Thurston Lava Tube (Nāhuku) Leave a Comment / By gstuppy / August 26, 2026 Overview: A short, easy walk through a genuine lava tube — a natural tunnel formed by flowing lava that later drained out, leaving a walkable cave-like passage. Link Posts: Parks: Hawaiʻi Volcanoes National Park Get Itineraries Spot Category: Hiking TrailSpot Tags: Family-Friendly Hiking History & Culture Scenic DifficultyDistanceElevation GainCrowd LevelDurationAccessibilityEasy0.4 miles round trip Minimal Iconic20 Previous Next National Parks Map Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. Products by Category Take me to our Parks Tote Bag $27.99 Add to cart View cart Previous Page 1 2 3 4 SHOP ALL DESIGNS