Our family of 4 are planning our first trip to Yellowstone the first week of September. We will in the park starting September 1st and leaving September 6th. We are planning to fly in and out of Bozeman but are flexible on this. Due to limited availability, we are left with a two-room cabin w/o bathroom ensuite at Mammonth Hot Springs Hotel & Cabin which I have booked. As background, I am 30 years old, my sister is 21, and parents are in their early 60s and moderately active.
Our can't miss places are Lamar Valley, the Canyons, and Old Faithful. I know these places are spread throughout the park. Is it feasible to go to all these places with a base at Mammonth or should I be persistent in trying to get a room at Old Faithful Inn for part of the trip? We want to minimize driving time as much as possible but I wouldn't mind driving 3-4 hours roundtrip one or two days of our trip, at most.
Also, has anyone stayed at the two-room cabin at Mammonth? If so, what was your experience like?