The biscuit basin is a geothermal area. Large and small gap springs and hot springs. The air smells of sulfur nets. The best look is the sapphire pool sapphire pool, which is large in size. As its name, the magic gem blue. The forest behind the biscuit basin has trails. You can hike to the top of the mountain or the river. The Black Sand Basin is next to the Biscuit Basin. It's interesting to see many hot springs that are open like pots. The whole area is transpirational.