What is Boulder Mountain Guest Ranch? Boulder Mountain Guest Ranch is located inside the Grand Staircase-Escalante National Monument and has its own trail system. There's a main lodge and cottages, but glampers should look at Boulder Mountain's Mongolian yurts. Each yurt features a queen-size and twin bed (some have kings and extra twins), as well as a primitive kitchen with a microwave, toaster oven, small fridge, and...