
About Us
From Volcanoes National Park and black sand beaches to lush rainforests and scenic coastal drives, we provide unforgettable experiences that help visitors discover the very best of the Big Island.
Embark on an extraordinary journey with Hawaii Geo Tours and experience the raw power of nature through our volcanic tour. Our tours offer a comfortable and personalized way to explore Hawaii Island with knowledgeable local guides who share the stories, culture, and unique landscapes that make this island so special. With over 4,000 square miles of stunning landscapes to explore, from arid lava fields to massive volcanic formations, pristine beaches to tropical rainforests, and rolling green hills, you’ll be amazed by the breathtaking sights on this Pacific paradise. Our exclusive day tour guarantees you’ll get up close and personal with everything that makes the Big Island truly special, and uniquely Hawaiian. Don’t settle for anything less than an unforgettable adventure with Hawaii Geo Tours.


Erik
Erik has spent much of his career exploring the outdoors and working throughout the world before making Hawaii home. His passion for adventure, travel, and sharing the island’s incredible landscapes inspired him to help create Hawaii Geo Tours. Erik enjoys helping visitors experience the beauty, history, and unique character of the Big Island through unforgettable day-long adventures.

David
David joined Hawaii Geo Tours in 2022 and brings years of guiding experience from both Hawaii and Rocky Mountain National Park. Having lived and worked across several continents, David loves sharing the stories, history, wildlife, and natural beauty that make Hawaii so special. His goal is to ensure every guest leaves with lasting memories of their time on the Big Island
With exclusive access to unparalleled insight and knowledge, our private tours are designed to showcase the island’s most breathtaking sights and hidden gems, leaving you with memories to last a lifetime.
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JaneAnn
This tour ticks off a lot of tourist sights and David does the driving and sprinkles in some interesting facts.
Beautiful day with good people. David was a great fun guide. This tour ticks off a lot of tourist sights and David does the driving and sprinkles in some interesting facts. Thank you, David and Eric

S.H.
Best Island Tour!
A must tour experience! Such an incredible day. What is unique about This tour, is how much you learn about the island formation and the flexibility in where he takes you! We traveled with friends and booked the VIP tour…if you can swing it, definitely put Geotours on your itinerary! Erik will not disappoint. You can see that he is passionate about the island and what he does. Mingled well with our group, lots of laughs, great energy and had a BLAST!!!

Bill M
If you're staying in Kona and want a world-class experience, book David. He truly made our vacation unforgettable!
Our family (including two teenagers, ages 17 and 12) had an absolutely incredible day exploring Volcanoes National Park with David. If you are looking for a guide who combines deep scientific knowledge with a genuine passion for the island, David is the gold standard. His background in geology and botany turned the landscape into a living storybook. He didn't just show us the sights; he explained the 'why' and 'how' behind the volcanic formations in a way that kept both of our boys totally engaged. Beyond his superior expertise, David is just a fun-loving person to be around. He shared wonderful stories that gave us a real feel for the culture and history of Hawaii, and he went above and beyond to tailor the day so we could truly appreciate the most dramatic views. He made what could have been a long day of driving feel like an effortless, awesome adventure. If you're staying in Kona and want a world-class experience, book David. He truly made our vacation unforgettable!

Suzanne H
Well worth the time and money
David was an outstanding host and tour guide. He was very knowledgeable and entertaining. I highly recommend this tour. You will see a ton, learn a lot about the island and enjoy a delicious lunch.

Nichole T
GEO TOURS was easy to work with, exceptionally attentive response time to communication all questions prior to our trip.
GEO TOURS was easy to work with, exceptionally attentive response time to communication all questions prior to our trip. The cost of ANY tour and ALL tours are high in Hawaii- but for what you receive on this trip I felt that they were priced correctly in their marketplace. We stopped at interesting locations along the way: All of the ones they indicated and nothing felt like a big sales pitch anywhere which was great. If you are traveling with children be aware this is a LONG all day tour. If you're a car-sick kinda person like me - come prepared! I hate being loopy, but that's what I sacrifice to be with our whole group. Take your Bonine people! Our tour guide for our party of nine was Dave. Great guy! Knowledge, kind, engaging and obviously done this sort of thing a lot. I was a bit bummed we didn't get one of the actual geologists (as we were traveling with my brother who IS a geologist and when booking with Erik I mistakening thought he would be our tour guide that day. I knew it wasn't a private tour, and now I kind of wish I would have booked a private tour. We were so fortunate that the family we traveled with had delightful children and easy to combine our group with. What I realize in hindsight, is that it would be worth paying the price for private and having a little more wiggle room for our personal group. We were four adults and five siblings; 20,17,15,11,9. Dave on his own as a travel guide and driver was helpful, efficient, a gracious island host and very easy to be around. He didn't make up anything and was not grandiose; as some guides tend to be know-it-all-junkies. THANKS Dave for your kindness to our whole family. Thank you GEO Tours. The family voted you as their favorite vacation activity.

Mary W
Great knowledge of the area and everything about the volcano.
Went on a day tour to volcano with Grant. He had great knowledge of the area and everything about the volcano. It was definitely a 5 star service! One of the best tour I’ve had. Totally worth it.

Bogdan
Will do again with them next time in Hawaii big island.
We did the volcano tour and it was enjoyable! Very small group, only 4, which was a plus. David was knowledgeable and he entertained the atmosphere. OK lunch provided . Snake and drinks also available throughout the day. Will do again with them next time in Hawaii big island.

Denise F
Tour lasted about 11 hours, excellent lunch.
David was wonderful. Tour lasted about 11 hours, excellent lunch. Plenty of bathroom stops along the way. Highly recommend

Jim D
Very knowledgeable on the geology and the history of the islands, and made the trip enjoyable and interactive.
David was a consummate professional. Very knowledgeable on the geology and the history of the islands, and made the trip enjoyable and interactive. It was a very long day for him and he was gracious and polite. This was a great tour. Call him Superman!

Isaac O
Fantastic Tour
Amazing tour! Our guide Dave was absolutely fantastic, very knowledgeable and funny, kept everyone entertained over the trip.