; Wupatki National Monument. Flagstaff on 5 ...

Lava River Cave is 14 miles northwest of Flagstaff, Ariz. Brady Smith/U.S. Forest Service An 8-year-old boy who went missing at Arizona's Lava River Cave on Wednesday night has been found alive ...