Lava River Cave is located almost 20 miles northwest of downtown Flagstaff off of U.S. Route 180. Visiting is free. Although the cave is open year-round, roads may close in winter, particularly in ...

While Arizona is famous for its stunning landscapes ... fs.usda.gov. This milelong lava tube north of Flagstaff formed about 700,000 years ago. During a volcanic eruption, flowing lava solidified ...

Hike through a tube where lava once flowed 700,000 years ago in the Lava River Cave. You will have to ... beginner terrain in the southwest. Flagstaff, AZ is home to some amazing family-friendly ...

Several national monuments are located within the forest, such as the Sunset Crater National Monument, and top attractions, such as the Lava River Cave and the Arizona Snowbowl. Past visitors ...