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Indian Tunnel
Being the largest lava tube in the caves area, Indian Tunnel is over 30 feet high, 50 feet wide, and approximately 800 feet long. Indian Tunnel contains many of the features common to all lava tubes. On the ceiling of the tube you can see lava stalactites formed as the river of lava pulled away from the ceiling, and molten material began to drip from the hot ceiling.
Large eruptions that produce massive lava flows also produce lava tubes to move this great volume of lava away from the vent and out onto the plain. Rivers of pahoehoe quickly crust over, insulating the hot fluid lava beneath, which continues to flow. Lava tube caves are left behind as the eruption subsides and the lava drains from beneath the hardening crust. The lava tubes in the caves area were all formed during the same eruption of the Blue Dragon Flow.
Being the largest lava tube in the caves area, Indian Tunnel is over 30 feet high, 50 feet wide, and approximately 800 feet long. Indian Tunnel contains many of the features common to all lava tubes. On the ceiling of the tube you can see lava stalactites formed as the river of lava pulled away from the ceiling, and molten material began to drip from the hot ceiling.
Large eruptions that produce massive lava flows also produce lava tubes to move this great volume of lava away from the vent and out onto the plain. Rivers of pahoehoe quickly crust over, insulating the hot fluid lava beneath, which continues to flow. Lava tube caves are left behind as the eruption subsides and the lava drains from beneath the hardening crust. The lava tubes in the caves area were all formed during the same eruption of the Blue Dragon Flow.