I did this trail on New Year’s Eve day with Rhys. It’s a moderately difficult out-and-back that ends at a very hot (120°) pool and stream. A great hike to take with a dog in January — but the lack of cover would make it too hot most other times of year. The hot spring at the end is really cool, and to get far into it you need to do some scrambling through hot water, which is not at all good for a dog, so we stopped there.