plant, collected in ponds created in lava fields. the water is said to be helpful for skin conditions, and just generally a nice experience. it is a very popular place, and one needs reservations to go. at check in, a wrist band is provided which is used to open and lock a locker, and also to pay for food or drink. the water is hot, but not too hot, and there are multiple connected pools to explore, as well as a bar in one of the pools from which to order a drink.
some of our group, with their silica face paint on.
it is a very high-style place, with a fancy 