Lava River Cave, part of the Newberry National Volcanic Monument, offers self-guided exploration of a mile-long lava tube. The cave was one of the first lava tubes to be discovered in Oregon …

This mile-long lava tube cave was formed roughly 700,000 years ago by molten rock that erupted from a volcanic vent in nearby Hart Prairie. The top, sides and bottom of the flow cooled and …

One of these wonders includes the Lava River Cave in Flagstaff, which was formed by molten rock that erupted from a volcanic vent near Hart Prairie. As the lava flowed from the vent, the …

2024年8月1日 · I visited Lava River Cave as part of my trip to Newberry National Volcanic Monument in Bend. Being formed by lava flow, this cave is an unusual attraction compared to …

2023年8月18日 · Just outside of Bend, Oregon, an enormous lava tube extends over a mile underground, at one point passing 80 feet below US-97. Formed by ancient basaltic lava …

Lava River Cave offers self-guided exploration of a mile-long lava tube. It takes approximately 1.5 hours to tour the entire cave. Initial access descends 150 stairs to an uneven floor and can be …

Hikers can make the two-mile (round-trip) trek between early May and mid-September and walk through the fascinating cave by taking a few sets of stairs, following a boardwalk, and …

One is Lava River Cave, the longest known lava tube in Oregon; steps take visitors 150 feet down to the floor of a smooth-walled cavern, which may be followed for nearly a mile.

2019年3月28日 · Located approximately a mile from Lava Butte, Lava River Cave is a lava tube formed by volcanic activity about 80,000 years ago. The cave is the longest known lava tube in …

2012年2月13日 · The Lava River Cave, located 12 miles (19 kilometer) south of Bend on the east side of Highway 97 and part of the Newberry National Volcanic Monument, is a prime example …