Try our Ganbanyoku Studio for a first time rate of $20! Ganbanyoku is a volcanic rock sauna heated to 40C. When heated the rock bed emits negative ions and infrared rays that deeply heat and detox the body. Take it to the next level with our Restorative Hot Rock Yoga. To book your first class special call us at (705) 293-2492. For our yoga class schedule visit: https://iwaspa.com/catalog_entries/yoga/. Just want to lay on the rocks? You can do that too! We make it easy to chill, rejuvenate, detoxify and energize.