This rugged lava tube south of Bend drops into near-total darkness, offering a self-guided descent through rocky terrain.

TEMPORARILY CLOSED

Status: Open Now

• Monday: Open 24 hours
• Tuesday: Open 24 hours
• Wednesday: Open 24 hours
• Thursday: Open 24 hours
• Friday: Open 24 hours
• Saturday: Open 24 hours
• Sunday: Open 24 hours