If you like exploring caves and/or volcanology, do not miss the chance to tour the lava tube with Harry. Unbelievable to spend a few hours underground in a lava tube. He is extremely knowledgeable with regard to tube structure, formation, etc. Make sure you are comfortable underground and using ladders. More

Our family loved the tour of Kazumura Cave. Harry was a wonderful guide and was very knowledgable. If there was a question or two he didn't know how to answer, he was very honest about it and sincere that he'd look it up for future tours. We did the tour prior to touring Volcano National Park and were glad we... More

No visit to Kiluea is complete until you see the result of the lava flows from underground. Kazumura cave tours owner/operator Harry offer a pristine view af an incredible lave tube system. He as gone through great lengths to preserve and present a lava tube that is almost as it was formed. He is very knowledgeable and articulate and if... More

If you enjoy experiencing something truly unique, and away from the usual busloads of tourists, this is a must-do. I was the only guest for Guide Harry. Equipped with helmets and a hand-carried electric lantern as the only sources of light, we spent 2+ hours strolling the pristene underground. I learned a tremendous amount about lava tubes in an up-close... More

If you like caving, this one is really fun. The property owner knows a lot about the cave and takes you through the most interesting parts. It was a good mix of physical effort, sightseeing, and education. More

Judging by past reviews, when we got to Hilo, this was one of our first stops. Harry is extremely knowledgeable and very accomodating. The tour was astounding as to what you will learn and see. This is a must see ! More

My boyfriend and I visited the Big Island over Thanksgiving weekend, and we took a cave tour with Harry. We had such a great experience, and learned so much! Our tour guide, Harry, was VERY passionate about caving, and knows so much. He was able to answer all of our questions, and even gave us more information after that. Harry's... More

We took the 2 hour tour with Harry, beginning at an opening on his property. He had modifed that part of the cave to make it easily negotiable by the able-bodied. Harry had also cleared the floor of loose rocks in many places. At first I thought this detracted from the natural state, but it soon became clear that Harry... More

Great for older children to climb through a lava tube, and learn about it 's formation More