If you're looking for an "authentic" Native American sweat lodge then you'd best be willing to invest the time getting to know people, their culture and their ways. Even then you may never be invited to participate. Some of these activities are part of their religious beliefs and are not open to curious outsiders. Sorry but that's the case. I've never met a person of Native descent, regardless of tribal affiliation, that's looking for converts. That's definitely NOT what they're looking for.
That's all for now. Take care and until next time...Be well.
snapper