. Kaumana Caves are actually lava tubes created during a major eruption of Mauna Loa in 1881. Today the entire lava tube system extends for over 20 miles underground, though only a short portion is publicly accessible near the skylight openings. How far would you go? 🅿️Parking across the street 🚻Restrooms 🧺Picnic area No fees required. Free to public. Enter at own risk ⚠️ 🔦Headlamp or flashlight required 🥾Wear hiking boots or sturdy shoes 🧥Cave is cool and damp (but not cold) Bring water �