We took our tour with Gentry and had a really amazing experience! Gentry is so knowledgeable and shared so many interesting facts about the geology, indigenous people, animals, plants and so much more. It was really clear that she's passionate about the park in the way that she spoke about it and make the knowledge easy to digest. She went above and beyond to make sure we had a great time. We went to so many amazing spots like the Rainbow curve, Alpine Visitor center, and Horseshoe valley. I was originally on the fence about booking a tour vs. trying to go on our own, but I 10/10 would recommend taking this tour especially if you're not from the area because it adds so much more than you would get from driving around yourself (not to mention not having to navigate, wait in line or drive around bikers on the mountains which Gentry was an expert at). If you have the time, the 8 hour tour gives you a lot of space to see the park and take in all that it has to offer.