By Tess Brunton of RNZ A proposal to run a floating sauna in a popular Te Anau reserve has gone up in steam in the face of public backlash. The plan was for people to sweat it out on a floating pontoon on Lake Henry with the option to finish with a cold plunge. Floating Sauna Limited first applied for a licence to occupy in Ivon Wilson Park under the Reserves Act back in 2024 - it was granted a resource consent in February. The Southland District Council spent hours discussing the many concerns residents raised at a meeting on Wednesday. In the busy tourist town of Te Anau, Diana Zadravec said Ivon Wilson Park was a welcome patch of tranquility "We really appreciate to have one space in town that is not commercialised, that is not predominantly for tourism," she said. She and others have been fighting to keep the floating sauna from setting up shop on the lake at its heart. "It's just the place you can go and just walk and have quiet and have peace, and it's just incredible.…