This was the experience of a lifetime. Our guide, Gregory, was safe and knowledgeable and kind. This trip is a great learning experience and will take your breath away. It's a bit expensive, but it's completely worth it if you are into astronomy. This company is professional and goes the extra mile to make sure you are taken care of... More

This guided tour up to the summit of Mauna Kea was a great experience and well worth the price. We were picked up at a bakery just a few minutes away from our hotel in Kailua-Kona, and loaded onto a small bus for the journey up the mountain. Our guide, Meesh, was incredibly knowledgeable and friendly -- you learn a... More

This is a once and forever event, and Summit does an excellent job. The price is a bit steep, but not as steep as the drive back down. You do get your money's worth. I've driven several scary mountain drives in my travels, and although this is doable in your own vehicle, you'll be glad you let someone else drive... More

If you are in the big island you have to visit this place. The tour is very expensive and if you have jeep you can do it for free.. There is explanations about the stars and the place but I think that this is not something that you can can find in the net The Gide is good but I... More

everything was perfect the guide was cheerful and very interesting the meal was delicious and good quality everthing was ground well, security and very instructive I recommand

This is an expensive excursion, but really worthwhile. Meesh was our interpretive guide. She was full of knowledge and information that enhanced our experience. Meesh knows a lot about the island and volcanic activity, flora etc etc. We saw 3 of the elusive nehne, who appeared on cue when Meesh mentioned them. On the way to the top, we stopped... More

I took the Mauna Kea Summit Adventures tour on the 22nd of April. Without a doubt, it was one of the most incredible things I have ever done. Our guide, Meesh was informative, funny and a font of information. I don't know how she keeps all that info straight!! The other guide, Chris, was brilliant in his description of the... More

Excellent tour of Keck Observatory (and the Island in general). We may have gotten a bit lucky w/ the guides (and the weather) but if you're at all into astronomy, physics, geology, or anything science I think this tour is well worth the (not insubstantial) cost. Our tour guide (Chris) was a walking encyclopedia.. despite a nonstop barrage of questions... More

We both thought this was the best tour of our 5 day Hawaiian trip. Going up with a guide, Meesh, who explained every awesome thing we saw. ..ex.. cinder cones, exotic ahinahina silver plants and the area where astronauts practice with moon rovers! At the summit and visitor center, you see thousands of stars/complete constellations which they point out with... More