We were all very glad that we chose to take this tour. Our guide, Allysa was the best. She is a former park ranger and knew everything about the park, and answered all our questions. By the end of the trip, my dad remarked that she was like part of the family. She was also a great driver, knowing the roads like the back of her hand. The road through the area is very, very steep and winding. Do yourself a big favor and don't drive yourself or you will miss a lot. She took us to eat lunch next to a stream in a valley that looked like it was off of a postcard (see attached photo). It was a great experience and surpassed our expectations.